S
ection
1
Operating Power
Single-Phase: 180 to 240 Vac
Frequency Range: 200 to 360 Hz
Burden: 350 VA
Terminals: 3, 4
Generator Voltage Sensing
Type: 1-phase/3-phase, 4 ranges,
50/60 Hz
Terminals: E1, E2, E3
Burden: <1 VA per phase
Range 1: 120 Vac (100 to 140 Vac)
Range 2: 240 Vac (200 to 280 Vac)
Range 3: 480 Vac (400 to 560 Vac)
Range 4: 600 Vac
Generator Current Sensing
Type: 1-phase (BØ), 50/60 Hz
Rating: 5 Aac maximum continuous
Burden: <0.1 VA
Terminals: CT1, CT2
Contact Input Circuits
Type: Dry Contact
Interrogation Voltage: 13 Vdc
Terminals
Unit/Parallel Control: 52L, 52M
Raise: 6U, 7
Lower: 6D, 7
Var/PF Enable 52J, 52K
Common Alarm Output
Type: Form A
Rated Load: 7 Aac/7 Adc continuous
Make: 30 Aac/30 Adc, carry for 0.2
sec
Break: 7 Aac/0.1 Adc
Operating Voltage: 240 Vac/250 Vdc maximum
Terminals: AL1, AL2
Field Output
Continuous Rating: 75 Vdc, 3.0 Adc
10 Second Forcing Rating
200 Vac Power Input: 150 Vdc, 7.5 Adc
Field Resistance: 18 minimum
Terminals: F+, F-
AVR Operating Mode
Adjustment Range: See generator voltage sensing
Voltage Regulation: ±0.25% over load range at rated
power factor and constant generator
frequency.
Temperature Drift: ±0.5% for a 40°C change
Response Time: ≤1 cycle
Underfrequency (V/Hz)
Characteristic: Slope from 1 to 3PU is adjustable in
0.01 increments.
Range: 40 to 65 Hz
Increment: 0.01 Hz
FCR (Manual) Operating Mode
Adjustment Range: 0 to 3 Adc
Increment: 0.01 A
Var Operating Mode (Optional)
Adjustment Range: 100% to –100%
Increment: 0.1%
PF Operating Mode (Optional)
Adjustment Range: 0.6 lead to 0.6 lag
Increment: 0.001
Parallel Compensation
Modes: Reactive Droop and
Reactive Differential (cross-current)*
Droop
Adjustment Range: 0 to 10%
Increment: 0.01%
*Burden can exceed 1 VA if external resistors are added to
the CT circuit.
Communication Port
Interface: Full Duplex RS-232
Connection: DB-9 connector on rear panel
Baud: 4800
Data Bits: 8
Parity: None
Stop Bit: 1
Field Overvoltage Protection
Pickup: 0 -250 Vdc
Time Delay: 15 seconds (xed)
Field Overcurrent Protection
Pickup
Adjustment Range: 0 to 7.5 Adc
Increment: 0.001 Adc
Time Delay
Adjustment Range: 0 to 10 seconds
Increment: 1 second
Generator Overvoltage Protection
Pickup
Range: 105 to 120% of setpoint
Increment: 1.0%
Time Delay
Fixed Setting: 0.75 seconds
4
3
Main Index
5
Section 1 Index
5
3
Main Index
5
Section 1 Index
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