WOLFRAM SYSTEM MODELER

ChopperStepDown

Step down chopper including control

Diagram

Wolfram Language

In[1]:=
SystemModel["Modelica.Electrical.PowerConverters.Examples.DCDC.ExampleTemplates.ChopperStepDown"]
Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Step down chopper example template including supply and sensors; load is not yet included

Parameters (8)

f

Value: 1000

Type: Frequency (Hz)

Description: Switching frequency

Vsource

Value: 60

Type: Voltage (V)

Description: Source voltage

L

Value: 25e-3

Type: Inductance (H)

Description: Source inductance

C

Value: 20e-6

Type: Capacitance (F)

Description: Smoothing capacitance

dutyCycle

Value: 0.20

Type: Real

Description: Duty cycle

ILoad

Value: 1.2

Type: Current (A)

Description: Load current

RLoad

Value: V0 / ILoad

Type: Resistance (Ω)

Description: Load resistance

V0

Value: Vsource * dutyCycle

Type: Voltage (V)

Description: No-load output voltage

Components (10)

constantVoltage

Type: ConstantVoltage

Description: Source for constant voltage

chopperStepDown

Type: ChopperStepDown

Description: Step down chopper

currentSensor

Type: CurrentSensor

Description: Sensor to measure the current in a branch

voltageSensor

Type: VoltageSensor

Description: Sensor to measure the voltage between two pins

ground

Type: Ground

Description: Ground node

signalPWM

Type: SignalPWM

Description: Generates a pulse width modulated (PWM) boolean fire signal

meanCurrent

Type: Mean

Description: Calculate mean over period 1/f

meanVoltage

Type: Mean

Description: Calculate mean over period 1/f

inductor

Type: Inductor

Description: Ideal linear electrical inductor

capacitor

Type: Capacitor

Description: Ideal linear electrical capacitor

Extended by (2)

ChopperStepDown_RL

Modelica.Electrical.PowerConverters.Examples.DCDC.ChopperStepDown

Step down chopper with R-L load

ChopperStepDown_R

Modelica.Electrical.PowerConverters.Examples.DCDC.ChopperStepDown

Step down chopper with resistive load