Operation
P746/EN
OP/G31
MiCOM P746
(OP) 5-
11
CB Trip 3 ph:
•
Triphase Circuit Breaker Trip (Init 50BF TBF1 / TBF2), Logical OR of 87BB, 50BF,
Manual Trip Zone X
Note:
The CB fail alarm is raised as soon as tBF1 or tBF2 or tBF3 or
tBF4 has been reached.
0
IB
IC
&
CB
FAIL
LOGIC
DIA
GRAM
CB
FAIL
LOGIC
DIA
GRAM
T
BF3
T
BF4
Back
trip
time
delay
T
BF4
-T
BF3
External
CB
Fail
T
BF2
Back
trip
time
delay
2
4
0
0
0
Dead
pole
Detection
I<
I<
enable
I<
I<
B
C
&
I>
a
I>
b
c
0
Tn2
0
Tn2
0
IB
IA
IC
IN>
N
0
Tn2
Tn2
IN
I>
Fault
Detection
T
BF1
Back
trip
time
delay
52a
Back
trip
Local
retrip
52a
Enable
&
&
&
Internal
trip
signal
(TpABC)
3
5
T
BF1
0
0
T
BF2
-T
BF1
IA
0
Tn1*
Tn1*
Tn1*
I<
A
T
BF3
Retrip
time
delay
&
&
&
1
1
1
1
External
trip
signal
1
&
P3970ENb
&
&
0
0
0
0
T+3ms
T+3ms
(T/2)+3ms
T+3ms
Tn1
1
3
*
Det
ails
of
the
Tn1
Control
1
1
I
Retrip
&
back
trip
confirmation
1
1
1
1
FIGURE 4: CB FAIL LOGIC DIAGRAM
OP
Summary of Contents for MiCOM P746
Page 4: ......
Page 5: ...Pxxx EN SS G11 SAFETY SECTION...
Page 6: ......
Page 8: ...Pxxx EN SS G11 Page 2 8 Safety Section BLANK PAGE...
Page 16: ...P746 EN IT G31 Introduction MiCOM P746...
Page 18: ...P746 EN IT G31 Introduction IT 1 2 MiCOM P746 IT BLANK PAGE...
Page 26: ...P746 EN TD G31 Technical Data MiCOM P746...
Page 38: ...P746 EN GS G31 Getting Started MiCOM P746...
Page 78: ...P746 EN ST G31 Getting Started MiCOM P746...
Page 80: ...P746 EN ST G31 Settings ST 4 2 MiCOM P746 ST BLANK PAGE...
Page 112: ...P746 EN ST G31 Settings ST 4 34 MiCOM P746 ST BLANK PAGE...
Page 114: ...P746 EN OP G31 Operation MiCOM P746...
Page 136: ...P746 EN OP G31 Operation OP 5 22 MiCOM P746 OP BLANK PAGE...
Page 138: ...P746 EN AP G31 Application Notes MiCOM P746...
Page 142: ...P746 EN AP G31 Application Notes AP 6 4 MiCOM P746 AP BLANK PAGE...
Page 194: ...P746 EN AP G31 Application Notes AP 6 56 MiCOM P746 AP BLANK PAGE...
Page 196: ...P746 EN PL G31 Programmable Logic MiCOM P746...
Page 238: ...P746 EN MR A11 Measurements and Recording MiCOM P746...
Page 240: ...P746 EN MR A11 Measurements and Recording MR 8 2 MiCOM P746 MR BLANK PAGE...
Page 258: ...P746 EN FD G31 Firmware Design MiCOM P746...
Page 280: ......
Page 348: ...P746 EN MT A11 Maintenance MiCOM P746...
Page 350: ...P746 EN MT A11 Maintenance MT 11 2 MiCOM P746 MT BLANK PAGE...
Page 364: ...P746 EN MT A11 Maintenance MT 11 16 MiCOM P746 MT BLANK PAGE...
Page 366: ...P746 EN TS G31 Troubleshooting MiCOM P746...
Page 368: ...P746 EN TS G31 Troubleshooting TS 12 2 MiCOM P746 TS BLANK PAGE...
Page 382: ...P746 EN SC G31 SCADA Communications MiCOM P746...
Page 424: ...P746 EN SC G31 SCADA Communications SC 13 42 MiCOM P746 SC BLANK PAGE...
Page 426: ...P746 EN SG F21 Symbols and Glossary MiCOM P746...
Page 438: ......
Page 440: ...P746 EN IN G31 Installation IN 15 2 MiCOM P746 IN BLANK PAGE...
Page 468: ......
Page 470: ...P746 EN HI G31 Remote HMI HI 16 2 MiCOM P746 HI BLANK PAGE...
Page 500: ...P746 EN HI G31 Remote HMI HI 16 32 MiCOM P746 HI BLANK PAGE...
Page 502: ......
Page 504: ...P746 EN CS A11G31 Cyber Security CS 17 2 MiCOM P746 CS BLANK PAGE...
Page 524: ...P746 EN VH G31 Firmware and Service Manual Version History MiCOM P746...
Page 529: ......