DP_Ph1_Shunt.cpp

/* Copyright 2017-2021 Institute for Automation of Complex Power Systems,
 *                     EONERC, RWTH Aachen University
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 *********************************************************************************/
 
#include <dpsim-models/DP/DP_Ph1_Shunt.h>
 
using namespace CPS;
 
DP::Ph1::Shunt::Shunt(String uid, String name, Logger::Level logLevel)
    : CompositePowerComp<Complex>(uid, name, true, true, logLevel),
      mConductance(mAttributes->create<Real>("G")),
      mSusceptance(mAttributes->create<Real>("B")) {
 
  SPDLOG_LOGGER_INFO(mSLog, "Create {} of type {}", this->type(), name);
  setTerminalNumber(1);
}
 
void DP::Ph1::Shunt::setParameters(Real conductance, Real susceptance) {
  **mConductance = conductance;
  **mSusceptance = susceptance;
  SPDLOG_LOGGER_INFO(mSLog, "Conductance={} [S] Susceptance={} [Ohm] ",
                     conductance, susceptance);
  mParametersSet = true;
}

void DP::Ph1::Shunt::initializeParentFromNodesAndTerminals(Real frequency) {
 
  // Static calculation
  Real omega = 2. * PI * frequency;
  Complex admittance = Complex(**mConductance, **mSusceptance);
  (**mIntfVoltage)(0, 0) = initialSingleVoltage(0);
  (**mIntfCurrent)(0, 0) = (**mIntfVoltage)(0, 0) * admittance;
 
  // Create series rl sub component
  if (**mConductance > 0) {
    mSubResistor =
        std::make_shared<DP::Ph1::Resistor>(**mName + "_Res", mLogLevel);
    mSubResistor->connect(SimNode::List{SimNode::GND, mTerminals[0]->node()});
    mSubResistor->setParameters(1. / **mConductance);
    mSubResistor->initialize(mFrequencies);
    mSubResistor->initializeFromNodesAndTerminals(frequency);
    addMNASubComponent(mSubResistor, MNA_SUBCOMP_TASK_ORDER::NO_TASK,
                       MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT, false);
  }
 
  if (**mSusceptance > 0) {
    mSubCapacitor =
        std::make_shared<DP::Ph1::Capacitor>(**mName + "_cap", mLogLevel);
    mSubCapacitor->setParameters(**mSusceptance / omega);
    mSubCapacitor->connect(SimNode::List{SimNode::GND, mTerminals[0]->node()});
    mSubCapacitor->initialize(mFrequencies);
    mSubCapacitor->initializeFromNodesAndTerminals(frequency);
    addMNASubComponent(mSubCapacitor,
                       MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT,
                       MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT, true);
  }
 
  SPDLOG_LOGGER_INFO(mSLog,
                     "\n--- Initialization from powerflow ---"
                     "\nVoltage across: {:s}"
                     "\nCurrent: {:s}"
                     "\nTerminal voltage: {:s}"
                     "\n--- Initialization from powerflow finished ---",
                     Logger::phasorToString((**mIntfVoltage)(0, 0)),
                     Logger::phasorToString((**mIntfCurrent)(0, 0)),
                     Logger::phasorToString(initialSingleVoltage(0)));
}
 
void DP::Ph1::Shunt::mnaParentAddPreStepDependencies(
    AttributeBase::List &prevStepDependencies,
    AttributeBase::List &attributeDependencies,
    AttributeBase::List &modifiedAttributes) {
  modifiedAttributes.push_back(mRightVector);
}
 
void DP::Ph1::Shunt::mnaParentPreStep(Real time, Int timeStepCount) {
  mnaCompApplyRightSideVectorStamp(**mRightVector);
}
 
void DP::Ph1::Shunt::mnaParentAddPostStepDependencies(
    AttributeBase::List &prevStepDependencies,
    AttributeBase::List &attributeDependencies,
    AttributeBase::List &modifiedAttributes,
    Attribute<Matrix>::Ptr &leftVector) {
  attributeDependencies.push_back(leftVector);
  modifiedAttributes.push_back(mIntfVoltage);
  modifiedAttributes.push_back(mIntfCurrent);
}
 
void DP::Ph1::Shunt::mnaParentPostStep(Real time, Int timeStepCount,
                                       Attribute<Matrix>::Ptr &leftVector) {
  this->mnaUpdateVoltage(**leftVector);
  this->mnaUpdateCurrent(**leftVector);
}
 
void DP::Ph1::Shunt::mnaCompUpdateVoltage(const Matrix &leftVector) {
  (**mIntfVoltage)(0, 0) =
      Math::complexFromVectorElement(leftVector, matrixNodeIndex(0));
}
 
void DP::Ph1::Shunt::mnaCompUpdateCurrent(const Matrix &leftVector) {
  (**mIntfCurrent)(0, 0) = 0;
 
  if (**mConductance > 0)
    (**mIntfCurrent)(0, 0) += mSubResistor->intfCurrent()(0, 0);
  if (**mSusceptance > 0)
    (**mIntfCurrent)(0, 0) += mSubCapacitor->intfCurrent()(0, 0);
}