Relay Description
P44x/EN HW/E33
MiCOM P441/P442 & P444
Page 41/44
4.9.4 Tripping
Logic
Legend For Tripping Logic Diagrams (DEF)
Abbreviation Definition
Vr>
Threshold of residual or zero sequence voltage (3Vo)
Ied
Threshold of residual current for forward fault
Forward
Forward directional with zero/negative sequence polarisation
Reverse
Reverse directional with zero/negative sequence polarisation
DEF blocking
Blocking of DEF element
Carrier Receive DEF
Carrier received for the principal line protected (same channel as
distance protection)
Iev
Threshold of residual current (0.6 x Ied)
Tripping mode
Single or three-phase tripping (selectable)
Z< starting
Convergence at least 1 of 6 loops within the tripping
characteristic (internal starting of the distance element)
t_cycle
Additional time delay (150ms) of 1 pole AR cycle
t_delay Tripping
time
delay
t_trans
Carrier Send delay settable
&
&
&
&
1
1
&
Vr>threshold
Ied threshold
Forward decision
Reverse decision
Iev threshold
Single phase selection
2 Pole or 3 Pole Selection
1 pole dead
Z< starting
Independant
channels DIST/DEF
Tripping mode
0
T
t-cycle
Forward Startup
Single Phase Trip
Three Phase Trip
P3042ENa
&
Carrier Received DEF
Blocking DEF
&
0
T
t-delay
Reverse decision
Vr>threshold
&
&
Three
Reversal Startup
Single
Carrier Send DEF
FIGURE 17 - DIRECTIONAL COMPARISON PROTECTION PERMISSIVE SCHEME
Summary of Contents for MiCOM P441
Page 1: ...MiCOM P441 P442 P444 Numerical Distance Protection VC2 x Technical Guide P44x EN T E44...
Page 2: ......
Page 4: ...P44x EN T E44 Technical Guide Page 2 2 MiCOM P441 P442 P444 BLANK PAGE...
Page 5: ...Pxxxx EN SS C11 SAFETY SECTION...
Page 6: ......
Page 8: ...Pxxxx EN SS C11 Page 2 10 Safety Section BLANK PAGE...
Page 17: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 UPDATE DOCUMENTATION VERSION C2 X...
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Page 22: ...P44x EN AD E44 Update Documentation Page 4 82 MiCOM P441 P442 P444 BLANK PAGE...
Page 23: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 5 82 P44X EN IT E33 INTRODUCTION...
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Page 96: ...P44x EN AD E44 Update Documentation Page 78 82 MiCOM P441 P442 P444 BLANK PAGE...
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Page 100: ...P44x EN AD E44 Update Documentation Page 82 82 MiCOM P441 P442 P444 BLANK PAGE...
Page 101: ...Introduction P44x EN IT E33 MiCOM P441 P442 P444 INTRODUCTION...
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Page 104: ...P44x EN IT E33 Introduction Page 2 24 MiCOM P441 P442 P444 BLANK PAGE...
Page 127: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 RELAY DESCRIPTION...
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Page 132: ...P44x EN HW E33 Relay Description Page 4 44 MiCOM P441 P442 P444 BLANK PAGE...
Page 152: ...P44x EN HW E33 Relay Description Page 24 44 MiCOM P441 P442 P444 Example isolated AC fault...
Page 153: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 Page 25 44...
Page 173: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 APPLICATION NOTES...
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Page 180: ...P44x EN AP E33 Application Notes Page 6 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 357: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 Page 183 220...
Page 364: ...P44x EN AP E33 Application Notes Page 190 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 394: ...P44x EN AP E33 Application Notes Page 220 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 395: ...Technical Data P44x EN TD E33 MiCOM P441 P442 P444 TECHNICAL DATA...
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Page 400: ...P44x EN TD E33 Technical Data Page 4 30 MiCOM P441 P442 P444 BLANK PAGE...
Page 427: ...Installation P44x EN IN E33 MiCOM P441 P442 P444 INSTALLATION...
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Page 430: ...P44x EN IN E33 Installation Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 438: ...P44x EN IN E33 Installation Page 10 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 439: ...Commissioning P44x EN CM E33 MiCOM P441 P442 P444 COMMISSIONING...
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Page 494: ...P44x EN CM E33 Commissioning Page 54 54 MiCOM P441 P442 P444 BLANK PAGE...
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Page 498: ...P44x EN RS E33 Commissioning Test Record Sheets Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 507: ...Connection Diagrams P44x EN CO E33 MiCOM P441 P442 P444 CONNECTION DIAGRAMS...
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Page 510: ...P44x EN CO E33 Connection Diagrams Page 2 12 MiCOM P441 P442 P444 BLANK PAGE...
Page 520: ...P44x EN CO E33 Connection Diagrams Page 12 12 MiCOM P441 P442 P444 BLANK PAGE...
Page 521: ...Courrier Data Base P44x EN GC E44 MiCOM P441 P442 P444 CONFIGURATION MAPPING...
Page 610: ...Courier Data Base P44x EN GC E44 MiCOM P441 P442 P444 DEFAULT PROGRAMMABLE SCHEME LOGIC PSL...
Page 615: ...Menu Content Tables P44x EN HI E44 MiCOM P441 P442 P444 MENU CONTENT TABLES...
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Page 634: ...P44x EN VC E44 Hardware Software Version Page 8 8 MiCOM P441 P442 P444 BLANK PAGE...
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