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本人主要研究交直流混合仿真中的变换器控制对电网稳定性影响,目前主要针对功角暂态稳定影响。刚刚开始研究PST工具箱中的各个函数文件,对s_simu.m的各个功能模块都已经比较熟悉,可惜主题程序虽然有直流整流器、逆变器、TCSC和SVC等HVDC的自定义控制模块驱动程序,但是不知道具体如何将自己的控制算法写进去?( X1 g- Q$ |+ H9 K
诸如以下一段代码:% z# b; b5 a/ R' \, d# }
if ndcr_ud~=08 \3 F6 r6 \, a( M
% calculate the new value of bus angles rectifier user defined control# ]: c" g' z) l8 |2 M; E$ L4 I
tot_states=0;
' Y* f$ z' k* X. p+ i for jj = 1:ndcr_ud
4 X' b: A; f% ] b_num1 = dcr_dc{jj,3};b_num2 = dcr_dc{jj,4};conv_num = dcr_dc{jj,2};# h- b& g* L$ G
angdcr(jj,k)=(theta(bus_int(b_num1),k)-theta(bus_int(b_num2),k));
8 C8 T# {2 v M) k dcrd_sig(jj,k)=angdcr(jj,k);
2 _7 |7 Y' ^0 q% d/ @0 a st_state = tot_states+1; dcr_states = dcr_dc{jj,7}; tot_states = tot_states+dcr_states; / D5 F0 W! p, ?0 C" m
ydcrmx=dcr_dc{jj,5};ydcrmn = dcr_dc{jj,6};
7 V! z# M8 H' i% N9 P& m dcr_dsig(jj,k) = ...
6 i7 A0 t# g7 p* f3 p dcr_sud(jj,k,flag,dcr_dc{jj,1},dcrd_sig(jj,k),ydcrmx,ydcrmn,xdcr_dc(st_state:tot_states,10*(k-1)+1));! ]9 I6 `6 z( c
end
0 }$ h3 G" |( Y end
9 Y7 k. }# n' E. P: ]! w if ndci_ud~=0
' O: X" v$ K8 q0 Z5 F8 p % calculate the new value of bus angles inverter user defined control
3 `( s* y8 t, P! T; L for jj = 1:ndci_ud7 X3 A( ~4 b: Q& P
tot_states=0;4 k6 e' h+ A n
b_num1 = dci_dc{jj,3};b_num2 = dci_dc{jj,4};conv_num = dci_dc{jj,2};; _4 M# p: W v7 O
angdci(jj,k)=theta(bus_int(b_num1),k)-theta(bus_int(b_num2),k);4 V6 b- I2 M& l8 E
dcid_sig(jj,k)=(angdci(jj,k)-angdci(jj,k-1))/(t(k)-t(k-1));' a5 |7 \/ W e7 X& p' W
st_state = tot_states+1; dci_states = dci_dc{jj,7}; tot_states = tot_states+dci_states;
3 f* r8 ]2 z/ P: F+ N9 J ydcimx=dci_dc{jj,5};ydcimn = dci_dc{jj,6};7 E( ?) R5 c/ U; s1 @* m6 q
dci_dsig(jj,k) = ...
0 Y4 f+ m( ~. S+ T4 { dci_sud(jj,k,flag,dci_dc{jj,1},dcid_sig(jj,k),ydcimx,ydcimn,xdci_dc(st_state:tot_states,10*(k-1)+1));
, v8 }8 c2 w, Y4 @' ^6 ^; J' t* I8 W end
. p: r) o0 l* m end
9 I& `3 M6 U9 c: O- w) z3 P Q) a- c2 K4 k' I& J' S$ _
( E( p2 r8 d6 H% Y* a# P3 h
其中,“dci_dc{jj,5}”,“dcr_dc{jj,7}”都是直流逆变器和整流器的控制结构体,但不知道具体如何在哪里修改!还请熟悉这一块的朋友能够给予指导,并能稍微详细说明下如何在PST中自定义模型。% P6 [$ M! N( D, e
' S. N- P) c' \% l
谢谢啦!祝大家交流愉快! |
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