Features
Voltage regulation < +/-0.5% RMS
For use in parallel operation
RAMP, DIP, DWELL, DROOP, RMS, U/F, Over Voltage & Over Excitation Adjustment Functions
Over Exc. / Over Volt. & UFRO LED indicators
Current limiting function
Specifications
Sensing Input
Voltage
190 to 264 Vac 3 phase
Frequency
50/60 Hz selectable
Power Input (PMG)
Voltage
170 to 220 Vac 3 phase 3 wire
Current
3A / phase
Frequency
100 to 120 Hz nominal
Output
Voltage
Max. 120 Vdc
Current
Continuous 4A
Intermittent 7A for 60 seconds
Resistance
Min. 15 ohms
Voltage Regulation
< +/-0.5% RMS (with 4% engine governing)
Build Up Voltage
Residual volts at AVR terminal > 5 Vac
External Volts Adjustment
+/-10% with 5 kΩ 1 watt trimmer
Unit Power Dissipation
Max. 18 watts
Thermal Drift
0.05% per °C change in AVR ambient
Soft Start Ramp Time
0.4 to 4 seconds
Analogue Input
Max. Input +/-5 Vdc
Sensitivity 1V for 5% generator volts
Input Resistance 1 kΩ
Droop Input
Burden 10 ohms
Max. Sensitivity
0.22A for 5% droop (PF=0)
Max. Input 0.33A
Under Frequency Protection (Factory Setting)
Set Point 95% Hz
Slope 100% to 300% down to 30 Hz
Max. Dwell 20% volts/seconds recovery
Current Limit Input
Burden 10 ohms
Sensitivity Range 0.5A to 1A
Over Voltage Detector Input
Set Point 300V
Time Delay 1 second (fixed)
CB Trip Coil Volts 10 to 30 Vdc / 0.5 Amp
Over Excitation Protection
Set Point 120 Vdc
Time Delay 8 to 15 seconds