GE 750 Instruction Manual page 215

CHAPTER 5: SETPOINTS

FREQUENCY
DECAY
750 FEEDER MANAGEMENT RELAY – INSTRUCTION MANUAL
FIGURE 5–32: Underfrequency Logic
Frequency Decay

PATH: SETPOINTS S5 PROTECTION
[]
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
 
FREQUENCY
FREQ DECAY
FUNCTION: Disabled
FREQ DECAY
RELAYS (3-7): -----
FREQ DECAY
RATE: 1.0 Hz/s
FREQ DECAY
PICKUP: 59.00 Hz
FREQ DECAY
DELAY: 2.00 s
MIN OPERATING
VOLTAGE: 0.70 x VT
MIN OPERATING
CURRENT: 0.00 x CT
S5 PROTECTION
FREQUENCY DECAY
Range: Disabled, Trip, Alarm,
Latched Alarm,
Range: Any combination of 3
to 7 Auxiliary relays
Range: 0.1 to 5.0 Hz/s in
steps of 0.1
Range: 20.00 to 65.00 Hz in
steps of 0.01
Range: 0.00 to 600.00 s in
steps of 0.01
Range: 0.00 to 1.25 x VT in
steps of 0.01
Range: 0.00 to 1.25 x CT in
steps of 0.01
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