Metering - GE 339 Instruction Manual

SPECIFICATIONS

Metering

NOTE:
NOTE
1–12
PHASE REVERSAL (47)
Configuration: ...................................................... ABC or ACB phase rotation
Time Delay: ........................................................... 100 ms
Timing Accuracy:................................................ ±0.5 s
Elements: ................................................................ Trip or Alarm
UNDERFREQUENCY (81U)
Minimum Voltage: .............................................. 0.00 to 1.25 x VT in steps of 0.01
Pickup Level: ......................................................... 40.00 to 70.00 Hz in steps of 0.01
Dropout Level:...................................................... Pickup +0.05 Hz
Time Delay: ........................................................... 0.1 to 600.0 s in steps of 0.01
Timing Accuracy:................................................ ±0.5 s or ±0.5% of total time
Level Accuracy: ................................................... ±0.03 Hz
Elements: ................................................................ Trip and Alarm
OVERFREQUENCY (81O)
Minimum Voltage: .............................................. 0.3 x VT
Pickup Level: ......................................................... 40.00 to 70.00 Hz in steps of 0.01
Dropout Level:...................................................... Pickup - 0.05 Hz
Time Delay: ........................................................... 0.1 to 600.0 s in steps of 0.01
Timing Accuracy:................................................ ±0.5 s or ±0.5% of total time
Level Accuracy: ................................................... ±0.03 Hz
Elements: ................................................................ Trip and Alarm
ACCELERATION TIME TRIP (48)
Pickup Level: ......................................................... Motor start condition
Dropout Level:...................................................... Motor run, trip, or stop condition
Timers for single-speed:.................................. Stopped to running
Timers for two-speed:...................................... Stopped to high speed, stopped to low speed, low to high
Time Delay: ........................................................... 1.0 to 250.0 s in steps of 0.1
Timing Accuracy:................................................ ±200 ms or ±1% of total time
PARAMETER
3-Phase Real Power (MW or kW)
3-Phase Reactive Power (Mvar or kvar) ±1% of full scale
3-Phase Apparent Power (MVA or kVA) ±1% of full scale
3-Phase Positive Watthour (MWh)
3-Phase Negative Watthour (MWh)
3-Phase Positive Varhour (Mvarh)
3-Phase Negative Varhour (Mvarh)
Power Factor
Frequency
Negative values (-) represent lead and positive values (+) represent lag.
speed
ACCURACY RESOLUTION
(full scale for
CT Input is 3 x CT)
±1% of full scale 0.1 MW
0.1 Mvar
0.1 MVA
±1% of full scale ±0.001 MWh
±1% of full scale ±0.001 MWh
±1% of full scale ±0.001 Mvarh
±1% of full scale ±0.001 Mvarh
±0.05 0.01
±0.05 Hz 0.01 Hz
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION
RANGE
± 100000.0 kW
± 100000.0 kvar
± 100000.0 kVA
50000.0 MWh
50000.0 MWh
50000.0 Mvarh
50000.0 Mvarh
-0.99 to 1.00
40.00 to 70.00 Hz