Solver class using the nonlinear powerflow (PF) formulation. More...

#include <PFSolver.h>

Inheritance diagram for DPsim::PFSolver:

Collaboration diagram for DPsim::PFSolver:

Classes
class	SolveTask

Public Member Functions
	PFSolver (CPS::String name, CPS::SystemTopology system, Real timeStep, CPS::Logger::Level logLevel)
	Constructor to be used in simulation examples.

void	setVDNode (CPS::String name)
	Set a node to VD using its name.

void	modifyPowerFlowBusComponent (CPS::String name, CPS::PowerflowBusType powerFlowBusType)
	Allows to modify the powerflow bus type of a specific component.

void	setSolverAndComponentBehaviour (Solver::Behaviour behaviour) override
	set solver and component to initialization or simulation behaviour

Public Member Functions inherited from DPsim::Solver
	Solver (String name, CPS::Logger::Level logLevel)

void	setTimeStep (Real timeStep)

void	doFrequencyParallelization (Bool freqParallel)

virtual void	setSystem (const CPS::SystemTopology &system)

void	doSystemMatrixRecomputation (Bool value)

void	setLogSolveTimes (Bool value)

void	doSteadyStateInit (Bool f)
	activate steady state initialization

void	setSteadStIniTimeLimit (Real v)
	set steady state initialization time limit

void	setSteadStIniAccLimit (Real v)
	set steady state initialization accuracy limit

void	doInitFromNodesAndTerminals (Bool f)
	activate powerflow initialization

virtual void	setDirectLinearSolverConfiguration (DirectLinearSolverConfiguration &)
	set direct linear solver configuration (only available in MNA for now)

virtual void	logLUTimes ()
	log LU decomposition times, if applicable

virtual void	log (Real time, Int timeStepCount)
	Log results.

void	setMaxNumberOfIterations (int maxIterations)

Protected Member Functions
virtual void	generateInitialSolution (Real time, bool keep_last_solution=false)=0
	Generate initial solution for current time step.

virtual void	calculateMismatch ()=0
	Calculate mismatch.

virtual void	calculateJacobian ()=0
	Calculate the Jacobian.

virtual void	updateSolution ()=0
	Update solution in each iteration.

virtual void	setSolution ()=0
	Set final solution.

void	initialize () override
	Initialization of the solver.

void	initializeComponents ()
	Initialization of individual components.

void	assignMatrixNodeIndices ()
	Assignment of matrix indices for nodes.

void	setBaseApparentPower ()
	Set apparent base power of per-unit system.

void	determinePFBusType ()
	Determine bus type for all buses.

void	determineNodeBaseVoltages ()
	Determine base voltages for each node.

void	composeAdmittanceMatrix ()
	Compose admittance matrix.

CPS::Real	G (int i, int j)
	Gets the real part of admittance matrix element.

CPS::Real	B (int i, int j)
	Gets the imaginary part of admittance matrix element.

Bool	solvePowerflow ()
	Solves the powerflow problem.

CPS::Bool	checkConvergence ()
	Check whether below tolerance.

CPS::String	logVector (std::vector< CPS::UInt > indexVector)
	Logging for integer vectors.

CPS::Task::List	getTasks () override
	Get tasks for scheduler.

Protected Attributes
UInt	mNumPQBuses = 0
	Number of PQ nodes.

UInt	mNumPVBuses = 0
	Number of PV nodes.

UInt	mNumVDBuses = 0
	Number of PV nodes.

UInt	mNumUnknowns = 0
	Number of unknowns, defining system dimension.

CPS::TopologicalNode::List	mPQBuses
	Vector of nodes characterized as PQ buses.

CPS::TopologicalNode::List	mPVBuses
	Vector of nodes characterized as PV buses.

CPS::TopologicalNode::List	mVDBuses
	Vector of nodes characterized as VD buses.

std::vector< CPS::UInt >	mPQBusIndices
	Vector with indices of PQ buses.

std::vector< CPS::UInt >	mPVBusIndices
	Vector with indices of PV buses.

std::vector< CPS::UInt >	mVDBusIndices
	Vector with indices of VD buses.

std::vector< CPS::UInt >	mPQPVBusIndices
	Vector with indices of both PQ and PV buses.

CPS::SparseMatrixCompRow	mY
	Admittance matrix.

CPS::Matrix	mJ
	Jacobian matrix.

CPS::Vector	mX
	Solution vector.

CPS::Vector	mF
	Vector of mismatch values.

CPS::SystemTopology	mSystem
	System list.

std::vector< std::shared_ptr< CPS::SP::Ph1::Transformer > >	mTransformers
	Vector of transformer components.

std::vector< std::shared_ptr< CPS::SP::Ph1::SolidStateTransformer > >	mSolidStateTransformers
	Vector of solid state transformer components.

std::vector< std::shared_ptr< CPS::SP::Ph1::SynchronGenerator > >	mSynchronGenerators
	Vector of synchronous generator components.

std::vector< std::shared_ptr< CPS::SP::Ph1::Load > >	mLoads
	Vector of load components.

std::vector< std::shared_ptr< CPS::SP::Ph1::PiLine > >	mLines
	Vector of line components.

std::vector< std::shared_ptr< CPS::SP::Ph1::Shunt > >	mShunts
	Vector of shunt components.

std::vector< std::shared_ptr< CPS::SP::Ph1::NetworkInjection > >	mExternalGrids
	Vector of external grid components.

std::vector< std::shared_ptr< CPS::SP::Ph1::AvVoltageSourceInverterDQ > >	mAverageVoltageSourceInverters
	Vector of average voltage source inverters.

std::map< CPS::TopologicalNode::Ptr, CPS::Real >	mBaseVoltageAtNode
	Map providing determined base voltages for each node.

Real	mTolerance = 1e-8
	Solver tolerance.

CPS::UInt	mMaxIterations = 9
	Maximum number of iterations.

CPS::UInt	mIterations
	Actual number of iterations.

CPS::Real	mBaseApparentPower
	Base power of per-unit system.

CPS::Bool	isConverged = false
	Convergence flag.

CPS::Bool	solutionInitialized = false
	Flag whether solution vectors are initialized.

CPS::Bool	solutionComplexInitialized = false
	Flag whether complex solution vectors are initialized.

Protected Attributes inherited from DPsim::Solver
String	mName
	Name for logging.

CPS::Logger::Level	mLogLevel
	Logging level.

Bool	mLogSolveTimes = true
	Collect step time for logging.

CPS::Logger::Log	mSLog
	Logger.

Real	mTimeStep
	Time step for fixed step solvers.

Bool	mFrequencyParallel = false
	Activates parallelized computation of frequencies.

Real	mSteadStIniTimeLimit = 10
	steady state initialization time limit

Real	mSteadStIniAccLimit = 0.0001
	steady state initialization accuracy limit

Bool	mSteadyStateInit = false
	Activates steady state initialization.

Bool	mIsInInitialization = false
	Determines if solver is in initialization phase, which requires different behavior.

Bool	mInitFromNodesAndTerminals = true

Bool	mSystemMatrixRecomputation = false
	Enable recomputation of system matrix during simulation.

Behaviour	mBehaviour = Solver::Behaviour::Simulation
	Solver behaviour initialization or simulation.

Additional Inherited Members
Public Types inherited from DPsim::Solver
enum	Behaviour { Initialization , Simulation }

enum class	Type { MNA , DAE , NRP }

typedef std::shared_ptr< Solver >	Ptr

typedef std::vector< Ptr >	List

Public Attributes inherited from DPsim::Solver
int	mMaxIterations = 10

Detailed Description

Solver class using the nonlinear powerflow (PF) formulation.

Definition at line 21 of file PFSolver.h.

Constructor & Destructor Documentation

◆ PFSolver()

PFSolver::PFSolver	(	CPS::String	name,
		CPS::SystemTopology	system,
		CPS::Real	timeStep,
		CPS::Logger::Level	logLevel )

Constructor to be used in simulation examples.

Definition at line 16 of file PFSolver.cpp.

◆ ~PFSolver()

virtual DPsim::PFSolver::~PFSolver ( )

inlinevirtual

Definition at line 145 of file PFSolver.h.

Member Function Documentation

◆ assignMatrixNodeIndices()

void PFSolver::assignMatrixNodeIndices ( )

protected

Assignment of matrix indices for nodes.

Definition at line 68 of file PFSolver.cpp.

◆ B()

CPS::Real PFSolver::B	(	int	i,
		int	j )

protected

Gets the imaginary part of admittance matrix element.

Definition at line 432 of file PFSolver.cpp.

◆ calculateJacobian()

virtual void DPsim::PFSolver::calculateJacobian ( )

protectedpure virtual

Calculate the Jacobian.

Implemented in DPsim::PFSolverPowerPolar.

◆ calculateMismatch()

virtual void DPsim::PFSolver::calculateMismatch ( )

protectedpure virtual

Calculate mismatch.

Implemented in DPsim::PFSolverPowerPolar.

◆ checkConvergence()

CPS::Bool PFSolver::checkConvergence ( )

protected

Check whether below tolerance.

Definition at line 434 of file PFSolver.cpp.

◆ composeAdmittanceMatrix()

void PFSolver::composeAdmittanceMatrix ( )

protected

Compose admittance matrix.

Definition at line 405 of file PFSolver.cpp.

◆ determineNodeBaseVoltages()

void PFSolver::determineNodeBaseVoltages ( )

protected

Determine base voltages for each node.

Definition at line 260 of file PFSolver.cpp.

◆ determinePFBusType()

void PFSolver::determinePFBusType ( )

protected

Determine bus type for all buses.

Definition at line 147 of file PFSolver.cpp.

◆ G()

CPS::Real PFSolver::G	(	int	i,
		int	j )

protected

Gets the real part of admittance matrix element.

Definition at line 430 of file PFSolver.cpp.

◆ generateInitialSolution()

virtual void DPsim::PFSolver::generateInitialSolution	(	Real	time,
		bool	keep_last_solution = false )

protectedpure virtual

Generate initial solution for current time step.

Implemented in DPsim::PFSolverPowerPolar.

◆ getTasks()

Task::List PFSolver::getTasks ( )

overrideprotectedvirtual

Get tasks for scheduler.

Implements DPsim::Solver.

Definition at line 484 of file PFSolver.cpp.

◆ initialize()

void PFSolver::initialize ( )

overrideprotectedvirtual

Initialization of the solver.

Reimplemented from DPsim::Solver.

Definition at line 23 of file PFSolver.cpp.

◆ initializeComponents()

void PFSolver::initializeComponents ( )

protected

Initialization of individual components.

Definition at line 82 of file PFSolver.cpp.

◆ logVector()

CPS::String DPsim::PFSolver::logVector ( std::vector< CPS::UInt > indexVector )

inlineprotected

Logging for integer vectors.

Definition at line 131 of file PFSolver.h.

◆ modifyPowerFlowBusComponent()

void PFSolver::modifyPowerFlowBusComponent	(	CPS::String	name,
		CPS::PowerflowBusType	powerFlowBusType )

Allows to modify the powerflow bus type of a specific component.

Definition at line 362 of file PFSolver.cpp.

◆ setBaseApparentPower()

void PFSolver::setBaseApparentPower ( )

protected

Set apparent base power of per-unit system.

Definition at line 124 of file PFSolver.cpp.

◆ setSolution()

virtual void DPsim::PFSolver::setSolution ( )

protectedpure virtual

Set final solution.

Implemented in DPsim::PFSolverPowerPolar.

◆ setSolverAndComponentBehaviour()

void PFSolver::setSolverAndComponentBehaviour ( Solver::Behaviour behaviour )

overridevirtual

set solver and component to initialization or simulation behaviour

Reimplemented from DPsim::Solver.

Definition at line 377 of file PFSolver.cpp.

◆ setVDNode()

void PFSolver::setVDNode ( CPS::String name )

Set a node to VD using its name.

Definition at line 345 of file PFSolver.cpp.

◆ solvePowerflow()

Bool PFSolver::solvePowerflow ( )

protected

Solves the powerflow problem.

Definition at line 443 of file PFSolver.cpp.

◆ updateSolution()

virtual void DPsim::PFSolver::updateSolution ( )

protectedpure virtual

Update solution in each iteration.

Implemented in DPsim::PFSolverPowerPolar.

Member Data Documentation

◆ isConverged

CPS::Bool DPsim::PFSolver::isConverged = false

protected

Convergence flag.

Definition at line 89 of file PFSolver.h.

◆ mAverageVoltageSourceInverters

std::vector<std::shared_ptr<CPS::SP::Ph1::AvVoltageSourceInverterDQ> > DPsim::PFSolver::mAverageVoltageSourceInverters

protected

Vector of average voltage source inverters.

Definition at line 76 of file PFSolver.h.

◆ mBaseApparentPower

CPS::Real DPsim::PFSolver::mBaseApparentPower

protected

Base power of per-unit system.

Definition at line 87 of file PFSolver.h.

◆ mBaseVoltageAtNode

std::map<CPS::TopologicalNode::Ptr, CPS::Real> DPsim::PFSolver::mBaseVoltageAtNode

protected

Map providing determined base voltages for each node.

Definition at line 78 of file PFSolver.h.

◆ mExternalGrids

std::vector<std::shared_ptr<CPS::SP::Ph1::NetworkInjection> > DPsim::PFSolver::mExternalGrids

protected

Vector of external grid components.

Definition at line 73 of file PFSolver.h.

◆ mF

CPS::Vector DPsim::PFSolver::mF

protected

Vector of mismatch values.

Definition at line 54 of file PFSolver.h.

◆ mIterations

CPS::UInt DPsim::PFSolver::mIterations

protected

Actual number of iterations.

Definition at line 85 of file PFSolver.h.

◆ mJ

CPS::Matrix DPsim::PFSolver::mJ

protected

Jacobian matrix.

Definition at line 50 of file PFSolver.h.

◆ mLines

std::vector<std::shared_ptr<CPS::SP::Ph1::PiLine> > DPsim::PFSolver::mLines

protected

Vector of line components.

Definition at line 69 of file PFSolver.h.

◆ mLoads

std::vector<std::shared_ptr<CPS::SP::Ph1::Load> > DPsim::PFSolver::mLoads

protected

Vector of load components.

Definition at line 67 of file PFSolver.h.

◆ mMaxIterations

CPS::UInt DPsim::PFSolver::mMaxIterations = 9

protected

Maximum number of iterations.

Definition at line 83 of file PFSolver.h.

◆ mNumPQBuses

UInt DPsim::PFSolver::mNumPQBuses = 0

protected

Number of PQ nodes.

Definition at line 24 of file PFSolver.h.

◆ mNumPVBuses

UInt DPsim::PFSolver::mNumPVBuses = 0

protected

Number of PV nodes.

Definition at line 26 of file PFSolver.h.

◆ mNumUnknowns

UInt DPsim::PFSolver::mNumUnknowns = 0

protected

Number of unknowns, defining system dimension.

Definition at line 30 of file PFSolver.h.

◆ mNumVDBuses

UInt DPsim::PFSolver::mNumVDBuses = 0

protected

Number of PV nodes.

Definition at line 28 of file PFSolver.h.

◆ mPQBuses

CPS::TopologicalNode::List DPsim::PFSolver::mPQBuses

protected

Vector of nodes characterized as PQ buses.

Definition at line 32 of file PFSolver.h.

◆ mPQBusIndices

std::vector<CPS::UInt> DPsim::PFSolver::mPQBusIndices

protected

Vector with indices of PQ buses.

Definition at line 38 of file PFSolver.h.

◆ mPQPVBusIndices

std::vector<CPS::UInt> DPsim::PFSolver::mPQPVBusIndices

protected

Vector with indices of both PQ and PV buses.

Definition at line 44 of file PFSolver.h.

◆ mPVBuses

CPS::TopologicalNode::List DPsim::PFSolver::mPVBuses

protected

Vector of nodes characterized as PV buses.

Definition at line 34 of file PFSolver.h.

◆ mPVBusIndices

std::vector<CPS::UInt> DPsim::PFSolver::mPVBusIndices

protected

Vector with indices of PV buses.

Definition at line 40 of file PFSolver.h.

◆ mShunts

std::vector<std::shared_ptr<CPS::SP::Ph1::Shunt> > DPsim::PFSolver::mShunts

protected

Vector of shunt components.

Definition at line 71 of file PFSolver.h.

◆ mSolidStateTransformers

std::vector<std::shared_ptr<CPS::SP::Ph1::SolidStateTransformer> > DPsim::PFSolver::mSolidStateTransformers

protected

Vector of solid state transformer components.

Definition at line 62 of file PFSolver.h.

◆ mSynchronGenerators

std::vector<std::shared_ptr<CPS::SP::Ph1::SynchronGenerator> > DPsim::PFSolver::mSynchronGenerators

protected

Vector of synchronous generator components.

Definition at line 65 of file PFSolver.h.

◆ mSystem

CPS::SystemTopology DPsim::PFSolver::mSystem

protected

System list.

Definition at line 57 of file PFSolver.h.

◆ mTolerance

Real DPsim::PFSolver::mTolerance = 1e-8

protected

Solver tolerance.

Definition at line 81 of file PFSolver.h.

◆ mTransformers

std::vector<std::shared_ptr<CPS::SP::Ph1::Transformer> > DPsim::PFSolver::mTransformers

protected

Vector of transformer components.

Definition at line 59 of file PFSolver.h.

◆ mVDBuses

CPS::TopologicalNode::List DPsim::PFSolver::mVDBuses

protected

Vector of nodes characterized as VD buses.

Definition at line 36 of file PFSolver.h.

◆ mVDBusIndices

std::vector<CPS::UInt> DPsim::PFSolver::mVDBusIndices

protected

Vector with indices of VD buses.

Definition at line 42 of file PFSolver.h.

◆ mX

CPS::Vector DPsim::PFSolver::mX

protected

Solution vector.

Definition at line 52 of file PFSolver.h.

◆ mY

CPS::SparseMatrixCompRow DPsim::PFSolver::mY

protected

Admittance matrix.

Definition at line 47 of file PFSolver.h.

◆ solutionComplexInitialized

CPS::Bool DPsim::PFSolver::solutionComplexInitialized = false

protected

Flag whether complex solution vectors are initialized.

Definition at line 93 of file PFSolver.h.

◆ solutionInitialized

CPS::Bool DPsim::PFSolver::solutionInitialized = false

protected

Flag whether solution vectors are initialized.

Definition at line 91 of file PFSolver.h.

The documentation for this class was generated from the following files:

/__w/dpsim/dpsim/dpsim/include/dpsim/PFSolver.h
/__w/dpsim/dpsim/dpsim/src/PFSolver.cpp

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PFSolver()

◆ ~PFSolver()

Member Function Documentation

◆ assignMatrixNodeIndices()

◆ B()

◆ calculateJacobian()

◆ calculateMismatch()

◆ checkConvergence()

◆ composeAdmittanceMatrix()

◆ determineNodeBaseVoltages()

◆ determinePFBusType()

◆ G()

◆ generateInitialSolution()

◆ getTasks()

◆ initialize()

◆ initializeComponents()

◆ logVector()

◆ modifyPowerFlowBusComponent()

◆ setBaseApparentPower()

◆ setSolution()

◆ setSolverAndComponentBehaviour()

◆ setVDNode()

◆ solvePowerflow()

◆ updateSolution()

Member Data Documentation

◆ isConverged

◆ mAverageVoltageSourceInverters

◆ mBaseApparentPower

◆ mBaseVoltageAtNode

◆ mExternalGrids

◆ mF

◆ mIterations

◆ mJ

◆ mLines

◆ mLoads

◆ mMaxIterations

◆ mNumPQBuses

◆ mNumPVBuses

◆ mNumUnknowns

◆ mNumVDBuses

◆ mPQBuses

◆ mPQBusIndices

◆ mPQPVBusIndices

◆ mPVBuses

◆ mPVBusIndices

◆ mShunts

◆ mSolidStateTransformers

◆ mSynchronGenerators

◆ mSystem

◆ mTolerance

◆ mTransformers

◆ mVDBuses

◆ mVDBusIndices

◆ mX

◆ mY

◆ solutionComplexInitialized

◆ solutionInitialized