Synchrocheck (Ansi 25) - GE L60 Instructions Manual

CHAPTER 5: SETTINGS

5.7.6 Synchrocheck (ANSI 25)

SETTINGS  CONTROL ELEMENTS  SYNCHROCHECK  SYNCHROCHECK 1(4)
 SYNCHROCHECK 1

The synchronism check function supervises the paralleling of two parts of a system that are to be joined by the closure of
a circuit breaker. The synchrocheck elements are typically used at locations where the two parts of the system are
interconnected through at least one other point in the system.
L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL
SYNCHK1 FUNCTION:

Disabled
SYNCHK1 BLOCK:

Off
SYNCHK1 V1 SOURCE:

SRC 1
SYNCHK1 V2 SOURCE:

SRC 2
SYNCHK1 MAX VOLT

DIFF: 10000 V
SYNCHK1 MAX ANGLE

DIFF: 30°
SYNCHK1 MAX FREQ

DIFF: 1.00 Hz
SYNCHK1 MAX FREQ

HYSTERESIS: 0.06 Hz
SYNCHK1 SYNC CLOSE:

Off
SYNCHK1 S-CLS MAX

dF: 0.50 Hz
SYNCHK1 S-CLS MIN

dF: 0.10 Hz
SYNCHK1 S-CLS BRK

TIME: 0.035 s
SYNCHK1 V2 MAG CORR

FACTOR: 1.00
SYNCHK1 V2 ANGLE

SHIFT: 0
SYNCHK1 DEAD SOURCE

SELECT: LV1 and DV2
SYNCHK1 DEAD V1

MAX VOLT: 0.30 pu
SYNCHK1 DEAD V2

MAX VOLT: 0.30 pu
SYNCHK1 LIVE V1

MIN VOLT: 0.70 pu
SYNCHK1 LIVE V2

MIN VOLT: 0.70 pu
SYNCHK1 TARGET:

Self-reset
SYNCHK1 EVENTS:

Disabled
Range: Disabled, Enabled
Range: FlexLogic operand
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: 0 to 400000 V in steps of 1
Range: 0 to 100° in steps of 1
Range: 0.00 to 2.00 Hz in steps of 0.01
Range: 0.00 to 0.10 Hz in steps of 0.01
Range: FlexLogic operand
Range: 0.10 to 2.00 Hz in steps of 0.01
Range: 0.01 to 1.00 Hz in steps of 0.01
Range: 0.010 to 0.500 s in steps of 0.001
Range: 0.10 to 10.00 in steps of 0.01
Range: -180 to +180 degrees in steps of 1
Range: None, LV1 and DV2, DV1 and LV2, DV1 or DV2,
DV1 Xor DV2, DV1 and DV2
Range: 0.04 to 1.25 pu in steps of 0.01
Range: 0.04 to 1.25 pu in steps of 0.01
Range: 0.04 to 1.25 pu in steps of 0.01
Range: 0.04 to 1.25 pu in steps of 0.01
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
CONTROL ELEMENTS
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