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WOLFRAM SYSTEM MODELER

ThreePhaseTransformerWithRectifier

Three-phase transformer (including hysteresis effect) with rectifier

Diagram

Wolfram Language

In[1]:=

SystemModel["Modelica.Magnetic.FluxTubes.Examples.Hysteresis.ThreePhaseTransformerWithRectifier"]

Out[1]:=

Information

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

This is a model of a three-phase transformer and rectifier unit using the Transformer3PhaseYyWithHysteresis model. Use the following simulation settings:

Stop time: 0.2 s
Number of intervals: 5000
Tolerance: 1e-6

An example simulation shows the transformer inrush currents due to an initially magnetized transformer core.

**Fig. 1:** Transformer inrush currents due to initial magnetization of the magnetic core; (a) transformer primary currents; (b) transformer secondary currents; (c) flux densities of the transformer legs; (d) B(H) hysteresis loops of transformer leg one.; (e) instantaneous static hysteresis, eddy current and copper losses of the transformer; (f) approximated average static hysteresis, eddy current and copper losses of the transformer

Components (27)

	ground1	Type: Ground Description: Ground node
	ground2	Type: Ground Description: Ground node
	vSource1	Type: SineVoltage Description: Sine voltage source
	transformer	Type: Transformer3PhaseYyWithHysteresis Description: Three-phase transformer in Yy configuration
	vSource2	Type: SineVoltage Description: Sine voltage source
	vSource3	Type: SineVoltage Description: Sine voltage source
	resistor1	Type: Resistor Description: Ideal linear electrical resistor
	resistor2	Type: Resistor Description: Ideal linear electrical resistor
	resistor3	Type: Resistor Description: Ideal linear electrical resistor
	diode1	Type: IdealDiode Description: Ideal diode
	diode2	Type: IdealDiode Description: Ideal diode
	resistorL	Type: Resistor Description: Ideal linear electrical resistor
	diode3	Type: IdealDiode Description: Ideal diode
	diode4	Type: IdealDiode Description: Ideal diode
	diode5	Type: IdealDiode Description: Ideal diode
	diode6	Type: IdealDiode Description: Ideal diode
	capacitor1	Type: Capacitor Description: Ideal linear electrical capacitor
	inductor1	Type: Inductor Description: Ideal linear electrical inductor
	inductor2	Type: Inductor Description: Ideal linear electrical inductor
	inductor3	Type: Inductor Description: Ideal linear electrical inductor
	capacitor2	Type: Capacitor Description: Ideal linear electrical capacitor
	rExp1	Type: RealExpression Description: Set output signal to a time varying Real expression
	rExp2	Type: RealExpression Description: Set output signal to a time varying Real expression
	rExp3	Type: RealExpression Description: Set output signal to a time varying Real expression
	pdissStatAvg	Type: Filter Description: Approx. average static hysteresis losses
	pdissEddyAvg	Type: Filter Description: Approx. average eddy current losses
	pdissCopAvg	Type: Filter Description: Approx. average copper losses