Metering - GE 339 Instruction Manual

Motor protection system/motor protection and control
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SPECIFICATIONS

Metering

NOTE:
NOTE
1–10
PHASE REVERSAL
Configuration: ...................................................... ABC or ACB phase rotation
Time Delay:............................................................ 100 ms
Timing Accuracy:................................................ ±0.5 s
Elements:................................................................ Trip or Alarm
UNDERFREQUENCY
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 +0.03 Hz
Time Delay:............................................................ 0.1 to 600.0 s in steps of 0.1
Timing Accuracy:................................................ ±0.5 s or ±0.5% of total time
Level Accuracy:.................................................... ±0.01 Hz
Elements:................................................................ Trip and Alarm
OVERFREQUENCY
Minimum Voltage: .............................................. 0.3 x VT
Pickup Level: ......................................................... 40.00 to 70.00 Hz in steps of 0.01
Dropout Level:...................................................... Pickup - 0.03 Hz
Time Delay:............................................................ 0.1 to 600.0 s in steps of 0.1
Timing Accuracy:................................................ ±0.5 s or ±0.5% of total time
Level Accuracy:.................................................... ±0.01 Hz
Elements:................................................................ Trip and Alarm
FUSE FAIL
Time Delay:............................................................ 1 s
Timing Accuracy:................................................ ±0.5 s
Elements:................................................................ Trip or Alarm
ACCELERATION TIME TRIP
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 (kW)
3-Phase Reactive Power (kvar)
3-Phase Apparent Power (kVA)
3-Phase Positive Watthour (MWh)
3-Phase Negative Watthour (MWh) ±1% of full scale
3-Phase Positive Varhour (Mvarh)
3-Phase Negative Varhour (Mvarh) ±1% of full scale
Power Factor
Frequency
Full scale for CT Input is 3 x CT
speed
ACCURACY
RESOLUTION
±1% of full scale
0.1 kW
±1% of full scale
0.1 kvar
±1% of full scale
0.1 kVA
±1% of full scale
±0.001 MWh
±0.001 MWh
±1% of full scale
±0.001 Mvarh 50000.0 Mvarh
±0.001 Mvarh 50000.0 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
-0.99 to 1.00
40.00 to 70.00 Hz

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