Package com.powsybl.openloadflow.ac.equations

Class ClosedBranchI1yFlowEquationTerm

java.lang.Object

com.powsybl.openloadflow.equations.AbstractEquationTerm<V,E>

com.powsybl.openloadflow.equations.AbstractNamedEquationTerm<V,E>

com.powsybl.openloadflow.equations.AbstractElementEquationTerm<LfBranch,AcVariableType,AcEquationType>

com.powsybl.openloadflow.ac.equations.AbstractClosedBranchAcFlowEquationTerm

com.powsybl.openloadflow.ac.equations.ClosedBranchI1yFlowEquationTerm

All Implemented Interfaces:

EquationTerm<AcVariableType,AcEquationType>, Evaluable

public class ClosedBranchI1yFlowEquationTerm
extends AbstractClosedBranchAcFlowEquationTerm

Author:

Jean-Baptiste Heyberger <jbheyberger at gmail.com>

Nested Class Summary

Nested classes/interfaces inherited from interface com.powsybl.openloadflow.equations.EquationTerm

EquationTerm.MultiplyByScalarEquationTerm<V extends Enum<V> & Quantity,E extends Enum<E> & Quantity>

Field Summary

Fields

Modifier and Type	Field	Description
protected final double	b1
protected final double	b12
protected final double	b2
protected final double	g1
protected final double	g12
protected final double	g2
protected final double	ksi
protected final double	y

Fields inherited from class com.powsybl.openloadflow.ac.equations.AbstractClosedBranchAcFlowEquationTerm

a1Var, ph1Var, ph2Var, r1Var, v1Var, v2Var, variables

Fields inherited from class com.powsybl.openloadflow.equations.AbstractElementEquationTerm

element

Fields inherited from class com.powsybl.openloadflow.equations.AbstractEquationTerm

self, sv

Constructor Summary

Constructors

Constructor	Description
ClosedBranchI1yFlowEquationTerm(LfBranch branch, LfBus bus1, LfBus bus2, VariableSet<AcVariableType> variableSet, boolean deriveA1, boolean deriveR1, Fortescue.SequenceType sequenceType)

Method Summary

Modifier and Type	Method	Description
double	calculateSensi(double dph1, double dph2, double dv1, double dv2, double da1, double dr1)
double	der(Variable<AcVariableType> variable)	Get partial derivative.
double	eval()	Evaluate equation term.
String	getName()
static double	i1y(double g1, double b1, double v1, double ph1, double v2, double ph2, double g12, double b12)	ignoring for now rho, we have: [I1x] [ g1+g12 -b1-b12 -g12 b12 ] [V1x] [I1y] [ b1+b12 g1+g12 -b12 -g12 ] [V1y] [I2x] = [ -g21 b21 g2+g21 -b2-b21 ] * [V2x] [I2y] [ -b21 -g21 b2+b21 g2+g21 ] [V2y]

Methods inherited from class com.powsybl.openloadflow.ac.equations.AbstractClosedBranchAcFlowEquationTerm

a1, calculateSensi, getA1Var, getVariables, ph1, ph2, r1, theta1, theta2, v1, v2

Methods inherited from class com.powsybl.openloadflow.equations.AbstractElementEquationTerm

getElementNum, getElementType

Methods inherited from class com.powsybl.openloadflow.equations.AbstractNamedEquationTerm

write

Methods inherited from class com.powsybl.openloadflow.equations.AbstractEquationTerm

getChildren, getEquation, hasRhs, isActive, rhs, setActive, setEquation, setSelf, setStateVector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.powsybl.openloadflow.equations.EquationTerm

eval, minus, multiply, multiply

Field Details

b1

protected final double b1

b2

protected final double b2

g1

protected final double g1

g2

protected final double g2

y

protected final double y

ksi

protected final double ksi

g12

protected final double g12

b12

protected final double b12

Constructor Details

ClosedBranchI1yFlowEquationTerm

public ClosedBranchI1yFlowEquationTerm(LfBranch branch,
 LfBus bus1,
 LfBus bus2,
 VariableSet<AcVariableType> variableSet,
 boolean deriveA1,
 boolean deriveR1,
 Fortescue.SequenceType sequenceType)

Method Details

calculateSensi

public double calculateSensi(double dph1,
 double dph2,
 double dv1,
 double dv2,
 double da1,
 double dr1)

Specified by:

calculateSensi in class AbstractClosedBranchAcFlowEquationTerm

i1y

public static double i1y(double g1,
 double b1,
 double v1,
 double ph1,
 double v2,
 double ph2,
 double g12,
 double b12)

ignoring for now rho, we have: [I1x] [ g1+g12 -b1-b12 -g12 b12 ] [V1x] [I1y] [ b1+b12 g1+g12 -b12 -g12 ] [V1y] [I2x] = [ -g21 b21 g2+g21 -b2-b21 ] * [V2x] [I2y] [ -b21 -g21 b2+b21 g2+g21 ] [V2y]

eval

public double eval()

Description copied from interface: EquationTerm

Evaluate equation term.

Returns:

value of the equation term

der

public double der(Variable<AcVariableType> variable)

Description copied from interface: EquationTerm

Get partial derivative.

Parameters:

variable - the variable the partial derivative is with respect to

Returns:

value of the partial derivative

getName

public String getName()

Specified by:

getName in class AbstractNamedEquationTerm<AcVariableType,AcEquationType>