DP_Ph1_RXLoadSwitch.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_RXLoadSwitch.h>
 
using namespace CPS;
 
DP::Ph1::RXLoadSwitch::RXLoadSwitch(String uid, String name,
                                    Logger::Level logLevel)
    : CompositePowerComp<Complex>(uid, name, true, true, logLevel) {
  setTerminalNumber(1);
  setVirtualNodeNumber(1);
  **mIntfVoltage = MatrixComp::Zero(1, 1);
  **mIntfCurrent = MatrixComp::Zero(1, 1);
 
  // Create sub components
  mSubRXLoad =
      std::make_shared<DP::Ph1::RXLoad>(**mName + "_rxload", mLogLevel);
  mSubSwitch =
      std::make_shared<DP::Ph1::Switch>(**mName + "_switch", mLogLevel);
  addMNASubComponent(mSubRXLoad, MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT,
                     MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT, true);
  addMNASubComponent(mSubSwitch, MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT,
                     MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT, false);
  // Set switch default values
  mSubSwitch->setParameters(1e9, 1e-9, true);
}
 
DP::Ph1::RXLoadSwitch::RXLoadSwitch(String name, Logger::Level logLevel)
    : RXLoadSwitch(name, name, logLevel) {}
 
Bool DP::Ph1::RXLoadSwitch::mnaIsClosed() { return mSubSwitch->isClosed(); }
 
void DP::Ph1::RXLoadSwitch::initializeFromNodesAndTerminals(Real frequency) {
 
  if (!mParametersSet) {
    // use powerflow results
    mSubRXLoad->setParameters(mTerminals[0]->singleActivePower(),
                              mTerminals[0]->singleReactivePower(),
                              std::abs(mTerminals[0]->initialSingleVoltage()));
  }
 
  mSubRXLoad->connect({virtualNode(0)});
  mSubRXLoad->initialize(mFrequencies);
  mSubRXLoad->initializeFromNodesAndTerminals(frequency);
 
  mSubSwitch->connect({node(0)});
  mSubSwitch->initialize(mFrequencies);
  mSubSwitch->initializeFromNodesAndTerminals(frequency);
 
  **mIntfVoltage = **mSubRXLoad->mIntfVoltage;
  **mIntfCurrent = **mSubRXLoad->mIntfCurrent;
 
  SPDLOG_LOGGER_INFO(mSLog,
                     "\n--- Initialization from powerflow ---"
                     "\nVoltage across: {:s}"
                     "\nCurrent: {:s}"
                     "\nTerminal 0 voltage: {:s}"
                     "\n--- Initialization from powerflow finished ---",
                     Logger::phasorToString((**mIntfVoltage)(0, 0)),
                     Logger::phasorToString((**mIntfCurrent)(0, 0)),
                     Logger::phasorToString(initialSingleVoltage(0)));
}
 
void DP::Ph1::RXLoadSwitch::setParameters(Real activePower, Real reactivePower,
                                          Real nomVolt, Real openResistance,
                                          Real closedResistance, Bool closed) {
  mParametersSet = true;
  mSubRXLoad->setParameters(activePower, reactivePower, nomVolt);
  mSubSwitch->setParameters(openResistance, closedResistance, closed);
}
 
void DP::Ph1::RXLoadSwitch::setSwitchParameters(Real openResistance,
                                                Real closedResistance,
                                                Bool closed) {
  mSubSwitch->setParameters(openResistance, closedResistance, closed);
}
 
void DP::Ph1::RXLoadSwitch::mnaCompApplySwitchSystemMatrixStamp(
    Bool closed, SparseMatrixRow &systemMatrix, Int freqIdx) {
  mSubRXLoad->mnaApplySystemMatrixStamp(systemMatrix);
  mSubSwitch->mnaCompApplySwitchSystemMatrixStamp(closed, systemMatrix,
                                                  freqIdx);
}
 
void DP::Ph1::RXLoadSwitch::mnaParentAddPreStepDependencies(
    AttributeBase::List &prevStepDependencies,
    AttributeBase::List &attributeDependencies,
    AttributeBase::List &modifiedAttributes) {
  prevStepDependencies.push_back(mIntfCurrent);
  prevStepDependencies.push_back(mIntfVoltage);
  modifiedAttributes.push_back(mRightVector);
}
 
void DP::Ph1::RXLoadSwitch::mnaParentPreStep(Real time, Int timeStepCount) {
  updateSwitchState(time);
  mnaCompApplyRightSideVectorStamp(**mRightVector);
}
 
void DP::Ph1::RXLoadSwitch::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::RXLoadSwitch::mnaParentPostStep(
    Real time, Int timeStepCount, Attribute<Matrix>::Ptr &leftVector) {
  **mIntfVoltage = **mSubRXLoad->mIntfVoltage;
  **mIntfCurrent = **mSubRXLoad->mIntfCurrent;
}
 
void DP::Ph1::RXLoadSwitch::updateSwitchState(Real time) {
 
  if (time > mSwitchTimeOffset && mSubSwitch->isClosed()) {
    Real VRef = Math::abs(**mSubRXLoad->mNomVoltage);
    Real V = Math::abs((**mIntfVoltage)(0, 0));
 
    Real deltaV = Math::abs((V - VRef) / VRef);
 
    if (deltaV > 0.1) {
      mSubSwitch->open();
      SPDLOG_LOGGER_INFO(mSLog, "Opened Switch at {}", (float)time);
    }
  }
}