GE C70 Instruction Manual page 445

CHAPTER 8: APPLICATION OF SETTINGS
The following figure illustrates parallel capacitor banks, ungrounded, no tap available, and with current unbalance
protection. In this case, two CT/VT modules are required.
Figure 8-8: Parallel banks, ungrounded, no tap available, current unbalance protection
The following figure illustrates parallel capacitor banks, grounded, no tap available, and with current unbalance protection.
In this case, two CT/VT modules are required.
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
Figure 8-7: Single bank, grounded, with a tap
PROTECTION METHODS FOR CAPACITOR BANKS
C70 CAPACITOR BANK RELAY
50P 51P 51N
87V 59B
834759A1.CDR
C70 CAPACITOR BANK RELAY
50P 51P
60P
(C)
59B 59NU
60P
(B)
60P
(A)
51N
60N
834760A1.CDR
8-7
8