不是用电流作为量测量，因为abs可导不好处理。
Signed-off-by: facat <dugg@21cn.com>
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facat
parent
32f96a94f0
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ae2981658e
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@ -1,24 +1,23 @@
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classdef SEOpti
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properties
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mVolt=0;
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mVAngel=0;
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mBranchI=0;
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mBranchP=0;
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mBranchQ=0;
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onlyPG=0;
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onlyQG=0;
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PG=0;
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QG=0;
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sigma=0;
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Busnum=0;
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lineI=0;
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lineJ=0;
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lineR=0;
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lineX=0;
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lineB2=0;
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zerosInjectionIndex=0;
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cmpY=0;
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Balance=0;
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mVolt=NaN;
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mBranchI=NaN;
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mBranchP=NaN;
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mBranchQ=NaN;
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onlyPG=NaN;
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onlyQG=NaN;
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PG=NaN;
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QG=NaN;
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sigma=NaN;
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Busnum=NaN;
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lineI=NaN;
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lineJ=NaN;
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lineR=NaN;
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lineX=NaN;
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lineB2=NaN;
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zerosInjectionIndex=NaN;
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cmpY=NaN;
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Balance=NaN;
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end
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methods
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@ -5,7 +5,6 @@ SEVolt=x(1:this.Busnum);
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SEVAngel=x(this.Busnum+1:2*this.Busnum);
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cmpSEV=SEVolt.*exp(1j*SEVAngel); %复数电压
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PQ=diag(cmpSEV)*conj(this.cmpY*cmpSEV);
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% Constraints=[SEVAngel(Balance)==0,PQ(zerosInjectionIndex)==0];
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out_arg=[real(PQ(this.zerosInjectionIndex));imag(PQ(this.zerosInjectionIndex));];
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out_arg=[out_arg;x(this.Busnum+this.Balance)];
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@ -1,25 +1,24 @@
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function [ Objective ] = fun(this, x )
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%FUN Summary of this function goes here
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% Detailed explanation goes here
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SEVolt=x(1:this.Busnum);
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SEVAngel=x(this.Busnum+1:2*this.Busnum);
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Objective=(SEVolt-this.mVolt)'*(1./this.sigma^2*eye(length(this.mVolt)))*(SEVolt-this.mVolt);%电压
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%% 支路电流
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cmpSEV=SEVolt.*exp(1j*SEVAngel); %复数电压
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cmpSEBranchI=(cmpSEV(this.lineI)-cmpSEV(this.lineJ))./(this.lineR+1j*this.lineX);%复数支路电流
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SEBranchI=abs(cmpSEBranchI);% 支路电流幅值
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Objective=Objective+(SEBranchI-this.mBranchI)'*(1./this.sigma^2*eye(length(this.mBranchI)))*(SEBranchI-this.mBranchI);%%电流
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%% 支路功率
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SEBranchP=real((cmpSEV(this.lineI)-cmpSEV(this.lineJ)).*conj(SEBranchI));
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SEBranchQ=imag((cmpSEV(this.lineI)-cmpSEV(this.lineJ)).*conj(SEBranchI));
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Objective=Objective+(SEBranchP-this.mBranchP)'*(1./this.sigma^2*eye(length(this.mBranchP)))*(SEBranchP-this.mBranchP);
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Objective=Objective+(SEBranchQ-this.mBranchQ)'*(1./this.sigma^2*eye(length(this.mBranchQ)))*(SEBranchQ-this.mBranchQ);
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% %% 0注入节点
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PQ=diag(cmpSEV)*conj(this.cmpY*cmpSEV);
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% zeroInjP=real(PQ(this.zerosInjectionIndex));%% 0注入节点
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% zeroInjQ=imag(PQ(this.zerosInjectionIndex));%% 0注入节点
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%% 发电机注入功率
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Objective=Objective+(this.PG(this.onlyPG)-real(PQ(this.onlyPG)))'*(1./this.sigma^2*eye(length(this.PG(this.onlyPG))))*(this.PG(this.onlyPG)-real(PQ(this.onlyPG)));
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Objective=Objective+(this.QG(this.onlyQG)-imag(PQ(this.onlyQG)))'*(1./this.sigma^2*eye(length (this.QG(this.onlyQG))))*(this.QG(this.onlyQG)-imag(PQ(this.onlyQG)));
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Objective=0;
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SEVolt=x(1:this.Busnum);
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SEVAngel=x(this.Busnum+1:2*this.Busnum);
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Objective=(SEVolt-this.mVolt)'*(1./this.sigma^2*eye(length(this.mVolt)))*(SEVolt-this.mVolt);%电压
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% %% 支路电流
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cmpSEV=SEVolt.*exp(1j*SEVAngel); %复数电压
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cmpSEBranchI=(cmpSEV(this.lineI)-cmpSEV(this.lineJ))./(this.lineR+1j*this.lineX);%复数支路电流
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% SEBranchI=abs(cmpSEBranchI);% 支路电流幅值
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% Objective=Objective+(SEBranchI-this.mBranchI)'*(1./this.sigma^2*eye(length(this.mBranchI)))*(SEBranchI-this.mBranchI);%%电流
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%% 支路功率
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SEBranchP=real((cmpSEV(this.lineI)-cmpSEV(this.lineJ)).*conj(cmpSEBranchI));
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SEBranchQ=imag((cmpSEV(this.lineI)-cmpSEV(this.lineJ)).*conj(cmpSEBranchI));
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Objective=Objective+(SEBranchP-this.mBranchP)'*(1./this.sigma^2*eye(length(this.mBranchP)))*(SEBranchP-this.mBranchP);
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Objective=Objective+(SEBranchQ-this.mBranchQ)'*(1./this.sigma^2*eye(length(this.mBranchQ)))*(SEBranchQ-this.mBranchQ);
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%% 0注入节点
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PQ=diag(cmpSEV)*conj(this.cmpY*cmpSEV);
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%% 发电机注入功率
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Objective=Objective+(this.PG(this.onlyPG)-real(PQ(this.onlyPG)))'*(1./this.sigma^2*eye(length(this.PG(this.onlyPG))))*(this.PG(this.onlyPG)-real(PQ(this.onlyPG)));
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Objective=Objective+(this.QG(this.onlyQG)-imag(PQ(this.onlyQG)))'*(1./this.sigma^2*eye(length (this.QG(this.onlyQG))))*(this.QG(this.onlyQG)-imag(PQ(this.onlyQG)));
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end
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@ -0,0 +1,24 @@
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function [ this ] = init(this,Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,PG,QG,Balance,mBranchI,mBranchP )
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%INIT Summary of this function goes here
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% Detailed explanation goes here
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this.mVolt=mVolt;
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this.sigma=sigma;
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this.Busnum=Busnum;
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this.lineI=newwordParameter.line.lineI;
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this.lineJ=newwordParameter.line.lineJ;
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this.lineR=newwordParameter.line.lineR;
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this.lineX=newwordParameter.line.lineX;
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this.lineB2=newwordParameter.line;
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this.zerosInjectionIndex=zerosInjectionIndex;
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this.cmpY=cmpY;
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this.onlyPG=onlyPG;
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this.onlyQG=onlyQG;
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this.PG=PG;
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this.QG=QG;
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this.Balance=Balance;
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this.mBranchI=mBranchI;
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this.mBranchP=mBranchP;
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this.mBranchQ=mBranchQ;
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end
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@ -1,4 +1,4 @@
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function [ this ] = init(this,Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,PG,QG,Balance )
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function [ this ] = init(this,Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,PG,QG,Balance,mBranchI,mBranchP,mBranchQ )
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%INIT Summary of this function goes here
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% Detailed explanation goes here
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this.mVolt=mVolt;
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@ -16,6 +16,9 @@ function [ this ] = init(this,Busnum, mVolt,sigma,newwordParameter,zerosInjectio
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this.PG=PG;
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this.QG=QG;
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this.Balance=Balance;
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this.mBranchI=mBranchI;
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this.mBranchP=mBranchP;
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this.mBranchQ=mBranchQ;
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end
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15
run.m
15
run.m
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@ -10,7 +10,7 @@ addpath('.\Powerflow')
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% 电压 相角
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%%
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%% 开始生成量测量
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sigma=0.05;% ±ê×¼²î
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sigma=0.0005;% ±ê×¼²î
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%% 电压
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%电压幅值
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rVolt=Volt; %幅值
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@ -53,7 +53,7 @@ mPG=rPG.*(normrnd(0,sigma,length(rPG),1)+1);
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mQG=rQG.*(normrnd(0,sigma,length(rQG),1)+1);
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%% 冗余度计算
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stateVarCount=2*length(Volt);
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measurements=length(mVolt)+length(mI)+length(mBranchI)+length(mBranchP)+length(mBranchQ)+length(mPG)+length(mQG);
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measurements=length(mVolt)+length(mBranchP)+length(mBranchQ)+length(mPG)+length(mQG);
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fprintf('冗余度 %f\n',measurements/stateVarCount);
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%% 进入状态估计计算
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% SEVolt=sdpvar(length(Volt),1,'full');
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@ -95,12 +95,17 @@ onlyQG=setdiff(QGi,PDQDi);
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%% Opti ToolBox
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Busnum=length(Volt);
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seOpti=SEOpti();
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seOpti=seOpti.init(Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY ,onlyPG,onlyQG,PG,QG,Balance);
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seOpti=seOpti.init(Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,PG,QG,Balance,rBranchI,mBranchP,mBranchQ );
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nlrhs=seOpti.nlrhs();
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nle=seOpti.nle();
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Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'nlmix',@seOpti.equ,nlrhs,nle)
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x0=ones(Busnum*2,1);
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opts = optiset('solver','ipopt');
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opts.maxiter=2500;
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opts.display='iter';
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% Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'nlmix',@seOpti.equ,nlrhs,nle,'options',opts)
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Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'options',opts)
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x0=[ones(Busnum,1);zeros(Busnum,1)];
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[x,fval,exitflag,info] = solve(Opt,x0);
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info
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%% 输出结果
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SEVolt=x(1:length(Volt));
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SEVAngel=x(length(Volt)+Balance:2*length(Volt));
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