PVSystems.Electrical.Assemblies

Electrical assemblies useful in PV and power electronics

Information

Extends from PVSystems.Icons.AssembliesPackage (Icon for packages of assemblies).

Package Content

Name	Description
HBridge	Basic ideal H-bridge topology (averaged)
HBridgeSwitched	Basic ideal H-bridge topology (switched)
BidirectionalBuckBoost	Bidirectional Buck Boost converter
CPMBidirectionalBuckBoost	Bidirectional Buck Boost for battery USB interface

PVSystems.Electrical.Assemblies.HBridge

Basic ideal H-bridge topology (averaged)

PVSystems.Electrical.Assemblies.HBridge

Information

This model further composes IdealAverageCCMSwitch to form a typical H-bridge configuration from which a 1-phase inverter can be constructed. This model is based in averaged switch models.

Extends from Interfaces.TwoPort (Common interface for power converters with two ports), PVSystems.Icons.ConverterIcon (Icon for power converter models).

Parameters

Type	Name	Default	Description
replaceable model SwitchModel		CCM1

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
input RealInput	d
replaceable model SwitchModel

Modelica definition

model HBridge "Basic ideal H-bridge topology (averaged)" extends Interfaces.TwoPort; extends PVSystems.Icons.ConverterIcon; Modelica.Blocks.Interfaces.RealInput d; replaceable model SwitchModel = CCM1 constrainedby Interfaces.SwitchNetworkInterface; SwitchModel s1; SwitchModel s2; equation connect(s1.p1, p1); connect(s1.n1, p2); connect(s2.n1, n1); connect(s2.p1, n2); connect(s1.n2, n1); connect(d, s2.d); connect(d, s1.d); connect(s2.p2, p1); connect(s1.p2, p2); connect(s2.n2, n2); end HBridge;

PVSystems.Electrical.Assemblies.HBridgeSwitched

Basic ideal H-bridge topology (switched)

PVSystems.Electrical.Assemblies.HBridgeSwitched

Information

This model further composes IdealTwoLevelBranch to form a typical H-bridge configuration from which a 1-phase inverter can be constructed. This model is based on discrete switch models.

Extends from Interfaces.TwoPort (Common interface for power converters with two ports), PVSystems.Icons.ConverterIcon (Icon for power converter models).

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
input BooleanInput	c1
input BooleanInput	c2

Modelica definition

model HBridgeSwitched "Basic ideal H-bridge topology (switched)" extends Interfaces.TwoPort; extends PVSystems.Icons.ConverterIcon; Modelica.Blocks.Interfaces.BooleanInput c1; Modelica.Blocks.Interfaces.BooleanInput c2; IdealCBSwitch idealCBSwitch; IdealCBSwitch idealCBSwitch1; IdealCBSwitch idealCBSwitch2; IdealCBSwitch idealCBSwitch3; equation connect(c1, idealCBSwitch.c); connect(c1, idealCBSwitch3.c); connect(c2, idealCBSwitch2.c); connect(c2, idealCBSwitch1.c); connect(p1, idealCBSwitch2.p); connect(idealCBSwitch.p, idealCBSwitch2.p); connect(idealCBSwitch1.p, idealCBSwitch.n); connect(idealCBSwitch2.n, idealCBSwitch3.p); connect(n1, idealCBSwitch1.n); connect(idealCBSwitch3.n, idealCBSwitch1.n); connect(n2, idealCBSwitch3.p); connect(p2, idealCBSwitch.n); end HBridgeSwitched;

PVSystems.Electrical.Assemblies.BidirectionalBuckBoost

Bidirectional Buck Boost converter

PVSystems.Electrical.Assemblies.BidirectionalBuckBoost

Information

Bidirectional buck boost converter

Extends from Interfaces.TwoPort (Common interface for power converters with two ports), PVSystems.Icons.ConverterIcon (Icon for power converter models).

Parameters

Type	Name	Default	Description
replaceable model SwitchModel		CCM1
Power stage
Capacitance	Cin		Input capacitance [F]
Resistance	Rcin		Series resistance of input capacitor [Ohm]
Capacitance	Cout		Output capacitance [F]
Resistance	Rcout		Series resistance of output capacitor [Ohm]
Inductance	L		Inductance [H]
Resistance	RL		Series resistance of inductor [Ohm]
Initialization
Voltage	vCin_ini	0	Guess for initial voltage of Cin [V]
Voltage	vCout_ini	0	Guess for initial voltage of Cout [V]
Current	iL_ini	0	Guess for initial current of L [A]
Switches
Real	dmax	1	Maximum duty cycle [1]
Real	dmin	1e-3	Minimum duty cycle [1]

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
replaceable model SwitchModel
input RealInput	dbuck	Buck control voltage
input RealInput	dboost	Boost control voltage

Modelica definition

model BidirectionalBuckBoost "Bidirectional Buck Boost converter" extends Interfaces.TwoPort; extends PVSystems.Icons.ConverterIcon; parameter Modelica.SIunits.Capacitance Cin "Input capacitance"; parameter Modelica.SIunits.Resistance Rcin "Series resistance of input capacitor"; parameter Modelica.SIunits.Capacitance Cout "Output capacitance"; parameter Modelica.SIunits.Resistance Rcout "Series resistance of output capacitor"; parameter Modelica.SIunits.Inductance L "Inductance"; parameter Modelica.SIunits.Resistance RL "Series resistance of inductor"; parameter Modelica.SIunits.Voltage vCin_ini=0 "Guess for initial voltage of Cin"; parameter Modelica.SIunits.Voltage vCout_ini=0 "Guess for initial voltage of Cout"; parameter Modelica.SIunits.Current iL_ini=0 "Guess for initial current of L"; parameter Real dmax(final unit="1") = 1 "Maximum duty cycle"; parameter Real dmin(final unit="1") = 1e-3 "Minimum duty cycle"; Modelica.Electrical.Analog.Basic.Capacitor outCap(C=Cout, v(start=vCout_ini)); Modelica.Electrical.Analog.Basic.Capacitor inCap(C=Cin, v(start=vCin_ini)); Modelica.Electrical.Analog.Basic.Inductor inductor(L=L, i(start=iL_ini)); replaceable model SwitchModel = CCM1 constrainedby Interfaces.SwitchNetworkInterface; SwitchModel buckSw(dmin=dmin, dmax=dmax); SwitchModel boostSw(dmin=dmin, dmax=dmax); Modelica.Blocks.Interfaces.RealInput dbuck "Buck control voltage"; Modelica.Blocks.Interfaces.RealInput dboost "Boost control voltage"; Modelica.Electrical.Analog.Basic.Resistor resistor(R=RL); Modelica.Electrical.Analog.Basic.Resistor inESR(R=Rcin); Modelica.Electrical.Analog.Basic.Resistor outESR(R=Rcout); equation connect(buckSw.n1, inductor.p); connect(buckSw.p2, inductor.p); connect(boostSw.n1, buckSw.n2); connect(boostSw.n2, boostSw.p1); connect(p1, buckSw.p1); connect(outCap.p, boostSw.p2); connect(inCap.p, buckSw.p1); connect(resistor.n, boostSw.p1); connect(inductor.n, resistor.p); connect(p2, boostSw.p2); connect(inCap.n, inESR.p); connect(outCap.n, outESR.p); connect(outESR.n, n2); connect(inESR.n, n1); connect(inESR.n, buckSw.n2); connect(outESR.n, buckSw.n2); connect(dbuck, buckSw.d); connect(dboost, boostSw.d); end BidirectionalBuckBoost;

PVSystems.Electrical.Assemblies.CPMBidirectionalBuckBoost

Bidirectional Buck Boost for battery USB interface

PVSystems.Electrical.Assemblies.CPMBidirectionalBuckBoost

Information

Bidirectional buck boost converter

Extends from Interfaces.TwoPort (Common interface for power converters with two ports), PVSystems.Icons.ConverterIcon (Icon for power converter models).

Parameters

Type	Name	Default	Description
Power stage
Capacitance	Cin		Input capacitance [F]
Capacitance	Cout		Output capacitance [F]
Inductance	L		Inductance [H]
Resistance	RL		Series resistance of inductor [Ohm]
Initialization
Voltage	vCin_ini	0	Guess for initial voltage of Cin [V]
Voltage	vCout_ini	0	Guess for initial voltage of Cout [V]
Current	iL_ini	0	Guess for initial current of L [A]
CPM modulator
Resistance	Rf		Equivalent sensing resistance [Ohm]
Frequency	fs		Switching frequency [Hz]
Voltage	Va_buck		Articial ramp amplitude for buck CPM [V]
Voltage	Va_boost		Articial ramp amplitude for boost CPM [V]

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
input RealInput	vc	Buck control voltage
input BooleanInput	mode	Boost control voltage

Modelica definition

model CPMBidirectionalBuckBoost "Bidirectional Buck Boost for battery USB interface" extends Interfaces.TwoPort; extends PVSystems.Icons.ConverterIcon; parameter Modelica.SIunits.Capacitance Cin "Input capacitance"; parameter Modelica.SIunits.Voltage vCin_ini=0 "Guess for initial voltage of Cin"; parameter Modelica.SIunits.Capacitance Cout "Output capacitance"; parameter Modelica.SIunits.Voltage vCout_ini=0 "Guess for initial voltage of Cout"; parameter Modelica.SIunits.Inductance L "Inductance"; parameter Modelica.SIunits.Current iL_ini=0 "Guess for initial current of L"; parameter Modelica.SIunits.Resistance RL "Series resistance of inductor"; parameter Modelica.SIunits.Resistance Rf "Equivalent sensing resistance"; parameter Modelica.SIunits.Frequency fs "Switching frequency"; parameter Modelica.SIunits.Voltage Va_buck "Articial ramp amplitude for buck CPM"; parameter Modelica.SIunits.Voltage Va_boost "Articial ramp amplitude for boost CPM"; Control.CPM_CCM buck_cpm( L=L, Rf=1, fs=fs, Va=Va_buck, d_disabled=1); Control.CPM_CCM boost_cpm( L=L, Rf=1, fs=fs, Va=Va_boost, d_disabled=0); Modelica.Blocks.Sources.RealExpression vsense(y=Rf*conv.inductor.i); Modelica.Blocks.Sources.RealExpression vm1_buck(y=v1 - v2); Modelica.Blocks.Sources.RealExpression vm2_buck(y=-v2); Modelica.Blocks.Sources.RealExpression vm1_boost(y=v1); Modelica.Blocks.Interfaces.RealInput vc "Buck control voltage"; Modelica.Blocks.Interfaces.BooleanInput mode "Boost control voltage"; BidirectionalBuckBoost conv( Cin=Cin, Cout=Cout, L=L, RL=RL, vCin_ini=vCin_ini, vCout_ini=vCout_ini, iL_ini=iL_ini, Rcin=1e-3, Rcout=1e-3, dmax=1, dmin=1e-3); Modelica.Blocks.Logical.Not not1; Modelica.Blocks.MathBoolean.OnDelay onDelay(delayTime=3/fs); Modelica.Blocks.MathBoolean.OnDelay onDelay1(delayTime=3/fs); equation connect(conv.p1, p1); connect(conv.p2, p2); connect(conv.n2, n2); connect(conv.n1, n1); connect(vm2_buck.y, buck_cpm.vm2); connect(vsense.y, boost_cpm.vs); connect(vm1_buck.y, boost_cpm.vm2); connect(vm1_boost.y, boost_cpm.vm1); connect(vm1_buck.y, buck_cpm.vm1); connect(vsense.y, buck_cpm.vs); connect(vc, buck_cpm.vc); connect(vc, boost_cpm.vc); connect(mode, not1.u); connect(boost_cpm.d, conv.dboost); connect(buck_cpm.d, conv.dbuck); connect(mode, onDelay.u); connect(onDelay.y, boost_cpm.enable); connect(not1.y, onDelay1.u); connect(onDelay1.y, buck_cpm.enable); end CPMBidirectionalBuckBoost;

PVSystems.Electrical.Assemblies.HBridge.SwitchModel

Parameters

Type	Name	Default	Description
Real	dmin	1e-3	Minimum duty cycle [1]
Real	dmax	1	Maximum duty cycle [1]

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
input RealInput	d	Duty cycle

Modelica definition

replaceable model SwitchModel = CCM1 constrainedby Interfaces.SwitchNetworkInterface;

PVSystems.Electrical.Assemblies.BidirectionalBuckBoost.SwitchModel

Parameters

Type	Name	Default	Description
Real	dmin	1e-3	Minimum duty cycle [1]
Real	dmax	1	Maximum duty cycle [1]

Connectors

Type	Name	Description
PositivePin	p1	Positive pin of the left port (potential p1.v > n1.v for positive voltage drop v1)
NegativePin	n1	Negative pin of the left port
PositivePin	p2	Positive pin of the right port (potential p2.v > n2.v for positive voltage drop v2)
NegativePin	n2	Negative pin of the right port
input RealInput	d	Duty cycle

Modelica definition

replaceable model SwitchModel = CCM1 constrainedby Interfaces.SwitchNetworkInterface;

Automatically generated Mon Sep 11 16:11:47 2017.