新手求助配电网潮流分析

shirleyy

请问下配电网基本的分析软件常用的有哪些？计算潮流，短路故障等，我查到的有opendss，pss/adept等，不知道是不是可以直接应用
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因为后期要与matlab接口，担心这些软件接口不好做，我目前想直接用matlab编程来计算配网潮流，用前推回代法，目前只编写了一个辐射配网的程序，无环网，无分布式电源，还比较简单，后期加如这些的话不知道实现起来难度大不大

我是新手，怕走弯路，想听听大家的建议
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& Z0 C1 @  i$ h' {" E* R拜谢大家

shirleyy

唉，没人回答，自言自语吧
我用matlab编写的基于功率来前推回代的程序，算出来和别人的基于电流前推回代的程序总是差那么一点，小数点后一位基本相同，后面就不同了，检查了半天也没看出有什么错误，不知道会不会因为算法不同呢

爵爷

路过 学习学习

macdelight7

use MATPOWER for load flow analysis
$ ~  f6 \+ c. k3 Y% B( f; u- O( V6 Vhttp://www.pserc.cornell.edu/matpower/
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5 Z+ J9 m% |' o: L3 s: BIt's free and easy to use. All you need is your distribution network data.

shirleyy

use MATPOWER for load flow analysis
http://www.pserc.cornell.edu/matpower/
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' O. E4 I2 Q! |+ g/ H1 I" @3 c7 vIt's free and easy to ...
2 H# ^! ?7 A1 L2 Q. E3 N# O9 A( ^macdelight7 发表于 2011-1-11 08:00

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4 p0 `" Y& _0 H& i2 n" ~: |$ e2 w    可以用来算配网的吗？
算输电网的倒是很多软件。。。

macdelight7

回复 5# shirleyy


, J2 A" a9 f8 X: }3 O    I don't see a reason why you can't use it. The underline models of such algorithm are purely based on those described in the power system text books.

: g( S8 P" M0 S- j( L. @0 KSome of the difference between distribution and transmission networks are:
- voltage level, line data, circuit configuration
- network topology
9 R) m* R. i2 G2 O - different protection setting

Distribution company in Australia uses PSSE for modelling their network at voltage level 132kV, 66kV, 33kV, 11kV and alike.
- _" @$ a2 V. I! X7 |The sole reason that you don't use simulation software for network modelling is when the network is radially connected (i.e. does not form a ring circuit at all). In such case, the calcualtion is rather straightforwad. They can be viewed as discrete branches.

Notice MATPOWER has limited modelling capability and doesn't have a user friendly interface. MATPOWER is a good tool for academic purpose and it's free.

shirleyy

回复  shirleyy
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: p* T  e( b- Y7 }* E    I don't see a reason why you can't use it. The underline models of such alg ...
6 [, W6 C0 n9 ?) ymacdelight7 发表于 2011-1-12 06:29

                               
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) v" X, {: N; B2 g    没太明白你说的，配网和大网的结构，r、x比值不一样，算法上用大网的有时不收敛啊

macdelight7

没太明白你说的，配网和大网的结构，r、x比值不一样，算法上用大网的有时不收敛啊
1 C" H1 W3 m; lshirleyy 发表于 2011-1-12 10:03

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, F6 f+ E; e- p- b" V/ d4 D# oX/R ratio is already considered in the model. What do you mean by "不收敛"???

As far as I know, the distribution utility here in Australia uses PSSE for their network.
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Some example of the bus data cut from the .raw file:

" 9168,'pd1    ',   0.4150,2,  38, 838, 823,1.01300,   0.0000
  9300,'zsa',  11.0000,1,  47, 820, 847,1.01300,   0.0000
" b& q& M% g2 V( m4 X7 S9 J......
   9352,'ZoneSub1' ,  11.0000,1,  35, 808, 835,1.01300,   0.0000
   9360,'ZoneSub2',  11.0000,1,  24, 821, 824,1.01300,   0.0000
- ^, x  h+ }$ L  9809,'ZoneSub3',  33.0000,1,   9, 809, 809,1.01300,   0.0000
3 G" F% c5 R1 w! V( B4 a# V1 W 63300,'TS1    ', 132.0000,1,  23, 828, 823,1.06365,   0.0000
3 H9 w& Q& j! j  D' Q- O 64568,'ZoneSub4',  33.0000,1,  26, 158, 823,1.04370,   0.0000
9 ]" z! e$ H& p( x1 P$ x: a 65270,'ZoneSub5',  11.0000,1,  24,   1, 824,0.99458,   0.0000
+ M1 i5 Y! ^: o' t# c 65272,ZoneSub6',  11.0000,1,  24,   1, 824,0.99458,   0.0000"
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Highlight in red is the voltage level in KV.