Specifications; Timing Specifications; Protection Specifications - GE MX350 Instruction Manual

SPECIFICATIONS

Specifications
NOTE:
NOTE

Timing specifications

Protection specifications

1–6
Specifications are subject to change without notice.
GENERAL TIMING ACCURACY
Accuracy:................................................................ ±500 ms
OVERVOLTAGE
Pickup level:........................................................... 1.05 to 1.10 × VT in steps of 0.01 (programmable)
Dropout: .................................................................. 1.03 to 1.08 × VT in steps of 0.01 (programmable)
Time delay: ............................................................ No programmable time delay
UNDERVOLTAGE
Pickup level:........................................................... 0.75 to 0.99 × VT in steps of 0.01 (programmable)
Dropout: .................................................................. 0.85 to 1.00 × VT in steps of 0.01 (programmable)
Time delay: ............................................................ No programmable time delay
OVERFREQUENCY
Pickup level:........................................................... 50.1 to 63.0 Hz in steps of 0.1 (programmable)
Dropout: .................................................................. 50.0 to 62.9 Hz in steps of 0.1 (programmable)
Time delay: ............................................................ No programmable time delay
Accuracy:................................................................ ±0.05 Hz
UNDERFREQUENCY
Pickup level:........................................................... 45.0 to 59.9 Hz in steps of 0.1 (programmable)
Dropout: .................................................................. 45.1 to 60.0 Hz in steps of 0.1 (programmable)
Time delay: ............................................................ No programmable time delay
Accuracy:................................................................ ±0.05 Hz
POWER FACTOR
Pickup level:........................................................... 0.99 lag to 0.99 lead in steps of 0.01 (programmable)
Dropout: .................................................................. pickup + hysteresis
Time delay: ............................................................ 0 to 65535 seconds in steps of 1
Accuracy:................................................................ ±0.05
VOLTAGE IMBALANCE
Pickup level:........................................................... 0.05 to 0.20 in steps of 0.01 (programmable)
Dropout: .................................................................. 0.03 to 0.18 in steps of 0.01 (programmable)
Time delay: ............................................................ 1 to 60 seconds in steps of 1
CURRENT IMBALANCE
Range:...................................................................... 4 to 40% in steps of 1
Pickup level:........................................................... 0.04 to 0.40 in steps of 0.01 (programmable)
Time delay: ............................................................ 1 to 60 seconds in steps of 1 s
Timing accuracy: ................................................ ±500 ms
Elements:................................................................ alarm
Accuracy:................................................................ ±2%
MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION