Negative Sequence Current - GE F35 Instruction Manual

5 SETTINGS
ETT NG
GROUND IOC1
FUNCTION:
Disabled = 0
Enabled = 1
ETT NG
GROUND IOC1
SOURCE:
IG
ETT NG
GROUND IOC1
BLOCK:
Off = 0
a) MAIN MENU

PATH: SETTINGS GROUPED ELEMENTS
 NEGATIVE SEQUENCE
 CURRENT
MESSAGE
MESSAGE
MESSAGE
The F35 relay provides two (2) negative-sequence time overcurrent elements and two (2) negative-sequence instanta-
neous overcurrent elements. For additional information on the negative sequence time overcurrent curves, refer to the
Inverse Time Overcurrent Curves section earlier.
GE Multilin
ETT NG
GROUND IOC1 PICKUP
ETT NG
DELAY:
GROUND IOC1
GROUND IOC1 RESET
PICKUP:
DELAY:
AND RUN
t
PKP
IG ≥ PICKUP
Figure 5–54: GROUND IOC1 SCHEME LOGIC
 
SETTING GROUP 1(6)
 NEG SEQ TOC1

 NEG SEQ TOC2

 NEG SEQ IOC1

 NEG SEQ IOC2

F35 Multiple Feeder Protection System
5.6 GROUPED ELEMENTS
FLEXLOG C OPE AND
GROUND IOC1 PKP
GROUND IOIC DPO
GROUND IOC1 OP
t
RST
827037A4.VSD

5.6.6 NEGATIVE SEQUENCE CURRENT

NEGATIVE SEQUENCE CURRENT
See page 5–124.
See page 5–124.
See page 5–125.
See page 5–125.
5
5-123