GEK-113032A W650 Wind Generator Protection System 6-5
6 ACTUAL VALUES 6.2 STATUS
6
6.2.3.5 SENSITIVE GROUND CURRENT
This screen shows the pickup and trip for all sensitive ground instantaneousand time overcurrent elements in the W650 and
block and operation signals provided by the sensitive ground directional units. 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 >Sensitive Ground Current, and includes the following
signaling LEDs:
Table 6–8: SENSITIVE GROUND CURRENT ACTUAL VALUES
6.2.3.6 NEGATIVE SEQUENCE CURRENT
This screen shows the pickup and trip for negative sequence elements in the W650. 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
SENSITIVE GROUND IOC
ACTUAL VALUES
SENSITIVE GROUND TOC
ACTUAL VALUES
SENSITIVE GROUND DIRECTIONAL
ACTUAL VALUES
SENS GND IOC1 PKP SENS GND TOC1 PKP SENS GND DIR1 BLOCK
SENS GND IOC1 OP SENS GND TOC1 OP SENS GND DIR1 OP
SENS GND IOC2 PKP SENS GND TOC2 PKP SENS GND DIR2 BLOCK
SENS GND IOC2 OP SENS GND TOC2 OP SENS GND DIR2 OP
SENS GND IOC3 PKP SENS GND TOC3 PKP SENS GND DIR3 BLOCK
SENS GND IOC3 OP SENS GND TOC3 OP SENS GND DIR3 OP
NEGATIVE SEQUENCE 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
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