8 Amp, Voltage Regulator for use with self-excited (shunt), Auxiliary and PMG brushless generators


Hybrid Analog/Digital Single Phase/Three Phase sensing 8 Amp AVR for self-excited (shunt), Auxiliary and PMG brushless generators

ADVR-083 is equipped with Quadrature Droop Input for parallel operation, Over Excitation Protection, Soft Start Voltage Ramping Function, Digital circuits for Voltage Sensing and Under Frequency Protection effectively eliminate thermal drift.

  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.


  • Voltage Sensing Input and Power Input can be single-phase or 3-phase
  • Digital voltage sensing circuit and Under Frequency Protection circuit improve thermal drift characteristics
  • Over Excitation Protection // Under Frequency Protection // Soft Start voltage ramping
  • Can be used with generators operating parallel
  • Built-in high capacity protection fuse
  • Built-in EMI suppression
  • Can be used together with KUTAI Auxiliary Excitation Booster to increase motor starting capability of self-excited (shunt) generators


Sensing Input
(Average Reading)
90 to 520 Vac 1 phase / 3 phase
DIP switch setting
50 / 60 Hz DIP switch setting
Power Input
60 to 300 Vac 1 phase / 3 phase
40 to 500 Hz
Excitation Output Continuous 125 Vdc 8A @ power input 220 Vac 1 phase
Max. 180 Vdc 10A for 10 seconds
Resistance Min. 15 Ω Max. 100 Ω @ 220V
Fuse Spec Slow blow 5 x 20 mm 10A
External Volts Adjustment Max. +/-10% @ 1 kΩ 1 watt potentiometer
Quadrature Droop Input CT N:5A or N:1A
Burden > 5 VA
Analogue Voltage Input Input resistance greater than 2 kΩ
Range +/-5 Vdc or + 0 to 10 Vdc
Build Up Voltage 5 Vac 25 Hz residual volts at power input terminal
Soft Start Ramp Time 4 seconds +/-10%
Volts Regulation Less than +/-0.5% (with 4% engine governing)
Typical System Response Less than 20 milliseconds
EMI Built-in Harmonic suppression
Static Power Dissipation Max. 6 watts
Under Frequency Protection
(Factory Presets)
50 Hz system presets knee point at 45 Hz
60 Hz system presets knee point at 55 Hz
Over Excitation Protection 25 to 105% of input power (adjustable)
Voltage Thermal Drift Less than 3% from -40 to +70 °C
Under-Frequency Knee Point Thermal Drift Less than +/-0.1 Hz from -40 to +70 °C
Operating Temperature
-40 to +70 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
5.5Gs @ 60 Hz
Dimension 150.0 (L) x 135.0 (W) x 61.0 (H) mm
5.91 (L) x 5.31 (W) x 2.40 (H) inch
Weight 750 g +/-2%
1.654 lb +/-2%




  • Jumper terminals x 1
  • M5L35 Screw x 4