Caterpillar CAT series AVR ADVR-12(VR6)
Single phase sensing voltage regulator for Shunt, Auxiliary
Winding, PMG Genset. This AVR is compatible with Caterpillar VR6,
Basler Digital DM110, AvK COSIMAT, GEC ALSTHOM DX21, Generac 67680,
WEG GRT7.
Features:
Single phase sensing & single phase and three phase power input
Voltage regulation < ±0.5%
220/380/440/480 VAC programmable input
DIP switch selectable 50 Hz / 60 Hz
Multiple excitation system compatibility: SHUNT, AUX, PMG
Inverse-time over excitation protection
Under frequency protection
Soft start voltage ramping
EMI suppression
Built-in high capacity protection fuse
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Sensing Input Voltage 180~520 VAC single phase DIP switch
selectable
Frequency 50 Hz / 60 Hz jumper selectable
Power Input Voltage 100~300 VAC single phase or three phase
Output Voltage Max. 125VDC @ 220 Vac
Current Continuous 12A Intermittent 25A for 10 sec.
Volts Regulation < ±0.5% (with 4% engine governing)
Build Up Voltage Residual volts at AVR terminal > 6VAC
Over Excitation Protection Inverse-time 125±5VDC @ 220 Vac
External Volts Adjustment 10K ohm 1 watt trimmer
Unit Power Dissipation Max. 8 watts
Soft Start Ramp Time 4 sec.
EMI Suppression Internal EMI filtering
Thermal Drift 0.03% per°C change in AVR ambient
Under Frequency Protection
(Factory Setting) 60Hz system presets knee point at 55Hz
50Hz system presets knee point at 45Hz
Environment Operation Temperature : -40~70°C
Storage Temperature :-40~85°C
Relative Humidity : 95% (max.)
Vibration 3G @ 100~2KHz
AVR Controls Function VOLT : Voltage Adjustment
STAB : Stability Adjustment
U/F : Setting under frequency protection knee point
DROOP : Droop Adjustment
TRIM : Analogue Input Adjustment
DIP : U/V Rate Set
O/E LED : O/E Protection Indicator (*O/E : Over Excitation
Protection)
U/F LED : U/F Protection Indicator
Dimension 214.0 x 163.0 x 45.7 mm
Weight 1130 g +/- 2%