hybrid.cpp

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/*
 * hybrid.cpp - hybrid class implementation
 *
 * Copyright (C) 2011 Michael Margraf <michael.margraf@alumni.tu-berlin.de>
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this package; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
 * Boston, MA 02110-1301, USA.  
 *
 * $Id: hybrid.cpp 1825 2011-03-11 20:42:14Z ela $
 *
 */

#if HAVE_CONFIG_H
# include <config.h>
#endif

#include "component.h"
#include "hybrid.h"

hybrid::hybrid () : circuit (4) {
  type = CIR_HYBRID;
}

void hybrid::initSP (void) {
  nr_complex_t p = polar (1.0, rad (getPropertyDouble ("phi")));
  nr_double_t  k = M_SQRT2;

  allocMatrixS ();
  setS (NODE_1, NODE_1, 0.0); setS (NODE_2, NODE_2, 0.0);
  setS (NODE_3, NODE_3, 0.0); setS (NODE_4, NODE_4, 0.0);

  setS (NODE_1, NODE_2, 0.0); setS (NODE_2, NODE_1, 0.0);
  setS (NODE_3, NODE_4, 0.0); setS (NODE_4, NODE_3, 0.0);

  setS (NODE_1, NODE_3, k); setS (NODE_3, NODE_1, k);
  setS (NODE_1, NODE_4, k); setS (NODE_4, NODE_1, k);
  setS (NODE_2, NODE_3, k); setS (NODE_3, NODE_2, k);

  setS (NODE_2, NODE_4, k * p);
  setS (NODE_4, NODE_2, k * p);
}

void hybrid::initDC (void) {
  setVoltageSources (2);
  setInternalVoltageSource (1);
  allocMatrixMNA ();
  voltageSource (VSRC_1, NODE_1, NODE_3);
  voltageSource (VSRC_2, NODE_2, NODE_4);
}

void hybrid::initAC (void) {
  nr_double_t  k = 2.0 * M_SQRT2;
  nr_complex_t p = polar (1.0, rad (getPropertyDouble ("phi")));
  nr_complex_t d = 2.0 * p * (p - 4.0) - 1.0;
  nr_complex_t y;

  setVoltageSources (0);
  allocMatrixMNA ();
  d *= getPropertyDouble ("Zref");

  y = (-6.0*p*p + 8.0*p - 1.0) / d;
  setY (NODE_1, NODE_1, y); setY (NODE_3, NODE_3, y);

  y = (-2.0*p*p + 8.0*p - 5.0) / d;
  setY (NODE_2, NODE_2, y); setY (NODE_4, NODE_4, y);

  y = 2.0*k * (p * (p - 1.0) - 0.5) / d;
  setY (NODE_1, NODE_3, y); setY (NODE_3, NODE_1, y);

  y = k * (p - 2.0) / d;
  setY (NODE_2, NODE_4, y); setY (NODE_4, NODE_2, y);

  y = k * (-2.0*p + 1.0) / d;
  setY (NODE_1, NODE_4, y); setY (NODE_4, NODE_1, y);
  setY (NODE_2, NODE_3, y); setY (NODE_3, NODE_2, y);

  y = (4.0*p + 4.0) / d;
  setY (NODE_1, NODE_2, y); setY (NODE_2, NODE_1, y);
  setY (NODE_3, NODE_4, y); setY (NODE_4, NODE_3, y);
}

void hybrid::initTR (void) {
  initDC ();
}

// properties
PROP_REQ [] = {
  { "phi", PROP_REAL, { 0, PROP_NO_STR },  PROP_RNGII (-180, +180) },
  PROP_NO_PROP };
PROP_OPT [] = {
  { "Zref", PROP_REAL, { 50, PROP_NO_STR }, PROP_POS_RANGE },
  PROP_NO_PROP };
struct define_t hybrid::cirdef =
  { "Hybrid", 4, PROP_COMPONENT, PROP_NO_SUBSTRATE, PROP_LINEAR, PROP_DEF };