6-8 W650 Wind Generator Protection System GEK-113032A
6.2 STATUS 6 ACTUAL VALUES
6
6.2.4 CONTROL ELEMENTS
6.2.4.1 FREQUENCY
W650 units incorporate four overfrequency and four underfrequency units. For each of them there are two magnitudes
pickup and trip (operation).
Frequency elements are often used in generating plants, as well as in the connection of substations to the main system.
Frequency monitoring is the base for synchronous machines protection application, with a couple of setting levels, as well
as for the development of automatic shedding functions and underfrequency reset.
This screen shows the activation of all frequency elements available in the W650. It can be accessed from the menu:
Actual> Status > Control Elements >Frequency, and it includes the following signaling LEDs.
Table 6–12: FREQUENCY ACTUAL VALUES
6.2.4.2 AUTORECLOSE
This screen can be accessed at Actual> Status > Control Elements > Autoreclose, and it includes the following
signaling LEDs for the Autoreclose function:
Table 6–13: AUTORECLOSE ACTUAL VALUES
OVERFREQUENCY ACTUAL VALUES UNDERFREQUENCY ACTUAL VALUES
OVERFREQ1 PKP UNDERFREQ1 PKP
OVERFREQ1 OP UNDERFREQ1 OP
OVERFREQ2 PKP UNDERFREQ2 PKP
OVERFREQ2 OP UNDERFREQ2 OP
OVERFREQ3 PKP UNDERFREQ3 PKP
OVERFREQ3 OP UNDERFREQ3 OP
OVERFREQ4 PKP UNDERFREQ4 PKP
OVERFREQ4 OP UNDERFREQ4 OP
AUTORECLOSE INPUTS
AR LEVEL BLOCK
AR PULSE BLOCK
AR PULSE UNBLOCK
AR INITIATE
AR CONDS INPUT
AUTORECLOSE INTERNAL STATUS
AR CLOSE BREAKER
AR OUT OF SERVICE
AR READY
AR LOCKOUT
AR BLOCK
AR RCL IN PROGRESS
AR LCK BY ANOMALY
AR LCK BY FAIL OPEN
AR LCK BY FAIL CLOSE
AR LCK BY USER
AR LCK BY CONDS
AR LCK BY TRIPS
AR LCK BY SHOTS
AR BLK AFTER 1 SHOT
AR BLK AFTER 2 SHOT
AR BLK AFTER 3 SHOT
AR BLK AFTER 4 SHOT
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