本来想把电抗器重燃模型的model模块model用txt文件贴出来，好像不能上传txt文件，故在下面贴出了model的内容。5 ]" r* ~- P( z2 |# `! |
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MODEL breaker ; u1 z0 W# _3 @( G4 J( H# y% T1 g7 L' Y0 R% J _# A; |- y5 h" s, Q
COMMENT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>% [- }: a7 B4 {/ l
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The model of this example updates the present state of the * T8 t! k# W/ i9 a) n
circuit breaker by taking into account the conditions 3 J( [: R/ R+ p. N
controlling four represented state transitions: first opening, , O! m" v6 M) s7 }2 O, c) F
reigniting, reopening, and full opening. - v: ]/ _0 L- Q) ^2 ]! ~ % ?' E4 z3 F4 [( w>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ENDCOMMENT( H/ ^3 G9 }! k( b3 b
/ ]5 J2 U' U4 ~DATA 3 Y2 x- n' J2 r7 J: y, A topen -- [s] earliest elec opening ! t' o6 W- Z3 S4 q2 u$ ~ ich1 -- [A] chopping level at power frequency 5 h3 J9 p+ D! Q% b' W, X! }$ H slope -- [A/s] current slope: R3 x) h& O6 O, @/ v
reopen_delay {dflt:2.5e-6} -- [s] reopening delay 2 Q2 j# z5 m6 I4 q9 E reignit_w {dflt:1e-2} -- [s] reignition window% i. @6 C$ g! U# P
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INPUT R$ s# N2 q" |, _9 b5 s
v1 -- voltage across breaker terminals * r1 a- p1 y i) N7 ` v2 z9 _6 ~9 g* Y C current -- current through breaker , V6 ^0 q1 [, C: L* \- q5 M8 g4 ~& z- o* e7 w% @
VAR$ J2 V0 S9 n. S4 b
state -- 0= fully open$ s) O2 K* y/ |
-- 1= normal closed: G( ~$ V0 G' _4 _: g) I( l/ ^3 e# { z
-- 2= tentatively open x" w$ O O/ z8 c k4 G+ U# Q. j# U -- 3= reignited # \0 L: y# D9 J1 F7 \ first_opening -- transition from 1 to 2 , u/ b5 `+ `7 L0 B reigniting -- transition from 2 to 3- n/ H% r( }5 N, ?* \
reopening -- transition from 3 to 2 - U" M4 n, O* L- p2 | M fully_opening -- transition from 2 to 04 }: Q/ u7 g0 M+ a5 Z
reopen_clock -- state variable of 3 $ f# Q& W1 c" |& |, y9 A. w elapsed -- time elapsed since tbeg 5 A8 X8 \) y. m: q3 g
cbstatus -- open/close signal to switch; O; }- _+ N6 e4 j' c& d
deltav " p. K$ c3 i9 X" Q& L* [
ds ) X( V$ |) F- u7 S$ ] nds + d9 n& A' Q1 q- X tdelta 3 K8 R1 i* x. r+ O9 V itopen 9 P" q, Q& }3 ^8 h. U$ i' s, F2 P ich28 p3 f3 ^ E8 M3 f# x9 m+ i
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cbstatus ,ds,nds ! l8 `; P0 O8 Y$ f) V: X! H+ G9 B
HISTORY }7 L) v' ^5 M5 [4 ?& U- V; n
current {dflt: 0}( t- X D6 ~: M' m2 G/ C* O! [! y
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state :=1 -- normal closed 6 ?3 c+ g- t5 N1 N cbstatus :=closed ' @3 p4 T5 R0 E6 r3 @7 [7 q$ X3 V ds:=1 # z) V$ Q- f! d7 s4 E$ H nds:=-1 5 Z5 A. l( }- B. w+ @! q% y5 k( eENDINIT S! H( q; B% }) v3 _3 j
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deltav:=v1-v2 " D: C% k: f& E' {; A IF t>=topen THEN -- otherwise do nothing 6 v" Z3 K% k3 i" T8 E tdelta:=(t-topen)*1000 & |/ S( l3 R: P C IF tdelta<=0.44 ! O8 F& i; [0 T) k3 D THEN ds:=(38.5*tdelta**1.5)*1000 5 |% f- I9 U3 C ELSIF tdelta>0.44 AND tdelta<=5.006 c, C: F2 m ?6 U$ F" @
THEN ds:=55.1*tdelta**0.55*1000$ i) q" n Y5 k/ ]& d
ENDIF ) l% z( x4 o' X" Q( R $ i. O. @9 y- f; ?' G1 G nds:=-ds 7 b3 \( _) h8 ^) D; c) W itopen:=abs(current)1 J$ n8 i: D$ U, j! C
ich2:=(2*pi*50*14.3*itopen*6.3*exp(-16))**((1-14.3)**(-1)) % ^# E* w* {) p A) K+ \+ M; g" L0 u) V2 C+ K- y
first_opening :=false; fully_opening :=false : D, l( [( k9 g reopening :=false; reigniting :=false* E; }9 d/ b0 ]- H
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IF state=1 -- was normal closed 5 v/ a" i% }. A, y( R C' \ AND (abs(current) <ich1& v0 i, D& h9 h" w* [" A3 X
OR current*prevval(current)<0)5 B, k; F" |/ `- ~, R. c8 g
THEN first_opening :=true9 l0 n0 e9 _6 q2 P
elapsed:=t-topen2 X* G* R- M1 ]
3 q; k6 ~' W; P5 T* F& c+ g ELSIF state=2 THEN -- was tentatively open 0 u3 q& {% T: x* N$ s& s0 L2 F: o, k7 h8 A% F8 f
IF elapsed>reignit_w THEN ( C0 j4 o0 c( [ E" Y; E% I fully_opening :=true5 g8 h; Y# J* R* G
ELSIF abs(deltav) > ds . ?1 Z% h8 H8 U/ V& |% O THEN reigniting:=true + V' k1 @& X7 _+ `/ K ENDIF " ?/ q6 d! n) _2 p6 c- j, c3 ~0 v1 J( ]! z6 d9 Q
ELSIF state=3 THEN -- was reignited9 y1 D$ d% e- Q& v% b$ A, |
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reopen_clock :=reopen_clock +timestep 1 Q' G" q+ R$ k7 R( A/ Z( U+ Q/ e/ @! k7 q& k1 l) E
IF reopen_clock >=reopen_delay" E& z9 E+ q2 J6 @
AND (abs(current) <ich1 ( a$ g, n* o8 v" \3 Z0 @# S/ ] OR current*prevval(current)<0) " h/ \' K2 r9 j- Q3 \/ M1 R AND abs(deriv(current))<slope 6 z8 O* {' v" U THEN reopening:=true . k0 B; @9 G' d9 |: N( E ENDIF+ I" K6 k7 w9 E, R* p
/ F" W3 @! {0 L ELSIF state=0 THEN -- was fully open # r# u1 \( o4 A/ h" T g/ G8 i ENDIF" O7 t+ ^, l a" V; z2 o3 z
: c* W2 J. I1 ~ IF first_opening OR reopening THEN# U& C0 Y: F7 V8 ]
state :=2 -- becomes tentatively open 3 H" y) q! T4 o7 ]3 g5 }% q# { V( V5 r# V3 A) Y; L* [ ELSIF reigniting THEN+ c1 `9 I: d: f J0 m
reopen_clock :=0 4 c1 A- m$ ~4 h' j) u5 K state :=3 -- becomes reignited T" G! n; S( ^5 [) F' M% F/ u- j
ELSIF fully_opening THEN8 b: [4 m) C0 [( F. m
state :=0 -- becomes fully open9 y: a% c4 |8 a' Z+ Z4 {
ENDIF 5 f" P% P0 _8 O3 A- I5 ~& x" c; C 1 Y, P$ o4 H7 B+ ^5 w3 m IF state = 2 OR state = 0 -- is now open7 r. ?' p' K* M$ _
THEN cbstatus :=open * s5 H& `# u, i/ g* N ELSE cbstatus :=closed, z }: b! Z4 N6 X4 _) \: L5 Q
ENDIF; h M5 ]( _7 [' ?
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ENDIF' v# R" h6 f8 C) F$ M& f+ M" {
) G* A2 }- c5 {/ L' WENDEXEC 1 w! d* o. z$ }! H" y. KENDMODEL% }3 P& l+ H5 T% b% I
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发表于 2017-10-24 09:49:20
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