com.interpss.core.algo.sc.solver

Class BaseScCalculator

java.lang.Object

com.interpss.core.algo.sc.solver.BaseScCalculator

Direct Known Subclasses:

ScBusCalculator

public class BaseScCalculator
extends java.lang.Object

Default implementation of the SimpleFault, symmetric or asymmetric, calculation Notes: 1) for 3-P fault, zeq = zlg for L-G fault, zeq = zdd0 + zdd2, i1 = i2 = i0 zdd0 = zdd0(net) + 3*Zlg zdd2 = zdd2(net) for L-L fault, zeq = Zll/2 + zdd2, i2 = -i1, i0=0 zdd2 = zdd2(net) + Zll/2 for LL-G fault, zeq = zll/2 + zdd0 || zdd2; zdd2 = zdd2(net) + Zll/2 zdd0 = zdd0(net) + Zll/2 + 3*Zlg i2 and i0 calculated based on v1 on the fault point 2) For asymmetric fault faults, 3-Phase L-G Fault LL-G Fault L-L Fault --+---------- --+-------- --+------------- --+--------------- --|---+------ --|--+----- --|-----+------- --|------+-------- --|---|---+-- --|--|--+-- --|-----|-----+- --|------|------+- | | | | | | | | | | | | | | | | Zll/2 Zll/2 Zll/2 Zll/2 | Zlg Zlg Zlg Zlg | | | | | | | | +--|--+ +------+ +---|---+ | Zlg | = | = = 3) Outage analysis for 3Phase outage: |-x-------------------------x-| for 1Phase or 2Phase outage |-x-------------------------x-| : : Zeq Zeq : : : = = 2Phase outage: Zeq = Z0 + Z2 1Phase outage: Zeq = Z0 * Z2 / ( Z0 + Z2 )

Field Summary

Fields

Modifier and Type	Field and Description
protected double	multiFactor
protected BaseAcscNetwork<?,?>	net
protected ScBusModelType	scBusModelType
protected ISparseEqnComplex	y0Matrix
protected ISparseEqnComplex	y1Matrix
protected ISparseEqnComplex	y2Matrix
protected boolean	yMatrixDirty

Constructor Summary

Constructors

Constructor and Description
BaseScCalculator(BaseAcscNetwork<?,?> net) constructor

Method Summary

Modifier and Type	Method and Description
void	formNetYMaxtrix()
protected ISparseEqnComplex	getYMaxtrix(SequenceCode seq)
void	setMultiFactor(double multiFactor) set the SC current multiplying factor
void	setScBusModelType(ScBusModelType scBusVoltage) set SC fault bus voltage
void	setYMatrixDirty(boolean b) set the network y-matrix dirty indicator
protected org.apache.commons.math3.complex.Complex[]	solveYmtrix(ISparseEqnComplex ym, int busNumber) Calculate Z array by solving network Y-matrix by injecting 1 pu current at bus-i into the network

Methods inherited from class java.lang.Object

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

Field Detail

net

protected BaseAcscNetwork<?,?> net

y1Matrix

protected ISparseEqnComplex y1Matrix

y2Matrix

protected ISparseEqnComplex y2Matrix

y0Matrix

protected ISparseEqnComplex y0Matrix

yMatrixDirty

protected boolean yMatrixDirty

multiFactor

protected double multiFactor

scBusModelType

protected ScBusModelType scBusModelType

Constructor Detail

BaseScCalculator

public BaseScCalculator(BaseAcscNetwork<?,?> net)

constructor

Parameters:

net -

Method Detail

formNetYMaxtrix

public void formNetYMaxtrix()

getYMaxtrix

protected ISparseEqnComplex getYMaxtrix(SequenceCode seq)

setYMatrixDirty

public void setYMatrixDirty(boolean b)

set the network y-matrix dirty indicator

setMultiFactor

public void setMultiFactor(double multiFactor)

set the SC current multiplying factor

Parameters:

multiFactor - The multiFactor to set.

setScBusModelType

public void setScBusModelType(ScBusModelType scBusVoltage)

set SC fault bus voltage

Parameters:

scBusVoltage - The scBusVoltage to set.

solveYmtrix

protected org.apache.commons.math3.complex.Complex[] solveYmtrix(ISparseEqnComplex ym,
                                                                 int busNumber)
                                                          throws IpssNumericException

Calculate Z array by solving network Y-matrix by injecting 1 pu current at bus-i into the network

Parameters:

ym -

bus -

Throws:

IpssNumericException