Commissioning P44x/EN
CM/E33
MiCOM P441/P442 & P444
Page 27/54
In the characteristic above, the marked parts A, B et C are intersections between several
zones.
•
The surface A is considered as being in zone 1.
•
The surface B is not a part of the characteristic (no start element).
•
The surface C is not a part of the starting characteristic.(New logic will be
implemented in next version A4.0 for keeping fwd Z1 detection in the surface C (even
with a negative fault reactance value bigger than the reverse limit X4) )
Coherency:
To have a homogeneous characteristic, it’s necessary that the characteristic’s different
parameters respect the equations as follows: (No blocking coherency test is provided by the
internal logic control of the relay)
−
if zone P is a forward zone :
−
Z1 < Z1ext < Z2 < Zp < Z3
−
tZ1 < tZ2 < tZp < tZ3
−
R1G
≤
R2G
≤
RpG
≤
R3G
−
R1Ph
≤
R2Ph
≤
RpPh
≤
R3Ph
−
if zone P is a reverse zone :
−
Z1 < Z1ext < Z2 < Z3
−
Zp < Z4
−
tZ1 < tZ2 < tZ3
−
tZp < tZ4
−
R1G
≤
R2G
≤
R3G
−
RpG
≤
R4G
−
R1Ph
≤
R2Ph
≤
R3Ph
−
RpPh
≤
R4Ph
−
The Z minimum value measured by the relay is: 60 mohms (Z1mini adjusted in S1, is
1ohm with CT 1Amp & 200 mohms with CT 5Amp)
−
There is no limit for the R/X ratio, because a floating point processor is used for the R
calculation & X calculation (separated dynamic range for each calculation). In
consequence the limit will be given by the angle error of the CT.
For example in PUR with CT accuracy angle at 1° (for IN) it gives a R/X = 5,7 – for keeping
10% of error in the X1 measurement.
•
Limit of R: min 0 /Max 80 ohms (CT 5Amp) – min 0/Max400 ohms (CT 1Amp)
•
Limit of X: min0,2/100 ohms (CT 5Amp) – min1/Max 500 ohms (CT 1Amp)
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 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 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 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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Страница 634: ...P44x EN VC E44 Hardware Software Version Page 8 8 MiCOM P441 P442 P444 BLANK PAGE...
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