WOLFRAM SYSTEMMODELER

ChopperStepDown

Step down chopper

Diagram

Wolfram Language

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SystemModel["Modelica.Electrical.PowerConverters.DCDC.ChopperStepDown"]
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Information

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

This is a conventional step down chopper model. It consists of a transistor and free wheeling diode.

Connectors (7)

dc_p1

Type: PositivePin

Description: Positive DC input

dc_n1

Type: NegativePin

Description: Negative DC input

dc_p2

Type: PositivePin

Description: Positive DC output

dc_n2

Type: NegativePin

Description: Negative DC output

heatPort

Type: HeatPort_a

Description: Conditional heat port

enable

Type: BooleanInput

Description: Enables fire and notFire

fire_p

Type: BooleanInput

Description: Firing signal of positive potential transistor

Parameters (11)

useHeatPort

Value: false

Type: Boolean

Description: =true, if heatPort is enabled

T

Value: 293.15

Type: Temperature (K)

Description: Fixed device temperature if useHeatPort = false

useConstantEnable

Value: true

Type: Boolean

Description: true = disabled boolean input, use constantEnable

constantEnable

Value: true

Type: Boolean

Description: Constant enabling of firing signals

m

Value: 1

Type: Integer

Description: Number of phases

RonTransistor

Value: 1e-05

Type: Resistance (Ω)

Description: Transistor closed resistance

GoffTransistor

Value: 1e-05

Type: Conductance (S)

Description: Transistor opened conductance

VkneeTransistor

Value: 0

Type: Voltage (V)

Description: Transistor threshold voltage

RonDiode

Value: 1e-05

Type: Resistance (Ω)

Description: Closed diode resistance

GoffDiode

Value: 1e-05

Type: Conductance (S)

Description: Opened diode conductance

VkneeDiode

Value: 0

Type: Voltage (V)

Description: Diode forward threshold voltage

Components (4)

enableLogic

Type: EnableLogic

Description: Enabling logic

andCondition_p

Type: And

Description: And condition for positive firing signal

transistor

Type: IdealGTOThyristor

Description: Switching transistor

diode

Type: IdealDiode

Description: Free wheeling diode

Used in Examples (3)

ChopperStepDown_R

Step down chopper with resistive load

ChopperStepDown_RL

Step down chopper with R-L load

ChopperStepDown

Step down chopper including control