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基于matpower的電力系統(tǒng)潮流計算-預覽頁

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【正文】 函數(shù)的雅可比矩陣;DX為需要求的修正值;DF為不平衡的列向量。MATPOWER特點是簡單、易懂且程序代碼公開,這為電力系統(tǒng)專業(yè)學生深入學習和理解掌握潮流計算中的難點(如節(jié)點導納矩陣、算法及迭代過程等)提供了一個開放、便捷的平臺。239。3 1 370 130 0 0 1 1 0 100 1 。%% generator data% bus PgQgQmaxQmin Vg mbase status PmaxPmin =[ 4 500 0 999909999 100 1 600 0。3 1 0 0 0 0 0 0 1360 360。]。s method power flow converged in 5 in seconds ======================= System Summary ======================= How many? How much? P(MW)Q(MVAr)Buses 5 Total Gen Capacity to Generators 2 Online Capacity to Committed Gens2Generation Loads 3 Load Fixed 3 Fixed Dispatchable0 of Shunts 0 Shunt(inj) Branches 5 Losses(I^2 * Z) Transformers 2 Branch Charging(inj)—— Interties 0 Total Intertie Flow Areas 1 Minimum MaximumVoltage Magnitude . bus 1 . bus 2 Voltage deg bus 1 deg bus 4 P Losses(I^2*R) MVAr line 21======================= Bus Data ======================= Bus Voltage Generation Load Mag(pu)Ang(deg)P(MW)Q(MVAr)P(MW)Q(MVAr)1 3 : ======================= Branch Data ======================= Brnch From To From Bus Injection To Bus Injection Loss(I^2 * Z) Bus Bus P(MW)Q(MVAr)P(MW)Q(MVAr)P(MW)Q(MVAr)1 2 1 2 3 1 3 3 4 3 5 2 : 最后向讀者介紹幾款常用的潮流計算軟件:。ph=input(‘n請輸入平衡母線的節(jié)點號:ph=’); B1=input(‘n請輸入支路信號:B1=’)。f=zeros(1,n);no=2*ph=1; Y(q,q)=Y(q,q)+1./B1(i3)+B1(i4)/2;End for i=1:nG=real(Y)。End f(i)=imag(B2(i3))。p=B1(i2)。J=jacci(Y,G,B,P,Q,e,f,V,C,D,B2,n,ph,no)。max(abs(Dfi)ipt=t+1。for i=1:n hh(i)=conj(Y(ph,i)*v(i))。jd=angle(v)*180/p。c(i)=v(B1(i2))*a(i)j*B1(i4)*v(B1(i2))^2/2。D(i)=0。Q1=C(i)*f(i)D(i)*e(i)。p=p+1。Df(p)=Q(i)Q1。DX1=DX。For i=(no+2):(x1+2)DX(i)=DX1(i2)。For i=1:2:x K=k+1。X2=G(i,j)*e(i)+B(i,j)*f(i)。continue q=2*j1。J=ph J(m,q)=X3。J(p,q)=X2。X1=D(i)+G(i,j)*f(i)B(i,j)*e(i)。X3=0。P=2*i1。J(p,q)=X1。J(m,q)=X3。J(p,q)=X2。end q=2*j1。if ph=n q=q+1。J(m,q)=X4。cess dyn鋤ic Voltage stabil時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)安全分析的全過程動態(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)電機勵磁系統(tǒng)數(shù)學模型及參 數(shù)對電網(wǎng)動態(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【J】.Relay,2007,35(2 1):2227.[7] 方思立,朱方.快速勵磁系統(tǒng)對系統(tǒng)穩(wěn)定的影響[J】.中 國電機工程學報,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)電機勵磁控制[M】.北京: 中國電力出版社,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.淺談自并勵勵磁系統(tǒng)在大容量機組 中的應用【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】. ReIa
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