GE 750 Instruction Manual page 229

CHAPTER 5: SETPOINTS

REACTIVE POWER
750 FEEDER MANAGEMENT RELAY – INSTRUCTION MANUAL
FIGURE 5–42: Real Power Demand Logic
Reactive Power Demand

PATH: SETPOINTS S6 MONITORING
[]
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The reactive power demand is monitored by comparing to a pickup value. If the reactive
power demand pickup is ever equaled or exceeded, the relay can be configured to cause
an alarm or signal an output relay.
See page –99 for details on the
For the
THERMAL 90% RESPONSE TIME
reactive power to indicate 90% of the actual value. This setpoint allows the user to
approximately match the response of the relay to analog instruments. This setpoint is
visible only if
MEASUREMENT TYPE
 
DEMAND REACTIVE POWER
REACTIVE PWR DMND
FUNCTION: Disabled
MEASUREMENT TYPE:
Block Interval
THERMAL 90% RESPONSE
TIME: 15 min
TIME INTERVAL:
20 min
REACTIVE PWR DMND
RELAYS (3-7): -----
REACTIVE PWR DMND
PICKUP: 10.0 Mvar
setting.
MEASUREMENT TYPE
setpoint, enter the time required for a steady state
is "Thermal Exponential".
S6 MONITORING
Range: Disabled, Alarm,
Latched Alarm,
Range: Thermal Exponential,
Block Interval, Rolling
Range: 5 min, 10 min, 15
min, 20 min, 30 min,
Range: 5 min, 10 min, 15
min, 20 min, 30 min,
Range: Any combination of
the 3 to 7 Auxiliary
Range: 1 to 30000 kvar.
Auto-ranging; see
5 - 103