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基于psasp的電力系統(tǒng)潮流計(jì)算(編輯修改稿)

2024-11-04 03:12 本頁(yè)面
 

【文章內(nèi)容簡(jiǎn)介】 1。p=p+1。Df(p)=Q(i)Q1。end end end Df=Df’。If ph=n Df(noJ=[]。endfunction [De,Df]=hxf(J,Df,ph,n,no)%該子函數(shù)是為求取De Df DX=JDf。DX1=DX。x1=length(DX1)。if ph=n DX(no)=0。DX(no+1)=0。For i=(no+2):(x1+2)DX(i)=DX1(i2)。End ElseDX=[DX1,0,0]。End k=0。[x,y]=size(DX)。For i=1:2:x K=k+1。Df(k)=DX(i)。De(k)=DX(i+1)。End End case 2 Function for j=1:n J=jacci(Y,G,B,PQ,e,f,V,C,D,B2,n,ph,no)X1=G(i,j)*f(i)B(i,j)*e(i)。X2=G(i,j)*e(i)+B(i,j)*f(i)。%該子程序是用來(lái)求取jacci矩陣for i=1:n X3=0。switch B2(i4)X4=0。case 3 P=2*i1。continue q=2*j1。case 1 J(p,q)=X1。for j=1:n m=p+1。ifJ=amp。J=ph J(m,q)=X3。X1=G(i)*f(i)B(i,j)*e(i)。q=q+1。X2=G(i,j)*e(i)+B(i,j)*f(i)。J(p,q)=X2。X3=X2。J(m,q)=X4。X4=X1。X1=D(i)+G(i,j)*f(i)B(i,j)*e(i)。p=2*i1。X2=C(i)+G(i,j)*e(i)+B(i,j)*f(i)。q=2*j1。X3=0。J(p,q)=X1。X4=0。m=p+1。P=2*i1。J(p,q)=X2。q=2*j1。J(m,q)=X4。J(p,q)=X1。Else if j=amp。j=jph m=p+1。X1=D(i)+G(i,j)*f(i)B(i,j)*e(i)。J(m,q)=X3。X2=C(i)+G(i,j)*e(i)+B(i,j)*f(i)。q=q+1。X3= C(i)+G(i,j)*e(i)B(i,j)*f(i)。J(p,q)=X2。X4= C(i)+G(i,j)*f(i)B(i,j)*e(i)。J(m,q)=X4。P=2*i1。end q=2*j1。end J(p,q)=X1。end m=p+1。end J(m,q)=X3。if ph=n q=q+1。J(no:)=[]。J(p,q)=X2。J(no:)=[]。J(m,q)=X4。J(:,no)=[]。End J(:,no)=[]。End2實(shí)例驗(yàn)證 【例題】設(shè)有一系統(tǒng)網(wǎng)絡(luò)結(jié)線見(jiàn)圖1,各支路阻抗和各節(jié)點(diǎn)功率均已以標(biāo)幺值標(biāo)示于圖1中,其中節(jié)點(diǎn)2連接的是發(fā)電廠,設(shè)節(jié)點(diǎn)1電壓保持U1=,試計(jì)算其中的潮流分布,請(qǐng)輸入節(jié)點(diǎn)數(shù):n=5 請(qǐng)輸入支路數(shù):m=7 請(qǐng)輸入平衡母線的節(jié)點(diǎn)號(hào):ph=l 請(qǐng)輸入支路信息:BI=[ l 2 0.02+0.06i O l 1;1 3 0.08+0.24i 0 1 2;2 3 0.06+0.18i 0 l 3: 2 4 0.06+0.18i O l 4: 2 5 0.04+0.12i 0 l 5: 3 4 0.01+0.03i 0 l 6: 4 5 0.08+0.24i O 1 7] 請(qǐng)輸入節(jié)點(diǎn)信息:B2=[ 0 0 1.06 3;0.2+0.20i 0 1 1;一O.45一O.15i 0 l l;一0.40.05i 0 l 1;一0.6—0.1i 0 1 l] 請(qǐng)輸入節(jié)點(diǎn)號(hào)及對(duì)地阻抗: A=[l 0;2 0;3 0;4 0;5 O ] 請(qǐng)輸入修正值:ip=0.000 0l參考文獻(xiàn)[1]陳珩.電力系統(tǒng)穩(wěn)定分析[M].北京:中國(guó)電力出版社,2002:139—187.[2]鄭阿奇.MATLAB實(shí)用教程[M].北京:電子工業(yè)出版社,2005:1243.[3] 束洪春,孫士云,等.云電送粵交商流混聯(lián)系統(tǒng)全過(guò) 程動(dòng)態(tài)電壓研究[J】.中國(guó)電力,2008,4l(10):l4. SHU Hong—ch吼,SUN Shiyun,et a1.Research on fun prc39。cess dyn鋤ic Voltage stabil時(shí)of hybrid AC/DC poWer tmnsmission System舶m Yu衄an proVince to G啪gdong province【J】.Electric Power,2008,4l(10): l4.[4] 朱新立,湯涌,等.大電網(wǎng)安全分析的全過(guò)程動(dòng)態(tài)仿 真技術(shù)[J】.電網(wǎng)技術(shù),2008,32(22):23—28. SONG Xin—Ii,TANG Yof唱,et a1. Full dyn鋤ic simulation for the stabilhy a眥lysis of large power system【J】.Power System融IlrIolo影,2008,32(22): 23.28.[5]Roytelm鋤I,Shallidehpour S M.A prehsivc long teml dynaIIlic simulation for powcr system recoVery【J】. IEEE Transactions 0n Power Systems,1994,9(3). [6] 石雩梅,汪志宏,等.發(fā)電機(jī)勵(lì)磁系統(tǒng)數(shù)學(xué)模型及參 數(shù)對(duì)電網(wǎng)動(dòng)態(tài)穩(wěn)定性分析結(jié)果影響的研究[J】.繼電 器,2007,35(21):2227.SHI Xue.mei,WANG Zllihon舀et a1.Iksearch on the innuence of g鋤e翰to璐baScd ∞de詛iled excitation system models柚d parameterS t0 power鏟id dyn鋤ic stabil時(shí)【J】.Relay,2007,35(2 1):2227.[7] 方思立,朱方.快速勵(lì)磁系統(tǒng)對(duì)系統(tǒng)穩(wěn)定的影響[J】.中 國(guó)電機(jī)工程學(xué)報(bào),1986,6(1):20.28.FANG Si.1i,ZHU Fang.The effbct of f弧t.respon∞excitation system on the stability of power netwofk【J】. Proceedings ofthe CSEE,1986,6(1):2028.[8] 劉?。娏ο到y(tǒng)穩(wěn)定性及發(fā)電機(jī)勵(lì)磁控制[M】.北京: 中國(guó)電力出版社,2007.LIU Qu.Power system S詛bility鋤d generator excitation control【M】.BeUing:ChiIla Electric Powef Press,2007. [9] Dallachy J L,Anderson T.EXperience with rcplacing ro詛ting exciters wim static exciters【J】.1k InStitution of Electrical Engineers,1 996.[10] 陳利芳,陳天祿.淺談自并勵(lì)勵(lì)磁系統(tǒng)在大容量機(jī)組 中的應(yīng)用【J】.繼電器,2007,35(1):8l培4. CHEN Lif抽島CHEN Tian—lIL Application of 辯l仁exci組tion mode in large capacity髫memtor unit【J】. ReIay39。2007,35(1):8184.[11] 方思立,劉增煌,孟慶和.大型汽輪發(fā)電機(jī)自并勵(lì)勵(lì) 磁系統(tǒng)的應(yīng)用條件【J].中國(guó)電力,1994,27(12):61.63. FANG Si.Ii,LIU Zenghu鋤g,MENG Qin爭(zhēng)hc.m application conditions of large turbine generator selfexcitation system【J】.Electric Powef,1994,27(12): 61.63.[12]梁小冰,黃方能.利用EMTDC進(jìn)行長(zhǎng)持續(xù)時(shí)間過(guò)程 的仿真研究【J】.電網(wǎng)技術(shù),2002,26(9):55.57. LIANG Xiaobing,HUANG Fan爭(zhēng)眥ng.How to cany out simulalion of long dul‘a(chǎn)tion processes by use of EMTDC【J】.Power System 11echnology,2002,26(9): 5557.[13]王卉,陳楷,彭哲,等.?dāng)?shù)字仿真技術(shù)在電力系統(tǒng)中 的應(yīng)用及常用的幾種數(shù)字仿真工具【J】.繼電器,2004,32(21):7l一75.wANG Hui,CHEN Kai,PENG zhe,et a1.Application of digital simulation眥hniques棚d severaJ simulation tools in power system[J】.Relay,2004,32(21):7175.[14]IEEE Power Engmeering Socie哆.IEEE std 421.5.2005 IEEE玎ccOmmended practice for excitation system models for power system stabiI時(shí)studies【s】.第四篇:電力系統(tǒng)潮流計(jì)算程序電力系統(tǒng)潮流計(jì)算c語(yǔ)言程序,兩行,大家可以看看,仔細(xì)研究,然后在這個(gè)基礎(chǔ)上修改。謝謝include “” include include include include“” include“” include“” using namespace std。int _tmain(int argc, _TCHAR* argv[]){int i。//i作為整個(gè)程序的循環(huán)變量int N=Bus::ScanfBusNo()。//輸入節(jié)點(diǎn)個(gè)數(shù)int L=Line::ScanflineNo()。//輸入支路個(gè)數(shù)if((Lamp。amp。N)==0){return 0。} //如果找不到兩個(gè)文件中的任意一個(gè),退出Line *line=new Line[L]。//動(dòng)態(tài)分配支路結(jié)構(gòu)體Line::ScanfLineData(line)。//輸入支路參數(shù)Line::PrintfLineData(line,L)。//輸出支路參數(shù)Bus *bus=new Bus[N]。//動(dòng)態(tài)分配結(jié)點(diǎn)結(jié)構(gòu)體for(int i=0。ibus[i].=0。bus[i].=0。}Bus::ScanfBusData(bus)。//輸入節(jié)點(diǎn)參數(shù)Bus::PrintfBusData(bus,N)。//輸出結(jié)點(diǎn)參數(shù)Complex **X。X=new Complex *[N]。for(i=0。iBus::JisuanNodeDnz(X,line,bus,L,N)。//計(jì)算節(jié)點(diǎn)導(dǎo)納矩陣Bus::PrintfNodeDnz(X,N)。//輸出節(jié)點(diǎn)導(dǎo)納矩陣int NN=(N1)*2。double **JacAug。JacAug=new double *[NN]。for(i=0。idouble *x。x=new double[NN]。int count=1。LOOP:Bus::JisuanNodeI(X,bus,N)。//計(jì)算節(jié)點(diǎn)注入電流Bus::JisuanNodeScal(X,bus,N)。//計(jì)算節(jié)點(diǎn)功率Bus::JisuanNodeScal(X,bus,N)。//計(jì)算節(jié)點(diǎn)功率Bus::JisuanNodeSdelta(bus,N)。//計(jì)算節(jié)點(diǎn)功率差值Bus::PrintfNodeScal(X,bus,N)。//輸出
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