runpsat.m

基于PSAT 软件的多目标最优潮流计算用于中小型电力系统的分析和管理

function runpsat(varargin)
% RUNPSAT run PSAT routine for power system analysis
%
% RUNPSAT([FILE,[PATH]],[PERTFILE,[PERTPATH]],ROUTINE)
%
%   FILE:     string containing the PSAT data file (can be a
%             simulink model)
%   PATH:     string containing the absolute path of the data
%             file (default path is "pwd")
%   PERTFILE: string containing the PSAT perturbation file
%             (default is the empty string)
%   PERTPATH: string containing the absolute path of the
%             perturbation file (default is the empty string)
%   ROUTINE:  name of the routine to be launched:
%
%     General options:
%
%       'data'    => set data file
%       'pert'    => set perturbation file
%       'opensys' => open saved system
%       'savsys'  => save currenst system
%       'pfrep'   => write power flow solution
%       'eigrep'  => write eigenvalue report file
%       'pmurep'  => write PMU placement report file
%       'plot'    => plot TD results (Octave only)
%
%     Routines:
%
%       'pf'      => power flow
%       'cpf'     => continuation power flow
%       'snb'     => SNB computation (direct method)
%       'limit'   => LIB computation
%       'n1cont'  => N-1 contingency analysis
%       'opf'     => optimal power flow
%       'cpfatc'  => ATC computation through CPF analysis
%       'sensatc' => ATC computation through sensitivity
%                    analysis
%       'td'      => time domain simulation
%       'sssa'    => small signal stability analysis
%       'pmu'     => PMU placement
%       'gams'    => OPF through PSAT-GAMS interface
%       'uw'      => CPF through PSAT-UWPFLOW interface
%
%Author:    Federico Milano
%Date:      23-Feb-2004
%Version:   1.0.0
%
%E-mail:    [e-mail]
%Web-site:  http://thunderbox.uwaterloo.ca/~fmilano
%
% Copyright (C) 2002-2006 Federico Milano

fm_var

% last input is the routine type
if nargin == 0
  disp('Error: runpsat needs at least one argument.')
  return
end
routine = varargin{nargin};
if isnumeric(routine)
  fm_disp('Routine specifier must be a string.')
  return
end

% Simulink models are not supported on GNU/Octave
if Settings.octave & strcmp(routine,'data') & ...
      ~isempty(findstr(varargin{1},'.mdl'))
  fm_disp('Simulink models are not supported on GNU/Octave')
  return
end

% check if the data file has been changed
changedata = strcmp(routine,'data');
if nargin > 1
  changedata = changedata | ~strcmp(varargin{1},File.data);
end

if changedata, Settings.init = 0; end

% check inputs
switch nargin
 case 5
  File.data = varargin{1};
  Path.data = checksep(varargin{2});
  File.pert = varargin{3};
  Path.pert = checksep(varargin{4});
 case 4
  File.data = varargin{1};
  Path.data = checksep(varargin{2});
  File.pert = varargin{3};
  Path.pert = [pwd,filesep];
 case 3
  switch routine
   case 'data'
    File.data = varargin{1};
    Path.data = checksep(varargin{2});
   case 'pert'
    File.pert = varargin{1};
    Path.pert = checksep(varargin{2});
   case 'opensys'
    datafile = varargin{1};
    datapath = checksep(varargin{2});
   otherwise
    File.data = varargin{1};
    Path.data = checksep(varargin{2});
    File.pert = '';
    Path.pert = '';
  end
 case 2
  switch routine
   case 'data'
    File.data = varargin{1};
    Path.data = [pwd,filesep];
   case 'pert'
    File.pert = varargin{1};
    Path.pert = [pwd,filesep];
   case 'opensys'
    datafile = varargin{1};
    datapath = [pwd,filesep];
   case 'plot'
    % nothing to do...
   otherwise
    File.data = varargin{1};
    Path.data = [pwd,filesep];
    File.pert = '';
    Path.pert = '';
  end
 case 1
  % nothing to do...
 otherwise
  error('Invalid number of arguments: check synthax...')
end

% remove extension from data file (only Matlab files)
if length(File.data) >= 2 & strcmp(routine,'data')
  if strcmp(File.data(end-1:end),'.m')
    File.data = File.data(1:end-2);
  end
end

% remove extension from perturbation file (only Matlab files)
if length(File.pert) >= 2 & strcmp(routine,'pert')
  if strcmp(File.pert(end-1:end),'.m')
    File.pert = File.pert(1:end-2);
  end
end

% set local path as data path to prevent undesired change
% of path within user defined functions
Path.local = Path.data;

% check if the data file is a Simulink model
File.data = strrep(File.data,'.mdl','(mdl)');

if ~isempty(findstr(File.data,'(mdl)'))
  filedata = deblank(strrep(File.data,'(mdl)','_mdl'));
  if exist(filedata) ~= 2 | clpsat.refreshsim | strcmp(routine,'data')
    check = sim2psat;
    if ~check, return, end
    File.data = filedata;
  end
end

% launch PSAT computations
switch routine
 case 'data' % set data file
  % checking the consistency of the data file
  localpath = pwd;
  cd(Path.data)
  check = exist(File.data);
  cd(localpath)
  if check ~= 2 & check ~= 4
    fm_disp(['Warning: The selected file is not valid or not in the ' ...
             'current folder!'])
  end
 case 'pert' % set perturbation file
  localpath = pwd;
  cd(Path.pert)
  check = exist(File.pert);
  cd(localpath)
  % checking the consistency of the pert file
  if check ~= 2
    fm_disp(['Warning: The selected file is not valid or not in the ' ...
             'current folder!'])
  else
    localpath = pwd;
    cd(Path.pert)
    if Settings.hostver >= 6
      Hdl.pert = str2func(File.pert);
    else
      Hdl.pert = File.pert;
    end
    cd(localpath)
  end
 case 'opensys'
  fm_set('opensys',datafile,datapath)
  Settings.init = 0;
 case 'savesys'
  fm_set('savesys')
 case 'log'
  fm_text(1)
 case 'pfrep'
  fm_report
 case 'eigrep'
  fm_eigen('report')
 case 'pf'   % solve power flow

  if isempty(File.data)
    fm_disp('Set a data file before running Power Flow.',2)
    return
  end

  if clpsat.readfile | Settings.init == 0
    fm_inilf
    filedata = [File.data,'  '];
    filedata = strrep(filedata,'@ ','');

    if ~isempty(findstr(filedata,'(mdl)')) & clpsat.refreshsim
      filedata1 = File.data(1:end-5);
      open_sys = find_system('type','block_diagram');
      OpenModel = sum(strcmp(open_sys,filedata1));
      if OpenModel
        if strcmp(get_param(filedata1,'Dirty'),'on') | ...
              str2num(get_param(filedata1,'ModelVersion')) > Settings.mv
          check = sim2psat;
          if ~check, return, end
        end
      end
    end
    cd(Path.data)
    filedata = deblank(strrep(filedata,'(mdl)','_mdl'));
    a = exist(filedata);
    clear(filedata)
    if a == 2,
      b = dir([filedata,'.m']);
      lasterr('');
      %if ~strcmp(File.modify,b.date)
      try
        fm_disp('Load data from file...')
        eval(filedata);
        File.modify = b.date;
      catch
        fm_disp(lasterr),
        fm_disp(['Something wrong with the data file "',filedata,'"']),
        return
      end
      %end
    else
      fm_disp(['File "',filedata,'" not found or not an m-file'],2)
    end
    cd(Path.local)
    Settings.init = 0;
  end

  if Settings.init

    SW = restore(SW);
    PV = restore(PV);
    PQ = restore(PQ);
    DAE.n = DAE.npf;

  end

  filedata = deblank(strrep(File.data,'(mdl)','_mdl'));
  if Settings.static % do not use dynamic components
    for i = 1:Comp.n
      comp_num = Comp.number{i};
      comp_name = strrep(comp_num,'.n','.con');
      comp_con = eval(['~isempty(',comp_name,')']);
      if comp_con & ~Comp.prop(i,6)
        eval([comp_name,' = [];']);
      end
    end
  end

  fm_spf
  SNB.init = 0;
  LIB.init = 0;
  CPF.init = 0;
  OPF.init = 0;

 case 'opf'  % solve optimal power flow
  fm_set('opf')
 case 'cpf'  % solve continuation power flow
  fm_cpf('main');
 case 'cpfatc'  % find ATC of the current system
  opftype = OPF.type;
  OPF.type = 4;
  fm_atc
  OPF.type = opftype;
 case 'sensatc'
  opftype = OPF.type;
  OPF.type = 5;
  fm_atc
  OPF.type = opftype;
 case 'n1cont'
  fm_n1cont;
 case 'td'   % solve time domain simulation
  fm_int
 case 'sssa' % solve small signal stability analyisis
  fm_eigen('runsssa')
 case 'snb'
  fm_snb

 case 'lib'
  fm_limit

 case 'pmu'
  fm_pmuloc;

 case 'pmurep'
  fm_pmurep;

 case 'gams' % solve OPF using the PSAT-GAMS interface
  fm_gams

 case 'uw'   % solve CPF using the PSAT-UWPFLOW interface
  fm_uwpflow('init')
  fm_uwpflow('uwrun')

 case 'plot'
  if ~Settings.octave
    fm_disp('This option is supported only on GNU/Octave')
    return
  end
  if isempty(Varout.t)
    fm_disp('No data is available for plotting')
    return
  end
  if nargin == 2
    value = varargin{1};
  else
    value = menu('Plot variables:','States','Voltages',['Active ' ...
                 'Powers'],'Reactive Powers',['Generator ' ...
                 'speeds'],'Generator angles');
  end
  switch value
   case 1
    if ~DAE.n
      fm_disp('No dynamic component is loaded')
      return
    end
    octplot(DAE.n,Varout.t,Varout.vars(:,[1:DAE.n]),Varname.uvars)
   case 2
    if ~Bus.n
      fm_disp('No bus is present in the current network')
      return
    end
    idx0 = DAE.n;
    octplot(Bus.n,Varout.t,Varout.vars(:,[idx0+1:idx0+Bus.n]), ...
            Varname.uvars(idx0+1:idx0+Bus.n))
   case 3
    if ~Bus.n
      fm_disp('No bus is present in the current network')
      return
    end
    idx0 = DAE.n+2*Bus.n+2*Syn.n+Exc.n+Oxl.n;
    octplot(Bus.n,Varout.t,Varout.vars(:,[idx0+1:idx0+Bus.n]), ...
            Varname.uvars(idx0+1:idx0+Bus.n))
   case 4
    if ~Bus.n
      fm_disp('No bus is present in the current network')
      return
    end
    idx0 = DAE.n+3*Bus.n+2*Syn.n+Exc.n+Oxl.n;
    octplot(Bus.n,Varout.t,Varout.vars(:,[idx0+1:idx0+Bus.n]), ...
            Varname.uvars(idx0+1:idx0+Bus.n))
   case 5
    if ~Syn.n
      fm_disp('No synchronous generator is loaded')
      return
    end
    octplot(Syn.n,Varout.t,Varout.vars(:,Syn.omega), ...
            Varname.uvars(Syn.omega))
   case 6
    if ~Syn.n
      fm_disp('No synchronous generator is loaded')
      return
    end
    octplot(Syn.n,Varout.t,Varout.vars(:,Syn.delta), ...
            Varname.uvars(Syn.delta))
  end
 otherwise   % give an error message and exit
  error(['"',routine,'" is an invalid routine identifier.'])
end

% ----------------------------------------------------------------
function octplot(n,x,y,s,xl)

global Settings

plot(x,y(:,1),['1;',s{1},';'])
disp(n)
hold on
for i = 2:n
  FMT = [num2str(rem(i-1,6)+1),';',s{i},';'];
  plot(x,y(:,i),FMT)
end
xlabel(Settings.xlabel)
hold off

% ----------------------------------------------------------------
function string = checksep(string)

if ~strcmp(string(end),filesep)
  string = [string,filesep];
end