ADVR-12

Automatic Voltage Regulator (AVR)

Specifications

Sensing Input	Voltage 180 to 520 Vac 1 or 3 phase selectable | Frequency 50/60 Hz selectable
Power Input	Voltage 60 to 300 Vac 1 or 3 phase | Frequency 50 to 500 Hz
Output	Voltage Max. 125 Vdc @ power input 220 Vac | Current Continuous 12A Intermittent 25A for 10 seconds | Resistance | ≧ 5 ohms @ power input 110 Vac | ≧ 11 ohms @ power input 220 Vac
Burden in Shunt and PMG Wiring	1320 VA @ power input 110 Vac | 2640 VA @ power input 220 Vac
Voltage Regulation	Less than +/-0.5% (with 4% engine governing)
Build Up Voltage	6 Vac 25 Hz residual volts at power input terminal
Static Power Dissipation	Max. 12 watts
EMI Suppression	Internal electromagnetic interference filtering
Over Excitation Protection	Inverse-time 125 +/-5 Vdc @ power input 220 Vac
External Voltage Adjustment	+/-5% 10K ohms 1 watt potentiometer
Soft Start Ramp Time	4 seconds +/-10%
Voltage Thermal Drift	Less than 3% at temperature range -40 to +70 °C
Analog Input	Un 0 to 10% @ 0 to 10 Vdc or +/-0.5 Vdc
Quadrature Droop Input	CT 1A/5A Max. +/-5% @ P.F +/-0.7
Under Frequency Protection (Factory Presets)	50 Hz system presets knee point at 47 Hz | 60 Hz system presets knee point at 57 Hz | (-40 to +70 °C deviation 0.1 Hz)

AVR Control Functions

VOLT	Voltage adjustment
STAB	Stability adjustment
U/F	Setting under frequency protection knee point
DROOP	Current compensation droop adjustment
TRIM	Analogue input adjustment
DIP	Voltage droop ratio setting

Indication LED

O/E	Over excitation protection indicator
U/F	Under frequency protection indicator

Environment

Operating Temperature	-40 to +70 °C
Storage Temperature	-40 to +85 °C
Relative Humidity	Max. 95%
Vibration	3.0 Gs @ 100 to 2K Hz

Physical Specifications

Dimension	214.0 (L) x 163.0 (W) x 45.7 (H) mm
Weight	1130 g +/-2%