基于MATLABSimulink的电力系统仿真实验

基于MATLAB/Simulink 的电力系统故障分析

10kv系统三相短路分析三相短路（以中性点不接地系统模型为类）模块搭建:

三相短路各元件参数设置如下:

MuiliTffer' Frcml

:Linc1_\/otc|

Fr« mF

~roi-LZ■ ___ Lin总3IK31L

:LfleSjEsbsj

F-nrrT

□bo

―

►

a

Oi5oe£e 3-

W 1 叽’L31C-

«tod2

A如

Line V1

blLlBmietEr Sequer« Ar-n. yzer

g Block Para meters: Three ・P hase Source

Three-Phase Source (nask} flink；

Threc-phasG voltaze sourc G in seriei with RL bxanch.

Param«rs

Phase—to-phase rss voltage (V):

110. 5e3

Phase anrl4 of chase A (degreGs):

1°

FrtQuency (Hz):

Internal connection:|Y

厂Specify iaped&nce usins sh^xfcircuit level

Souree resistance (Otesi:

|0. 009

Source inductance (H):

116. 58e-5

Apply |

OK Cancel H.lp

Block Parameters; Linel

-Three-Phase PI Section Lin已ziaslc) (link)

Thi® block inpleaents a three-phxt• PI section lint to represent a thiQG-phasG transaision line.

This block rGpresents only one PI section. To inplenentc aore that one PI secti-on, you siaplr need to connect copies of this block in sexies・

ParoaQtQTS -----------------------------------------------------------------------------------------------------------------

Freauency used for R L C specification (Hz):

F5

Poiitive- ind zero-seauence resiBtances (Ohas/ka) [ K： RO ]:

| [ 0.01273 0. 3SG4：

Positive* and zero"£eo.uenc© inductances K-lcn) [ Ll LO ]:

|T 0. 9327e-3 4. 1264e-3]

Positive- and Z4ro--ssau4nee ea.Dacitane€5 (Fjks； I Cl CO I :

I [12. 74e-9 7. 751e-9F

Line section length (ka：:

1130

OK Cancel Kelp Apply

■

OK Cancel I E«lp 厂 删 Function Block Parameters; Addl

Add cr subtract inputs. S^cify cne oi the fol.ovmg:

a. string containing • or - for each input port, for spacer tetrem ports (e. c.—・D

b) scalar >=】・ A value > 1 seal all inputs: 1 sunt •Itstnts of a single input vector

Main | Sifnal data typac

Icon shaoe: | re:t&ngulax

▼]

List of sxcni:

I 4**

Sasple tme -1 fox lEherxted):

卜】 X I Cancel 1 Help 1 Appl*

Q c5s3.N/Mu hi meter 1

Help

u*

rbr*. Lc^dO Lo a>13

3 Uan: Ubri IZ

Lc i U H : Hi

F MJ I C I/fault. B » Vb: IhrcQ-Pbazc C _l

Vb. IHtec ?hase Ja^lvl/Faulv A

I AT. s ad!

LcadO

I CD Goad3

lb: Ib"Q ・7hd" faultl/fault B lb: Ih^ec-?hasc F aulvl/Iau2V C

u» lb: Ihtrao ・7乃a=a FArjlt 1/FAult A —Z_J

Cown |

R«rnve

*f - 1

zJ

Updste 吕；Source Block Parameters; From

Froa

Keceive sienals; froa the Goto block irith the specifiGd :as ・ If the tae is defined as r scoped ， in the Goto

block, then a Goto Tae Visibility bl-ock aust te used to define the visibility of the tac ・ After ： Update

Diafraa t the block icon displays the selected tag nase >Local taes are enclosed in brackets. .], and scoped tag

na=es are enclosed in brae€g ; J).

L^adO Loft<13 Load.3 Sele 匚T Measu errents

ZJ d

小 Plot Sd 》ded“E3Uworts

^utput/cc:如加