GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 121

5 SETPOINTS
d) OVERFREQUENCY
PATH: SETPOINTS S4 ELEMENTS
OVERFREQUENCY
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GE Multilin
Courtesy of NationalSwitchgear.com
Figure 5–30: FREQUENCY DECAY SCHEME LOGIC
FREQUENCY OVERFREQUENCY
ð
OVERFREQUENCY
ENTER
FUNCTION: Disabled
ESCAPE
OVERFREQUENCY
ESCAPE
TARGET: Latched
MESSAGE
CURRENT SENSING:
ESCAPE
Enabled
MESSAGE
MINIMUM OPERATING
ESCAPE
CURRENT: 0.20 x CT
MESSAGE
MINIMUM OPERATING
ESCAPE
VOLTAGE: 0.50 x VT
MESSAGE
OVERFREQUENCY
ESCAPE
PICKUP: 60.50 Hz
MESSAGE
OVERFREQUENCY
ESCAPE
DELAY: 5.00 s
MESSAGE
OVERFREQUENCY
ESCAPE
BLOCK: Disabled
MESSAGE
745 Transformer Management Relay
5.6 S4 ELEMENTS
Range: Enabled, Disabled
Range: Self-Reset, Latched, None
Range: Enabled, Disabled
Range: 0.20 to 1.00 x CT in steps of 0.01
Range: 0.10 to 0.99 x CT in steps of 0.01
Range: 50.01 to 65.00 Hz in steps of 0.01
Range: 0.00 to 600.00 s in steps of 0.01
Range: Logc Inpt 1 to 16, Virt Inpt 1 to 16, Output Rly 2 to
8, SelfTest Rly, Vir Outpt 1 to 5, Disabled
5
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