SP_Ph1_NetworkInjection.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/SP/SP_Ph1_NetworkInjection.h>
 
using namespace CPS;
 
SP::Ph1::NetworkInjection::NetworkInjection(String uid, String name,
                                            Logger::Level logLevel)
    : CompositePowerComp<Complex>(uid, name, true, true, logLevel),
      mVoltageRef(mAttributes->createDynamic<Complex>("V_ref")),
      mSrcFreq(mAttributes->createDynamic<Real>("f_src")),
      mVoltageSetPoint(mAttributes->create<Real>("V_set")),
      mVoltageSetPointPerUnit(mAttributes->create<Real>("V_set_pu", 1.0)),
      mActivePowerInjection(mAttributes->create<Real>("p_inj")),
      mReactivePowerInjection(mAttributes->create<Real>("q_inj")) {
 
  SPDLOG_LOGGER_INFO(mSLog, "Create {} of type {}", **mName, this->type());
  mSLog->flush();
  **mIntfVoltage = MatrixComp::Zero(1, 1);
  **mIntfCurrent = MatrixComp::Zero(1, 1);
  setVirtualNodeNumber(0);
  setTerminalNumber(1);
 
  // Create electrical sub components
  mSubVoltageSource =
      std::make_shared<SP::Ph1::VoltageSource>(**mName + "_vs", mLogLevel);
  addMNASubComponent(mSubVoltageSource,
                     MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT,
                     MNA_SUBCOMP_TASK_ORDER::TASK_BEFORE_PARENT, true);
  SPDLOG_LOGGER_INFO(mSLog, "Electrical subcomponents: ");
  for (auto subcomp : mSubComponents)
    SPDLOG_LOGGER_INFO(mSLog, "- {}", subcomp->name());
 
  // MNA attributes
  mSubVoltageSource->mVoltageRef->setReference(mVoltageRef);
  mSubVoltageSource->mSrcFreq->setReference(mSrcFreq);
}
 
// #### Powerflow section ####
 
void SP::Ph1::NetworkInjection::setParameters(Real voltageSetPoint) {
  **mVoltageSetPoint = voltageSetPoint;
 
  SPDLOG_LOGGER_INFO(mSLog, "Voltage Set-Point ={} [V]", **mVoltageSetPoint);
  mSLog->flush();
 
  mParametersSet = true;
}
 
void SP::Ph1::NetworkInjection::setParameters(Complex initialPhasor,
                                              Real freqStart, Real rocof,
                                              Real timeStart, Real duration,
                                              bool smoothRamp) {
  mParametersSet = true;
 
  mSubVoltageSource->setParameters(initialPhasor, freqStart, rocof, timeStart,
                                   duration, smoothRamp);
 
  SPDLOG_LOGGER_INFO(
      mSLog,
      "\nVoltage Ref={:s} [V]"
      "\nInitial frequency={:s} [Hz]"
      "\nRamp ROCOF={:s} [Hz/s]"
      "\nRamp duration={:s} [s]"
      "\nRamp nadir={:s} [Hz]",
      Logger::phasorToString(initialPhasor), Logger::realToString(freqStart),
      Logger::realToString(rocof), Logger::realToString(duration),
      Logger::realToString(freqStart + rocof * duration));
}
 
void SP::Ph1::NetworkInjection::setParameters(Complex initialPhasor,
                                              Real modulationFrequency,
                                              Real modulationAmplitude,
                                              Real baseFrequency /*= 0.0*/,
                                              bool zigzag /*= false*/) {
  mParametersSet = true;
 
  mSubVoltageSource->setParameters(initialPhasor, modulationFrequency,
                                   modulationAmplitude, baseFrequency, zigzag);
 
  SPDLOG_LOGGER_INFO(mSLog,
                     "\nVoltage Ref={:s} [V]"
                     "\nFrequency={:s} [Hz]",
                     Logger::phasorToString(initialPhasor),
                     Logger::realToString(baseFrequency));
}
 
Real SP::Ph1::NetworkInjection::getBaseVoltage() const { return mBaseVoltage; }
 
void SP::Ph1::NetworkInjection::setBaseVoltage(Real baseVoltage) {
  mBaseVoltage = baseVoltage;
}
 
void SP::Ph1::NetworkInjection::calculatePerUnitParameters(
    Real baseApparentPower, Real baseOmega) {
  SPDLOG_LOGGER_INFO(mSLog, "#### Calculate Per Unit Parameters for {}",
                     **mName);
  SPDLOG_LOGGER_INFO(mSLog, "Base Voltage={} [V]", mBaseVoltage);
 
  **mVoltageSetPointPerUnit = **mVoltageSetPoint / mBaseVoltage;
 
  SPDLOG_LOGGER_INFO(mSLog, "Voltage Set-Point ={} [pu]",
                     **mVoltageSetPointPerUnit);
  mSLog->flush();
}
 
void SP::Ph1::NetworkInjection::modifyPowerFlowBusType(
    PowerflowBusType powerflowBusType) {
  mPowerflowBusType = powerflowBusType;
}
 
void SP::Ph1::NetworkInjection::updatePowerInjection(Complex powerInj) {
  **mActivePowerInjection = powerInj.real();
  **mReactivePowerInjection = powerInj.imag();
}
 
// #### MNA Section ####
 
void SP::Ph1::NetworkInjection::setParameters(Complex voltageRef,
                                              Real srcFreq) {
  mParametersSet = true;
 
  mSubVoltageSource->setParameters(voltageRef, srcFreq);
 
  SPDLOG_LOGGER_INFO(mSLog,
                     "\nVoltage Ref={:s} [V]"
                     "\nFrequency={:s} [Hz]",
                     Logger::phasorToString(voltageRef),
                     Logger::realToString(srcFreq));
}
 
SimPowerComp<Complex>::Ptr SP::Ph1::NetworkInjection::clone(String name) {
  auto copy = NetworkInjection::make(name, mLogLevel);
  copy->setParameters(**mVoltageRef);
  return copy;
}
 
void SP::Ph1::NetworkInjection::initializeFromNodesAndTerminals(
    Real frequency) {
  // Connect electrical subcomponents
  mSubVoltageSource->connect({SimNode::GND, node(0)});
 
  // Initialize electrical subcomponents
  for (auto subcomp : mSubComponents) {
    subcomp->initialize(mFrequencies);
    subcomp->initializeFromNodesAndTerminals(frequency);
  }
}
 
// #### MNA functions ####
void SP::Ph1::NetworkInjection::mnaParentApplyRightSideVectorStamp(
    Matrix &rightVector) {
  SPDLOG_LOGGER_DEBUG(mSLog, "Right Side Vector: {:s}",
                      Logger::matrixToString(rightVector));
}
 
void SP::Ph1::NetworkInjection::mnaParentAddPreStepDependencies(
    AttributeBase::List &prevStepDependencies,
    AttributeBase::List &attributeDependencies,
    AttributeBase::List &modifiedAttributes) {
  prevStepDependencies.push_back(mIntfCurrent);
  prevStepDependencies.push_back(mIntfVoltage);
  modifiedAttributes.push_back(mRightVector);
}
 
void SP::Ph1::NetworkInjection::mnaParentPreStep(Real time, Int timeStepCount) {
  mnaCompApplyRightSideVectorStamp(**mRightVector);
}
 
void SP::Ph1::NetworkInjection::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 SP::Ph1::NetworkInjection::mnaParentPostStep(
    Real time, Int timeStepCount, Attribute<Matrix>::Ptr &leftVector) {
  mnaCompUpdateCurrent(**leftVector);
  mnaCompUpdateVoltage(**leftVector);
}
 
void SP::Ph1::NetworkInjection::mnaCompUpdateVoltage(const Matrix &leftVector) {
  **mIntfVoltage = **mSubVoltageSource->mIntfVoltage;
}
 
void SP::Ph1::NetworkInjection::mnaCompUpdateCurrent(const Matrix &leftVector) {
  **mIntfCurrent = **mSubVoltageSource->mIntfCurrent;
}
 
void SP::Ph1::NetworkInjection::daeResidual(double ttime, const double state[],
                                            const double dstate_dt[],
                                            double resid[],
                                            std::vector<int> &off) {
  /* New state vector definintion:
   *  state[0]=node0_voltage
   *  state[1]=node1_voltage
   *  ....
   *  state[n]=noden_voltage
   *  state[n+1]=component0_voltage
   *  state[n+2]=component0_inductance (not yet implemented)
   *  ...
   *  state[m-1]=componentm_voltage
   *  state[m]=componentm_inductance
   */
 
  int Pos1 = matrixNodeIndex(0);
  int Pos2 = matrixNodeIndex(1);
  int c_offset = off[0] + off[1]; //current offset for component
  int n_offset_1 =
      c_offset + Pos1 + 1; // current offset for first nodal equation
  int n_offset_2 =
      c_offset + Pos2 + 1; // current offset for second nodal equation
  resid[c_offset] = (state[Pos2] - state[Pos1]) -
                    state[c_offset]; // Voltage equation for Resistor
  //resid[++c_offset] = ; //TODO : add inductance equation
  resid[n_offset_1] += (**mIntfCurrent)(0, 0).real();
  resid[n_offset_2] += (**mIntfCurrent)(0, 0).real();
  off[1] += 1;
}
 
Complex SP::Ph1::NetworkInjection::daeInitialize() {
  (**mIntfVoltage)(0, 0) = (**mSubVoltageSource->mIntfVoltage)(0, 0);
  return (**mSubVoltageSource->mIntfVoltage)(0, 0);
}