P44x/EN HW/E33
Relay Description
Page 20/44
MiCOM P441/P442 & P444
V
α
N
= Z
1
.D
fault
.(I
α
+ k
0
.3I
0
) + R
fault
.I
fault
V
α
N
= Z
1
.D
fault
.(I
α
+
Z
0
–Z
1
3
.3I
0
) + R
fault
.I
fault
V
α
N
= (R
1
+j.X
1
).D
fault
.(I
α
+
R
0
–R
1
+ j.(X
0
–X
1
)
3.(R
1
-jX
1
)
.3I
0
) + R
fault
.I
fault
V
α
N
= (R
1
+j.X
1
).D
fault
.I
α
+
R
0
–R
1
+ j.(X
0
–X
1
)
3
.D
fault
.3I
0
+ R
fault
.I
fault
V
α
N
= R
1
.D
fault
.I
α
+
R
0
–R
1
3
.D
fault
.3I
0
+ j.X1. D
fault
.I
α
+
j.(X
0
–X
1
)
3
.D
fault
.3I
0 +
R
fault
.I
fault
V
α
N
= R
1
.D
fault
.I
α
+
R
0
–R
1
3
.D
fault
.3I
0
+ j.X1. D
fault
.I
α
+
j.(X
0
–X
1
)
3
.D
fault
.(I
A
+I
B
+I
C
)
+
R
fault
.I
fault
V
AN
= R
1
.D
fault
.I
A
+
R
0
–R
1
3
.D
fault
.3I
0
+
j.(X
0
+2.X
1
)
3
.D
fault
.I
A
+
j.(X
0
–X
1
)
3
.D
fault
.(I
B
+I
C
)
+
R
fault
.I
fault
V
AN
= R
1
.D
fault
.I
A
+
R
0
–R
1
3
.D
fault
.3I
0
+
(X
0
+2.X
1
)
3
.D
fault
.
dI
A
dt
+
(X
0
–X
1
)
3
.D
fault
.
dI
B
dt
+
(X
0
–X
1
)
3
.D
fault
.
dI
C
dt
+ R
fault
.I
fault
V
AN
= R
1
.D
fault
.I
A
+
R
0
–R
1
3
.D
fault
.3I
0
+ L
AA
.D
fault
.
dI
A
dt
+ L
AB
.D
fault
.
dI
B
dt
+ L
AC
.D
fault
.
dI
C
dt
+ R
fault
.I
fault
V
BN
= R
1
.D
fault
.I
B
+
R
0
–R
1
3
.D
fault
.3I
0
+ L
AB
.D
fault
.
dI
A
dt
+ L
BB
.D
fault
.
dI
B
dt
+ L
BC
.D
fault
.
dI
C
dt
+ R
fault
.I
fault
V
CN
= R
1
.D
fault
.I
C
+
R
0
–R
1
3
.D
fault
.3I
0
+ L
AC
.D
fault
.
dI
A
dt
+ L
BC
.D
fault
.
dI
B
dt
+ L
CC
.D
fault
.
dI
C
dt
+ R
fault
.I
fault
4.1.2
Impedance measurement algorithms work with instantaneous values (current and voltage).
Derivative current value (dI/dt) is obtained by using FIR filter.
4.1.3
Phase-to-phase loop impedance
P3032ENa
R
Fault
V
C
Z
s
Z
s
Z
s
i
C
i
B
i
A
Z
1
Z
1
Z
1
V
CN
V
AN
Location
of Distance Relay
R / Phase
X / Phase
Z
Fault
Z
1
R
Fault
/ 2
V
BN
FIGURE 7 - PHASE-TO-PHASE LOOP IMPEDANCE
The impedance model for the phase-to-phase loop is :
V
αβ
= ZL x Dfault x I
αβ
+ Rfault /2 x Ifault
with
αβ
= phase AB, BC or CA
Содержание MiCOM P441
Страница 1: ...MiCOM P441 P442 P444 Numerical Distance Protection VC2 x Technical Guide P44x EN T E44...
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Страница 4: ...P44x EN T E44 Technical Guide Page 2 2 MiCOM P441 P442 P444 BLANK PAGE...
Страница 5: ...Pxxxx EN SS C11 SAFETY SECTION...
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Страница 8: ...Pxxxx EN SS C11 Page 2 10 Safety Section BLANK PAGE...
Страница 17: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 UPDATE DOCUMENTATION VERSION C2 X...
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Страница 22: ...P44x EN AD E44 Update Documentation Page 4 82 MiCOM P441 P442 P444 BLANK PAGE...
Страница 23: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 5 82 P44X EN IT E33 INTRODUCTION...
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Страница 33: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 15 82 P44X EN HW E33 RELAY DESCRIPTION...
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Страница 43: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 25 82 APPLICATION GUIDE P44X EN AP E33...
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Страница 97: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 79 82 TECHNICAL DATA P44X EN TD E33...
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Страница 101: ...Introduction P44x EN IT E33 MiCOM P441 P442 P444 INTRODUCTION...
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Страница 127: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 RELAY DESCRIPTION...
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Страница 152: ...P44x EN HW E33 Relay Description Page 24 44 MiCOM P441 P442 P444 Example isolated AC fault...
Страница 153: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 Page 25 44...
Страница 173: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 APPLICATION NOTES...
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Страница 180: ...P44x EN AP E33 Application Notes Page 6 220 MiCOM P441 P442 P444 BLANK PAGE...
Страница 357: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 Page 183 220...
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Страница 395: ...Technical Data P44x EN TD E33 MiCOM P441 P442 P444 TECHNICAL DATA...
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Страница 400: ...P44x EN TD E33 Technical Data Page 4 30 MiCOM P441 P442 P444 BLANK PAGE...
Страница 427: ...Installation P44x EN IN E33 MiCOM P441 P442 P444 INSTALLATION...
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Страница 430: ...P44x EN IN E33 Installation Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Страница 438: ...P44x EN IN E33 Installation Page 10 10 MiCOM P441 P442 P444 BLANK PAGE...
Страница 439: ...Commissioning P44x EN CM E33 MiCOM P441 P442 P444 COMMISSIONING...
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Страница 494: ...P44x EN CM E33 Commissioning Page 54 54 MiCOM P441 P442 P444 BLANK PAGE...
Страница 495: ...Commissioning Test Record Sheets P44x EN RS E33 MiCOM P441 P442 P444 COMMISSIONING TEST RECORD SHEETS...
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Страница 498: ...P44x EN RS E33 Commissioning Test Record Sheets Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Страница 507: ...Connection Diagrams P44x EN CO E33 MiCOM P441 P442 P444 CONNECTION DIAGRAMS...
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Страница 510: ...P44x EN CO E33 Connection Diagrams Page 2 12 MiCOM P441 P442 P444 BLANK PAGE...
Страница 520: ...P44x EN CO E33 Connection Diagrams Page 12 12 MiCOM P441 P442 P444 BLANK PAGE...
Страница 521: ...Courrier Data Base P44x EN GC E44 MiCOM P441 P442 P444 CONFIGURATION MAPPING...
Страница 610: ...Courier Data Base P44x EN GC E44 MiCOM P441 P442 P444 DEFAULT PROGRAMMABLE SCHEME LOGIC PSL...
Страница 615: ...Menu Content Tables P44x EN HI E44 MiCOM P441 P442 P444 MENU CONTENT TABLES...
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