Added Pre-Charge functionality and made thing prettier.

10 files changed, 999 insertions, 116 deletions

diff --git a/EVPC.pro b/EVPC.pro
index e85997b..74365c3 100644
--- a/EVPC.pro
+++ b/EVPC.pro
@@ -10,13 +10,17 @@ CONFIG += c++11
 
 SOURCES += \
     battery.cpp \
+    generator.cpp \
     main.cpp \
     mainwindow.cpp \
+    precharge.cpp \
     wire.cpp
 
 HEADERS += \
     battery.h \
+    generator.h \
     mainwindow.h \
+    precharge.h \
     wire.h
 
 FORMS += \
diff --git a/battery.cpp b/battery.cpp
index e0b7c26..d4a8ae7 100644
--- a/battery.cpp
+++ b/battery.cpp
@@ -4,6 +4,7 @@ Battery::Battery() :
     activeBattery(batteries[LiionPhosphate]),
     systemVoltage(0),
     peakPower(0),
+    minimumAllowableSOC(0),
     packDischargeRate(0),
     packChargeRate(0),
     packWeight(0),
@@ -26,6 +27,10 @@ void Battery::setPeakSystemPower(double power)
 {
     peakPower = power;
 }
+void Battery::setMinimumSOC(double SOC)
+{
+    minimumAllowableSOC = SOC;
+}
 
 void Battery::calculate()
 {
@@ -43,7 +48,8 @@ int Battery::parallelCells(void)
 
 float Battery::minimumPackVoltage(void)
 {
-    return seriesCells()*activeBattery.minimumVoltage;
+    float min = seriesCells()*activeBattery.minimumVoltage;
+    return (min) + (maximumPackVoltage()-min)*(minimumAllowableSOC*0.01);
 }
 
 float Battery::maximumPackVoltage(void)
diff --git a/battery.h b/battery.h
index 4c80917..cb2e1f6 100644
--- a/battery.h
+++ b/battery.h
@@ -40,6 +40,7 @@ public:
     void setSystemVoltage(double voltage);
     void setPeakSystemPower(double power);
     void changeBatteryChemistry(int name);
+    void setMinimumSOC(double SOC);
 
     int seriesCells(void);
     int parallelCells(void);
@@ -53,11 +54,11 @@ private:
     batteryData_t activeBattery;
     double systemVoltage;
     double peakPower;
+    double minimumAllowableSOC;
     float packDischargeRate;
     float packChargeRate;
     float packWeight;
     float packEnergy;
-
 signals:
     void calculation(void);
 
diff --git a/generator.cpp b/generator.cpp
new file mode 100644
index 0000000..07416b7
--- /dev/null
+++ b/generator.cpp
@@ -0,0 +1,27 @@
+#include "generator.h"
+
+Generator::Generator() :
+    RPM(0),
+    systemVoltage(0)
+{
+
+}
+
+void Generator::setRPM(double speed)
+{
+    RPM = speed;
+}
+void Generator::setSystemVoltage(double voltage)
+{
+    systemVoltage = voltage;
+}
+
+void Generator::calculate()
+{
+    emit calculation();
+}
+
+double Generator::generatorKV()
+{
+    return RPM/systemVoltage;
+}
diff --git a/generator.h b/generator.h
new file mode 100644
index 0000000..0aad560
--- /dev/null
+++ b/generator.h
@@ -0,0 +1,26 @@
+#ifndef GENERATOR_H
+#define GENERATOR_H
+
+#include <QObject>
+
+class Generator : public QObject
+{
+    Q_OBJECT
+public:
+     Generator();
+
+     void setRPM(double speed);
+     void setSystemVoltage(double voltage);
+
+     double generatorKV(void);
+public slots:
+     void calculate(void);
+private:
+     double RPM;
+     double systemVoltage;
+signals:
+     void calculation(void);
+
+};
+
+#endif // GENERATOR_H
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 62702cd..8559778 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -6,6 +6,7 @@ MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
 {
+    /*TODO fix crash after changing Voltage!!!! */
     ui->setupUi(this);
     initializeGraphics();
 
@@ -19,6 +20,146 @@ MainWindow::MainWindow(QWidget *parent)
         ui->lineEditVoltageRange->setText(QString::number(m_battery.minimumPackVoltage())+" - "+QString::number(m_battery.maximumPackVoltage()));
         ui->lineEditPeakCurrent->setText(QString::number(m_battery.peakCurrent()));
     });
+
+    connect(&m_generator,&Generator::calculation, [&]() {
+        ui->lineEditGeneratorKV->setText(QString::number(m_generator.generatorKV()));
+    });
+
+    connect(&m_precharge,&Precharge::calculation, [&]() {
+        ui->lineEditMaximumPrechargeResistance->setText(QString::number(m_precharge.maximumResistance()));
+        ui->lineEditActualPreChargeTime->setText(QString::number(m_precharge.actualPreChargeTime()));
+        ui->lineEditPeakInRushCurrent->setText(QString::number(m_precharge.peakInRushCurrent()));
+        ui->lineEditAveragePreChargePower->setText(QString::number(m_precharge.averagePower()));
+    });
+
+    connect(ui->doubleSpinBoxPreChargePercentageDesired,static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), [=]() {
+        ui->lineEditActualPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditAveragePreChargePower->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditMaximumPrechargeResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditPeakInRushCurrent->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelActualPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelAveragePreChargePower->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelMaxResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPeakInRushCurrent->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->doubleSpinBoxChosenResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargePercentageDesired->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxSystemCapacitance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelChosenResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPreChargePercentageDesired->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelDesiredPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelSystemCapacitance->setStyleSheet("color: rgb(0, 0, 0);");
+
+    });
+
+    connect(ui->doubleSpinBoxSystemCapacitance,static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), [=]() {
+        ui->lineEditActualPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditAveragePreChargePower->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditMaximumPrechargeResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditPeakInRushCurrent->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelActualPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelAveragePreChargePower->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelMaxResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPeakInRushCurrent->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->labelActualPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelAveragePreChargePower->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelMaxResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPeakInRushCurrent->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->doubleSpinBoxChosenResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargePercentageDesired->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxSystemCapacitance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelChosenResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPreChargePercentageDesired->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelDesiredPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelSystemCapacitance->setStyleSheet("color: rgb(0, 0, 0);");
+
+    });
+
+    connect(ui->doubleSpinBoxPreChargeTime,static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), [=]() {
+        ui->lineEditActualPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditAveragePreChargePower->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditMaximumPrechargeResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditPeakInRushCurrent->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelActualPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelAveragePreChargePower->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelMaxResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPeakInRushCurrent->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->doubleSpinBoxChosenResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargePercentageDesired->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxSystemCapacitance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelChosenResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPreChargePercentageDesired->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelDesiredPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelSystemCapacitance->setStyleSheet("color: rgb(0, 0, 0);");
+
+    });
+
+    connect(ui->doubleSpinBoxChosenResistance,static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), [=]() {
+        ui->lineEditActualPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditAveragePreChargePower->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditMaximumPrechargeResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->lineEditPeakInRushCurrent->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelActualPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelAveragePreChargePower->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelMaxResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPeakInRushCurrent->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->doubleSpinBoxChosenResistance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargePercentageDesired->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxPreChargeTime->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->doubleSpinBoxSystemCapacitance->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+
+        ui->labelChosenResistance->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelPreChargePercentageDesired->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelDesiredPreChargeTime->setStyleSheet("color: rgb(0, 0, 0);");
+        ui->labelSystemCapacitance->setStyleSheet("color: rgb(0, 0, 0);");
+
+    });
 }
 
 MainWindow::~MainWindow()
@@ -65,6 +206,8 @@ void MainWindow::on_doubleSpinBoxSystemVoltage_valueChanged(double arg1)
     //m_wire.calculate();
     m_battery.setSystemVoltage(arg1);
     m_battery.calculate();
+    m_generator.setSystemVoltage(arg1);
+    m_generator.calculate();
 }
 
 
@@ -77,7 +220,95 @@ void MainWindow::on_doubleSpinBoxEstimatedWireLength_valueChanged(double arg1)
 
 void MainWindow::on_lineEditVoltageRange_textChanged(const QString &arg1)
 {
-    m_wire.setSystemVoltage((arg1.split(" -")[0]).toDouble());
+    double min = arg1.split(" - ")[0].toDouble();
+    double max = arg1.split(" - ")[1].toDouble();
+
+    m_wire.setSystemVoltage(min);
     m_wire.calculate();
+
+    m_precharge.setMaximumVoltage(max);
+    m_precharge.calculate();
+}
+
+
+void MainWindow::on_doubleSpinBoxMinimumAllowableSOC_valueChanged(double arg1)
+{
+    m_battery.setMinimumSOC(arg1);
+    m_battery.calculate();
+    if (arg1 > 0)
+    {
+        ui->doubleSpinBoxMinimumAllowableSOC->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->labelMinimumAllowableSOC->setStyleSheet("color: rgb(0, 0, 0);");
+    }
+    else
+    {
+        ui->doubleSpinBoxMinimumAllowableSOC->setStyleSheet("background-color: rgba(255, 255, 255, 80);"
+                                                            "color: rgba(0, 0, 0, 80);");
+        ui->labelMinimumAllowableSOC->setStyleSheet("color: rgba(0, 0, 0, 120);");
+    }
+}
+
+
+void MainWindow::on_doubleSpinBoxGeneratorRPM_valueChanged(double arg1)
+{
+    m_generator.setRPM(arg1);
+    m_generator.calculate();
+    if (arg1 > 0)
+    {
+        ui->doubleSpinBoxGeneratorRPM->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->labelGeneratorRPM->setStyleSheet("color: rgb(0, 0, 0);");
+
+        ui->lineEditGeneratorKV->setStyleSheet("background-color: rgb(255, 255, 255);"
+                                                            "color: rgb(0, 0, 0);");
+        ui->labelGeneratorKV->setStyleSheet("color: rgb(0, 0, 0);");
+    }
+    else
+    {
+        ui->doubleSpinBoxGeneratorRPM->setStyleSheet("background-color: rgba(255, 255, 255, 80);"
+                                                            "color: rgba(0, 0, 0, 80);");
+        ui->labelGeneratorRPM->setStyleSheet("color: rgba(0, 0, 0, 120);");
+
+        ui->lineEditGeneratorKV->setStyleSheet("background-color: rgba(255, 255, 255, 80);"
+                                                            "color: rgba(0, 0, 0, 80);");
+        ui->labelGeneratorKV->setStyleSheet("color: rgba(0, 0, 0, 120);");
+        ui->lineEditGeneratorKV->setText("--");
+    }
+}
+
+
+void MainWindow::on_doubleSpinBoxPreChargeTime_valueChanged(double arg1)
+{
+    m_precharge.setPreChargeTime(arg1);
+    m_precharge.calculate();
+}
+
+
+void MainWindow::on_doubleSpinBoxSystemCapacitance_valueChanged(double arg1)
+{
+    m_precharge.setSystemCapacitance(arg1);
+    m_precharge.calculate();
+}
+
+
+void MainWindow::on_doubleSpinBoxPreChargePercentageDesired_valueChanged(double arg1)
+{
+    m_precharge.setPreChargePercentage(arg1);
+    m_precharge.calculate();
+}
+
+
+void MainWindow::on_doubleSpinBoxChosenResistance_valueChanged(double arg1)
+{
+    m_precharge.setChosenResistance(arg1);
+    m_precharge.calculate();
+}
+
+
+void MainWindow::on_lineEditMaximumPrechargeResistance_textChanged(const QString &arg1)
+{
+    ui->doubleSpinBoxChosenResistance->setMaximum(arg1.toDouble());
+    if(ui->doubleSpinBoxChosenResistance->value() > arg1.toDouble()) ui->doubleSpinBoxChosenResistance->setValue(arg1.toDouble());
 }
 
diff --git a/mainwindow.h b/mainwindow.h
index f7f0b00..f8ce84e 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -5,8 +5,11 @@
 #include <QSettings>
 #include <QString>
 #include <QComboBox>
+#include <QDoubleSpinBox>
 #include "battery.h"
 #include "wire.h"
+#include "generator.h"
+#include "precharge.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -19,6 +22,14 @@ class MainWindow : public QMainWindow
 public:
     MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
+private:
+    Battery m_battery;
+    Wire m_wire;
+    Generator m_generator;
+    Precharge m_precharge;
+
+    Ui::MainWindow *ui;
+    void initializeGraphics(void);
 
 private slots:
     void on_spinBoxPeakSystemPower_valueChanged(double arg1);
@@ -35,11 +46,17 @@ private slots:
 
     void on_lineEditVoltageRange_textChanged(const QString &arg1);
 
-private:
-    Battery m_battery;
-    Wire m_wire;
+    void on_doubleSpinBoxMinimumAllowableSOC_valueChanged(double arg1);
 
-    Ui::MainWindow *ui;
-    void initializeGraphics(void);
+    void on_doubleSpinBoxGeneratorRPM_valueChanged(double arg1);
+
+    void on_doubleSpinBoxPreChargeTime_valueChanged(double arg1);
+
+    void on_doubleSpinBoxSystemCapacitance_valueChanged(double arg1);
+
+    void on_doubleSpinBoxPreChargePercentageDesired_valueChanged(double arg1);
+
+    void on_doubleSpinBoxChosenResistance_valueChanged(double arg1);
+    void on_lineEditMaximumPrechargeResistance_textChanged(const QString &arg1);
 };
 #endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
index 5f0a180..4c47a92 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -6,16 +6,28 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>800</width>
-    <height>600</height>
+    <width>1100</width>
+    <height>900</height>
    </rect>
   </property>
-  <property name="maximumSize">
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
    <size>
-    <width>800</width>
+    <width>0</width>
     <height>600</height>
    </size>
   </property>
+  <property name="maximumSize">
+   <size>
+    <width>1100</width>
+    <height>900</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>Electric Vehicle Parameter Calculator</string>
   </property>
@@ -41,17 +53,41 @@
    </property>
    <property name="maximumSize">
     <size>
-     <width>800</width>
-     <height>545</height>
+     <width>1100</width>
+     <height>845</height>
     </size>
    </property>
    <layout class="QGridLayout" name="gridLayout">
     <item row="0" column="0">
      <widget class="QTabWidget" name="tabWidget">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>600</height>
+       </size>
+      </property>
       <property name="currentIndex">
        <number>0</number>
       </property>
       <widget class="QWidget" name="tabData">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>600</height>
+        </size>
+       </property>
        <property name="toolTipDuration">
         <number>-1</number>
        </property>
@@ -62,7 +98,7 @@
         <string>Data</string>
        </attribute>
        <layout class="QGridLayout" name="gridLayout_2">
-        <item row="0" column="1" rowspan="2">
+        <item row="0" column="2" rowspan="2">
          <widget class="QGroupBox" name="groupElectricalOutputs">
           <property name="toolTipDuration">
            <number>-1</number>
@@ -96,14 +132,25 @@
              </property>
             </widget>
            </item>
-           <item row="3" column="1">
-            <widget class="QLineEdit" name="lineEditWireGauge">
+           <item row="1" column="0">
+            <widget class="QLabel" name="labelVoltageRange">
+             <property name="text">
+              <string>Voltage Range:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="9" column="1">
+            <widget class="QLineEdit" name="lineEditActualPreChargeTime">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
              </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
@@ -112,41 +159,42 @@
              </property>
             </widget>
            </item>
-           <item row="7" column="0">
-            <spacer name="verticalSpacer">
-             <property name="orientation">
-              <enum>Qt::Vertical</enum>
+           <item row="11" column="0">
+            <widget class="QLabel" name="labelAveragePreChargePower">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
              </property>
-             <property name="sizeHint" stdset="0">
-              <size>
-               <width>20</width>
-               <height>40</height>
-              </size>
+             <property name="text">
+              <string>Average PreCharge Power:</string>
              </property>
-            </spacer>
+            </widget>
            </item>
-           <item row="5" column="0">
+           <item row="6" column="0">
             <widget class="QLabel" name="labelFuelAmount">
              <property name="text">
               <string>Fuel Quantity:</string>
              </property>
             </widget>
            </item>
-           <item row="3" column="0">
-            <widget class="QLabel" name="labelWireGauge">
+           <item row="4" column="0">
+            <widget class="QLabel" name="labelWireWeight">
              <property name="text">
-              <string>Wire Gauge:</string>
+              <string>Wire Weight:</string>
              </property>
             </widget>
            </item>
-           <item row="4" column="1">
-            <widget class="QLineEdit" name="lineEditWireWeight">
+           <item row="10" column="1">
+            <widget class="QLineEdit" name="lineEditPeakInRushCurrent">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
              </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
@@ -162,28 +210,158 @@
              </property>
             </widget>
            </item>
-           <item row="5" column="1">
-            <widget class="QLineEdit" name="lineEditFuelAmount">
+           <item row="3" column="1">
+            <widget class="QLineEdit" name="lineEditWireGauge">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
              </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
              <property name="readOnly">
               <bool>true</bool>
              </property>
             </widget>
            </item>
-           <item row="4" column="0">
-            <widget class="QLabel" name="labelWireWeight">
+           <item row="5" column="0">
+            <widget class="QLabel" name="labelGeneratorKV">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
              <property name="text">
-              <string>Wire Weight:</string>
+              <string>Generator KV:</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="1">
-            <widget class="QLineEdit" name="lineEditCellCount">
+           <item row="11" column="1">
+            <widget class="QLineEdit" name="lineEditAveragePreChargePower">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="1">
+            <widget class="QLineEdit" name="lineEditWireWeight">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1">
+            <widget class="QLineEdit" name="lineEditVoltageRange">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text">
+              <string>0 - 0</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="8" column="0">
+            <widget class="QLabel" name="labelMaxResistance">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
+             <property name="text">
+              <string>Maximum Resistance:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="12" column="0">
+            <spacer name="verticalSpacer">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeType">
+              <enum>QSizePolicy::Expanding</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item row="8" column="1">
+            <widget class="QLineEdit" name="lineEditMaximumPrechargeResistance">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="1">
+            <widget class="QLineEdit" name="lineEditGeneratorKV">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="text">
+              <string>--</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="1">
+            <widget class="QLineEdit" name="lineEditFuelAmount">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                <horstretch>0</horstretch>
@@ -198,6 +376,16 @@
              </property>
             </widget>
            </item>
+           <item row="9" column="0">
+            <widget class="QLabel" name="labelActualPreChargeTime">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
+             <property name="text">
+              <string>Actual Pre-Charge Time:</string>
+             </property>
+            </widget>
+           </item>
            <item row="2" column="0">
             <widget class="QLabel" name="labelPeakCurrent">
              <property name="toolTip">
@@ -214,15 +402,25 @@
              </property>
             </widget>
            </item>
-           <item row="1" column="0">
-            <widget class="QLabel" name="labelVoltageRange">
+           <item row="3" column="0">
+            <widget class="QLabel" name="labelWireGauge">
              <property name="text">
-              <string>Voltage Range:</string>
+              <string>Wire Gauge:</string>
              </property>
             </widget>
            </item>
-           <item row="1" column="1">
-            <widget class="QLineEdit" name="lineEditVoltageRange">
+           <item row="10" column="0">
+            <widget class="QLabel" name="labelPeakInRushCurrent">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
+             <property name="text">
+              <string>Peak Inrush Current:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1">
+            <widget class="QLineEdit" name="lineEditCellCount">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                <horstretch>0</horstretch>
@@ -237,10 +435,123 @@
              </property>
             </widget>
            </item>
+           <item row="7" column="0" colspan="2">
+            <widget class="QLabel" name="labelPreChargeDivider_2">
+             <property name="styleSheet">
+              <string notr="true">font: 10pt;
+color: rgb(0, 0, 0);</string>
+             </property>
+             <property name="text">
+              <string>Pre-Charge Circuit</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item row="0" column="1" rowspan="2">
+         <widget class="QGroupBox" name="groupBoxMechanical">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="title">
+           <string>Mechanical Inputs</string>
+          </property>
+          <layout class="QGridLayout" name="gridLayout_5">
+           <item row="2" column="0">
+            <widget class="QLabel" name="labelRunTime">
+             <property name="text">
+              <string>Run Time:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="0">
+            <widget class="QLabel" name="labelEnginePowerSource">
+             <property name="frameShape">
+              <enum>QFrame::NoFrame</enum>
+             </property>
+             <property name="text">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Engine/Power Source:&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxRunTime">
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="showGroupSeparator" stdset="0">
+              <bool>false</bool>
+             </property>
+             <property name="decimals">
+              <number>2</number>
+             </property>
+             <property name="maximum">
+              <double>96.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>8.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxVehicleWeight">
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="decimals">
+              <number>1</number>
+             </property>
+             <property name="maximum">
+              <double>1000.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>100.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1">
+            <widget class="QComboBox" name="comboBoxEnginePowerSource"/>
+           </item>
+           <item row="0" column="0">
+            <widget class="QLabel" name="labelVehicleWeight">
+             <property name="text">
+              <string>Vehicle Weight:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="0">
+            <spacer name="verticalSpacer_3">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeType">
+              <enum>QSizePolicy::Expanding</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
           </layout>
          </widget>
         </item>
-        <item row="0" column="0">
+        <item row="0" column="0" rowspan="2">
          <widget class="QGroupBox" name="groupElectricalInputs">
           <property name="sizePolicy">
            <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
@@ -270,10 +581,45 @@
            <property name="verticalSpacing">
             <number>0</number>
            </property>
-           <item row="1" column="0">
-            <widget class="QLabel" name="labelSystemVoltage">
+           <item row="7" column="0" colspan="2">
+            <widget class="QLabel" name="labelPreChargeDivider">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">font: 10pt;
+color: rgb(0, 0, 0);</string>
+             </property>
              <property name="text">
-              <string>System Voltage:</string>
+              <string>Pre-Charge Circuit</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignHCenter|Qt::AlignTop</set>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="1">
+            <widget class="QComboBox" name="comboBoxWireMaterial"/>
+           </item>
+           <item row="2" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxEstimatedWireLength">
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="decimals">
+              <number>1</number>
+             </property>
+             <property name="maximum">
+              <double>1000.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>0.000000000000000</double>
              </property>
             </widget>
            </item>
@@ -299,29 +645,18 @@
              </property>
             </widget>
            </item>
-           <item row="0" column="0">
-            <widget class="QLabel" name="labelPeakSystemPower">
-             <property name="text">
-              <string>Peak System Power:</string>
+           <item row="9" column="0">
+            <widget class="QLabel" name="labelSystemCapacitance">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
              </property>
-            </widget>
-           </item>
-           <item row="4" column="0">
-            <widget class="QLabel" name="labelWireMaterial">
              <property name="text">
-              <string>Wire Material:</string>
+              <string>System Capacitance (uF):</string>
              </property>
             </widget>
            </item>
-           <item row="3" column="1">
-            <widget class="QComboBox" name="comboBoxBatteryChemistry">
-             <property name="editable">
-              <bool>false</bool>
-             </property>
-            </widget>
-           </item>
-           <item row="2" column="1">
-            <widget class="QDoubleSpinBox" name="doubleSpinBoxEstimatedWireLength">
+           <item row="1" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxSystemVoltage">
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
@@ -339,11 +674,12 @@
              </property>
             </widget>
            </item>
-           <item row="4" column="1">
-            <widget class="QComboBox" name="comboBoxWireMaterial"/>
-           </item>
-           <item row="1" column="1">
-            <widget class="QDoubleSpinBox" name="doubleSpinBoxSystemVoltage">
+           <item row="3" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxMinimumAllowableSOC">
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
@@ -354,45 +690,47 @@
               <number>1</number>
              </property>
              <property name="maximum">
-              <double>1000.000000000000000</double>
+              <double>100.000000000000000</double>
              </property>
-             <property name="value">
-              <double>0.000000000000000</double>
+            </widget>
+           </item>
+           <item row="1" column="0">
+            <widget class="QLabel" name="labelSystemVoltage">
+             <property name="text">
+              <string>Nominal Voltage:</string>
              </property>
             </widget>
            </item>
-           <item row="2" column="0">
-            <widget class="QLabel" name="labelEstimatedWireLength">
+           <item row="0" column="0">
+            <widget class="QLabel" name="labelPeakSystemPower">
              <property name="text">
-              <string>Estimated Wire Length:</string>
+              <string>Peak System Power:</string>
              </property>
             </widget>
            </item>
-           <item row="3" column="0">
-            <widget class="QLabel" name="labelBatteryChemistry">
+           <item row="10" column="0">
+            <widget class="QLabel" name="labelPreChargePercentageDesired">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
              <property name="text">
-              <string>Battery Chemistry:</string>
+              <string>Percentage Desired:</string>
              </property>
             </widget>
            </item>
-          </layout>
-         </widget>
-        </item>
-        <item row="1" column="0">
-         <widget class="QGroupBox" name="groupBoxMechanical">
-          <property name="title">
-           <string>Mechanical Inputs</string>
-          </property>
-          <layout class="QGridLayout" name="gridLayout_5">
-           <item row="0" column="0">
-            <widget class="QLabel" name="labelVehicleWeight">
+           <item row="5" column="0">
+            <widget class="QLabel" name="labelBatteryChemistry">
              <property name="text">
-              <string>Vehicle Weight:</string>
+              <string>Battery Chemistry:</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="1">
-            <widget class="QDoubleSpinBox" name="doubleSpinBoxVehicleWeight">
+           <item row="4" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxGeneratorRPM">
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
@@ -400,57 +738,190 @@
               <enum>QAbstractSpinBox::NoButtons</enum>
              </property>
              <property name="decimals">
-              <number>1</number>
+              <number>0</number>
              </property>
              <property name="maximum">
-              <double>1000.000000000000000</double>
+              <double>100000.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="10" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxPreChargePercentageDesired">
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="minimum">
+              <double>0.010000000000000</double>
+             </property>
+             <property name="maximum">
+              <double>99.989999999999995</double>
              </property>
              <property name="value">
-              <double>100.000000000000000</double>
+              <double>0.010000000000000</double>
              </property>
             </widget>
            </item>
-           <item row="1" column="0">
-            <widget class="QLabel" name="labelRunTime">
+           <item row="8" column="0">
+            <widget class="QLabel" name="labelDesiredPreChargeTime">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="contextMenuPolicy">
+              <enum>Qt::NoContextMenu</enum>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
              <property name="text">
-              <string>Run Time:</string>
+              <string>Desired Pre-Charge Time:</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
              </property>
             </widget>
            </item>
-           <item row="1" column="1">
-            <widget class="QDoubleSpinBox" name="doubleSpinBoxRunTime">
+           <item row="2" column="0">
+            <widget class="QLabel" name="labelEstimatedWireLength">
+             <property name="text">
+              <string>Estimated Wire Length:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="12" column="0">
+            <spacer name="verticalSpacer_2">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item row="6" column="0">
+            <widget class="QLabel" name="labelWireMaterial">
+             <property name="text">
+              <string>Wire Material:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="1">
+            <widget class="QComboBox" name="comboBoxBatteryChemistry">
+             <property name="editable">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="9" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxSystemCapacitance">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
              <property name="alignment">
               <set>Qt::AlignCenter</set>
              </property>
              <property name="buttonSymbols">
               <enum>QAbstractSpinBox::NoButtons</enum>
              </property>
-             <property name="showGroupSeparator" stdset="0">
-              <bool>false</bool>
+             <property name="suffix">
+              <string extracomment="(uF)"/>
              </property>
              <property name="decimals">
-              <number>2</number>
+              <number>3</number>
              </property>
              <property name="maximum">
-              <double>96.000000000000000</double>
+              <double>10000.000000000000000</double>
              </property>
-             <property name="value">
-              <double>8.000000000000000</double>
+            </widget>
+           </item>
+           <item row="4" column="0">
+            <widget class="QLabel" name="labelGeneratorRPM">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
+             <property name="text">
+              <string>Generator RPM:</string>
              </property>
             </widget>
            </item>
-           <item row="2" column="0">
-            <widget class="QLabel" name="labelEnginePowerSource">
-             <property name="frameShape">
-              <enum>QFrame::NoFrame</enum>
+           <item row="3" column="0">
+            <widget class="QLabel" name="labelMinimumAllowableSOC">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
              </property>
              <property name="text">
-              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Engine/Power Source:&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+              <string>Minimum Allowable SOC:</string>
              </property>
             </widget>
            </item>
-           <item row="2" column="1">
-            <widget class="QComboBox" name="comboBoxEnginePowerSource"/>
+           <item row="8" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxPreChargeTime">
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="maximum">
+              <double>60.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="11" column="0">
+            <widget class="QLabel" name="labelChosenResistance">
+             <property name="styleSheet">
+              <string notr="true">color: rgba(0, 0, 0, 120);</string>
+             </property>
+             <property name="text">
+              <string>Chosen Resistance:</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+             </property>
+            </widget>
+           </item>
+           <item row="11" column="1">
+            <widget class="QDoubleSpinBox" name="doubleSpinBoxChosenResistance">
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(255, 255, 255,80);
+color: rgba(0, 0, 0,80);</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+             <property name="maximum">
+              <double>10000.000000000000000</double>
+             </property>
+            </widget>
            </item>
           </layout>
          </widget>
diff --git a/precharge.cpp b/precharge.cpp
new file mode 100644
index 0000000..e19820b
--- /dev/null
+++ b/precharge.cpp
@@ -0,0 +1,62 @@
+#include "precharge.h"
+#include "QDebug"
+
+Precharge::Precharge() :
+    maximumVoltage(0),
+    preChargeTime(0),
+    preChargePercentage(100),
+    chosenResistance(0),
+    systemCapacitance(0)
+{
+
+}
+
+void Precharge::setMaximumVoltage(double voltage)
+{
+    maximumVoltage = voltage;
+}
+void Precharge::setPreChargeTime(double time)
+{
+    preChargeTime = time;
+}
+void Precharge::setPreChargePercentage(double percentage)
+{
+    preChargePercentage = percentage;
+}
+void Precharge::setSystemCapacitance(float capacitance)
+{
+    systemCapacitance = capacitance*std::pow(10,-6); //uF
+    qDebug() << systemCapacitance;
+}
+
+void Precharge::setChosenResistance(double resistance)
+{
+    chosenResistance = resistance;
+}
+
+void Precharge::calculate()
+{
+    emit calculation();
+}
+
+double Precharge::maximumResistance(void)
+{
+    return preChargeTime/(-std::log(1-(preChargePercentage*0.01))*systemCapacitance);
+}
+
+double Precharge::actualPreChargeTime(void)
+{
+    return (-std::log(1-(preChargePercentage*0.01)))*chosenResistance*systemCapacitance;
+}
+
+double Precharge::peakInRushCurrent(void)
+{
+    return maximumVoltage/chosenResistance;
+}
+
+double Precharge::averagePower(void)
+{
+    return (((systemCapacitance*std::pow(maximumVoltage,2))/2)*(1-exp((-2*actualPreChargeTime())/(chosenResistance*systemCapacitance))))/actualPreChargeTime();
+}
+
+
diff --git a/precharge.h b/precharge.h
new file mode 100644
index 0000000..376b067
--- /dev/null
+++ b/precharge.h
@@ -0,0 +1,38 @@
+#ifndef PRECHARGE_H
+#define PRECHARGE_H
+
+#include <QObject>
+#include <QtMath>
+
+class Precharge : public QObject
+{
+    Q_OBJECT
+public:
+     Precharge();
+
+     void setMaximumVoltage(double voltage);
+     void setPreChargeTime(double time);
+     void setPreChargePercentage(double percentage);
+     void setSystemCapacitance(float capacitance);
+     void setChosenResistance(double resistance);
+
+     double maximumResistance(void);
+     double actualPreChargeTime(void);
+     double peakInRushCurrent(void);
+     double averagePower(void);
+public slots:
+     void calculate(void);
+
+private:
+     double maximumVoltage;
+     double preChargeTime;
+     double preChargePercentage;
+     double chosenResistance;
+     float systemCapacitance;
+
+signals:
+     void calculation(void);
+
+};
+
+#endif // PRECHARGE_H