GE Multilin G650 Manual page 300

6 ACTUAL VALUES
6.2.3.6 NEGATIVE SEQUENCE CURRENT
This screen shows the pickup and trip for negative sequence elements in the G650. Any of these two events of any ground
element will light up the corresponding LED in this screen, and it will remain lit as the associated function remains in pickup
or operation.
This screen is accessed in menu: Actual> Status > Protection >Negative Sequence Current, and includes the following
signaling LEDs:
Table 6–9: NEGATIVE SEQUENCE CURRENT ACTUAL VALUES
6.2.3.7 THERMAL MODEL
G650 units incorporate up to 3 thermal image elements. For each of them, this screen shows by means of green LEDs, the
activation of the block, alarm, operation and thermal image signals for each unit (1, 2, 3). Any of the block, alarm and
operation signals will light up the corresponding LED in this screen, and it will remain lit as the associated function remains
in reset, pickup or operation. This function also provides the thermal image value for all the phases and functions in
percentage. All the values are provided individually for the three thermal elements.
This screen is accessed in menu: Actual> Status > Protection >Thermal image, and includes the following signaling
LEDs:
GEK-113285A
NEGATIVE SEQUENCE TOC ACTUAL VALUES
NEG SEQ TOC1 PKP
NEG SEQ TOC1 OP
NEG SEQ TOC2 PKP
NEG SEQ TOC2 OP
NEG SEQ TOC3 PKP
NEG SEQ TOC3 OP
GENERATOR UNBALANCE ACTUAL VALUES
GEN UNBAL1 STG1 PKP
GEN UNBAL1 STG1 OP
GEN UNBAL1 STG2 PKP
GEN UNBAL1 STG2 OP
GEN UNBAL1 PKP
GEN UNBAL2 BLOCK
GEN UNBAL2 STG1 PKP
GEN UNBAL2 STG1 OP
GEN UNBAL2 STG2 PKP
GEN UNBAL2 STG2 OP
GEN UNBAL2 PKP
GEN UNBAL2 OP
GEN UNBAL3 STG1 PKP
GEN UNBAL3 STG1 OP
GEN UNBAL3 STG2 PKP
GEN UNBAL3 STG2 OP
GEN UNBAL3 PKP
GEN UNBAL3 OP
NEGATIVE SEQUENCE IOC ACTUAL VALUES
NEG SEQ1 IOC PKP
NEG. SEQ1 IOC OP
NEG. SEQ2 IOC PKP
NEG. SEQ2 IOC OP
NEG. SEQ3 IOC PKP
NEG. SEQ3 IOC OP
G650 Generator Protection & Control System
6.2 STATUS
6
6-7