Flexlogic - GE G60 Instruction Manual

9 APPLICATION OF SETTINGS
The following logic as given as an example only. The logic for each specific application will be dependant on system design,
protection philosophies, and operating practices.
1
SEQ TRIP ON (VO9) SEQ TRIP ON (VO9)
2
STATOR DIFF OP STATOR DIFF OP
3
PHASE TOC1 OP PHASE TOC1 OP
4
GEN UNBAL STG1 OP
5
LOSS EXCIT OP
6
DIR POWER 1 STG 1 OP
OR(11)
7
OVEREXCIT ON (VO7)
8 UNDERFREQ ON (VO5)
9
AUX OV1 OP
10
STATOR GND STG1 OP
11
ACCDNT ENRG OP
12
OR(11)
13
= GEN BKR TRIP (VO1)
14
SEQ TRIP ON (VO9)
15
STATOR DIFF OP
16
LOSS EXCIT OP
17 DIR POWER STG1 OP
OR(7)
18
OVEREXCIT ON (VO7)
19
AUX OV1 OP
20
STATOR GND STG1 OP
21
OR(7)
22
= FLD BKR TRIP (VO2)
23
STATOR DIFF OP
24
LOSS EXCIT OP
25
DIR POWER 1 STG1 OP
26
ONLINE ON (VO8)
AND(2)
27
OVEREXCIT ON (VO7)
28
AND(2)
29
AUX OV1 OP
30
STATOR GND STG1 OP
31
OR(6)
32
= TURBINE TRIP (VO3)
GE Multilin
= GEN BKR TRIP (VO1)
= FLD BKR TRIP (VO2)
OR(6) = TURBINE TRIP (VO3)
Figure 9–5: APPLICATION EXAMPLE FLEXLOGIC™
G60 Generator Management Relay
5 sec.
33
VOLTS PER HERTZ 1 PKP
0 sec.
34
TIMER 1
35
GEN UNBAL STG2 OP
36
OVERFREQ ON (VO6)
37
STATOR GND STG2 OP
38
OR(4)
39
= ALARM (VO4)
40
UNDERFREQ 1 OP
OR(2)
41
UNDERFREQ 2 OP
42
OR(2)
43
= UNDERFREQ (VO5)
44
OVERFREQ 1 OP
OR(2)
45
OVERFREQ 2 OP
46
OR(2)
47
= OVERFREQ (VO6)
48
VOLTS PER HERTZ 1 OP
OR(2)
49
VOLTS PER HERTZ 2 OP
50
OR(2)
51
= OVEREXCIT (VO7)
52
OFFLINE OFF(H7C)
53
= ONLINE (VO8)
54
DIR POWER 1 STG2 OP
AND(2)
55
INLET VALVE OFF(H8A)
56
AND(2)
57
= SEQ TRIP (VO9)
58
END
9.1 SETTING EXAMPLE

9.1.16 FLEXLOGIC™

= ALARM (VO4)
OR(4)
= UNDERFREQ (VO5)
= OVERFREQ (VO6)
= OVEREXCIT (VO7)
= ONLINE (VO8)
= SEQ TRIP (VO9)
830716A1.CDR
9-13
9