TA的每日心情 郁闷 2018-5-4 17:35
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[LV.4]偶尔看看III
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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。
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MODEL breaker; M: u" B3 d" B
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COMMENT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" H) w$ x* a" l8 r8 ^6 r
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. S4 d) o) j4 g8 w" u. m The model of this example updates the present state of the ' J w3 A; ~& V9 f/ ?& j
circuit breaker by taking into account the conditions
% B6 {* Q7 g, \1 f/ }, r% n controlling four represented state transitions: first opening,
, B: e* t8 r) z1 |0 { reigniting, reopening, and full opening.! Z3 Y/ `) ~$ X; d3 Z# ~
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>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ENDCOMMENT/ @: I- P& [1 G- z6 O0 t+ h
/ A- _, g# N3 E, [( d/ B DATA$ G* A* r% g# k' q$ W
topen -- [s] earliest elec opening
7 }2 O" h/ k9 l/ n1 A6 i( C ich1 -- [A] chopping level at power frequency
: a w& Y& v& D5 V slope -- [A/s] current slope6 @- [2 q6 A; t9 {! W
reopen_delay {dflt:2.5e-6} -- [s] reopening delay" z$ r; u2 R I6 Z8 i
reignit_w {dflt:1e-2} -- [s] reignition window
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3 n& {8 k' H d7 l INPUT, M* V; n$ U7 T' U+ t; _
v1 -- voltage across breaker terminals
" Q8 h) X3 z' Q v2
6 ~1 L8 p7 D5 V% f! H4 [% F0 Z6 r; E current -- current through breaker
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VAR
& x- `$ d4 P3 _ state -- 0= fully open2 e/ l% Y, w! w/ t) @2 A. e
-- 1= normal closed
. w! {8 E8 ?. j* z# I/ [ -- 2= tentatively open
% D* F1 H+ |2 s' x4 f H, S -- 3= reignited9 m* _& Q& t1 D2 e
first_opening -- transition from 1 to 24 a& V$ t. A1 l% r) c
reigniting -- transition from 2 to 3
6 l6 U. E7 v2 U0 @) r) ]9 q- L reopening -- transition from 3 to 2
! ]5 Y5 v( P( d- ^/ c/ I# L fully_opening -- transition from 2 to 0
0 H' |2 [: G3 ~4 b: Z& U# N+ M reopen_clock -- state variable of 3/ g! v8 K1 V) p3 x: X l+ T, f! z9 H) U
elapsed -- time elapsed since tbeg 6 l- _. d1 H0 L# Z$ o! H( l
cbstatus -- open/close signal to switch( f0 _) P7 e; r6 T0 ~
deltav
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nds$ H9 A# d* d, u0 H: p. K
tdelta' x, G C9 W& P. J
itopen
, T" o/ y: E& R; R* F$ f/ o! W ich2
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) w5 b* c* }1 R2 D OUTPUT
1 v$ l9 I; H T2 f cbstatus ,ds,nds" g; M; m/ I+ ?+ d$ }4 b9 D) Y; G
! r" g- d6 M8 k. R' H1 C HISTORY
. X. Q# z, t4 O7 @8 r3 T6 a current {dflt: 0}3 e& s. o: q3 \ W
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INIT2 K E/ T' q7 B$ ^
state :=1 -- normal closed* D, V' V" R' J) b
cbstatus :=closed
+ P2 s0 ^ l! N: k% J! E; X ds:=1
3 R0 m t2 d( f" q5 l nds:=-1. R; @7 }/ \7 L& w# z q* j
ENDINIT; U; ^. R! R8 Q8 e" U
# O, E4 J7 E( ^) ~ EXEC7 F, @% a2 c5 N X9 e7 w$ w
deltav:=v1-v2" e. s. x. n) w3 R
IF t>=topen THEN -- otherwise do nothing; m% J4 {# }% K9 e) q! F7 y- ?
tdelta:=(t-topen)*1000
: E# X5 l$ ^! O+ q) ` IF tdelta<=0.44
6 b4 D3 b/ o: W: h- c, o3 L ?+ { THEN ds:=(38.5*tdelta**1.5)*1000- N F3 R- ~6 ^" s" s7 b
ELSIF tdelta>0.44 AND tdelta<=5.002 j" `1 [, x) e2 X/ N4 _/ q
THEN ds:=55.1*tdelta**0.55*1000
- B1 Z! B; a/ @8 C7 S( P ENDIF
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nds:=-ds
' N2 Y* f3 s9 y% y1 U: D6 L- Y" N/ g itopen:=abs(current)( q' y% s# w3 `3 g
ich2:=(2*pi*50*14.3*itopen*6.3*exp(-16))**((1-14.3)**(-1))3 `& H5 a' M! {( Q. u" P, ?
1 R$ v) z5 k% _ first_opening :=false; fully_opening :=false
( p9 s& A0 V2 v2 Y& T- | reopening :=false; reigniting :=false
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2 Y, N- q+ ]$ f% f# k IF state=1 -- was normal closed: { z6 B6 ] p$ `: ]
AND (abs(current) <ich1
. K+ H, _; p0 J$ [ OR current*prevval(current)<0)
7 e9 W' s: F/ V& u7 V) i2 g8 h THEN first_opening :=true
2 g7 N' `# c2 u% j elapsed:=t-topen
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1 q3 e8 g- x8 S ELSIF state=2 THEN -- was tentatively open
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4 M: {' S4 Y+ L5 w S IF elapsed>reignit_w THEN
M; Q8 `$ [& r7 P3 j9 n4 w fully_opening :=true0 T8 s% Q0 n3 i: B
ELSIF abs(deltav) > ds, h" H) S) _2 n |
THEN reigniting:=true
0 L- @: a6 P7 T& I ENDIF# J6 P# i# L4 F: P/ ?$ R
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ELSIF state=3 THEN -- was reignited$ ~& W2 K E& ^$ l7 v% Y# y
6 H, `- [: w9 f0 ?- Y) z+ H* O reopen_clock :=reopen_clock +timestep5 C& l# @) W1 p8 W8 U
( w0 ^( ^0 l0 I R# R& n IF reopen_clock >=reopen_delay6 k8 _: J9 e6 S. N
AND (abs(current) <ich15 V5 W7 ^: |- r, C! Y$ J# b
OR current*prevval(current)<0) : x% S# B5 h# |: v
AND abs(deriv(current))<slope, o% F$ F. v' l9 _* |, |
THEN reopening:=true
+ m# a. t+ F/ V) t3 I6 y- q) m ENDIF
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d" C$ h3 ?3 h6 O1 A ELSIF state=0 THEN -- was fully open
, F$ N* s( Q3 v1 U/ i ENDIF, @7 C4 z. S! @# P6 W/ F8 @
: @' {- x& ^# k; R# z IF first_opening OR reopening THEN
: J0 e W0 o) {9 r0 z state :=2 -- becomes tentatively open
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ELSIF reigniting THEN
, H9 s' F. R* r, C2 I+ T reopen_clock :=0
* e! }# Y# m+ N0 }# v% k E8 F state :=3 -- becomes reignited
& I$ E7 A, q: T+ V( _ ELSIF fully_opening THEN! Z# o& X$ }0 q9 z
state :=0 -- becomes fully open
, I9 A# S" y: D% I: P0 l# z2 e& U* b! ~ ENDIF. \% ?( Z% }- `6 S: G U
! z/ |, i! @" H IF state = 2 OR state = 0 -- is now open5 V) [5 J* o6 W4 J
THEN cbstatus :=open2 J2 r! b% g d" L/ F+ w5 ^2 n. R
ELSE cbstatus :=closed! P, j! e6 L D3 J3 {2 W9 i
ENDIF
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9 V5 V- M# I/ m% z- a* S4 m) m ENDIF0 @. ?3 T, g1 _4 f4 Q2 y
! T4 ]- R) Q& n# h ENDEXEC5 j* v) Z% j% F* o$ w7 L5 k7 g1 }
ENDMODEL
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电抗器重燃模型
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