ADVR-083 KUTAI AVR Automatic Voltage Regulator
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.
Features
- 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
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Specifications
- Sensing Input (Average Reading)
- Voltage and Frequency DIP switch settings
Voltage 90 to 520 Vac 1 phase / 3 phase
Frequency 50/60 Hz
- Power Input
- Voltage 60 to 300 Vac 1 phase / 3 phase
Frequency 40 to 500 Hz
- Excitation Output
- 110V 1 phase Continuous 63 Vdc 8A Max. 90 Vdc 10A for 10 seconds
220V 1 phase Continuous 125 Vdc 8A Max. 180 Vdc 10A for 10 seconds
220V 3 phase Continuous 150 Vdc 8A Max. 215 Vdc 10A for 10 seconds
Resistance Min. 15 ohms Max. 100 ohms @ 220V
Fuse Spec. Slow blow 5 x 20 mm 10A
- External Voltage Adjustment
- Max. +/-10% @ 1K ohm 1 watt potentiometer
- Quadrature Droop Input
- CT N:5A or N:1A
Burden greater than 5 VA
- Analogue Voltage Input
- Input resistance greater than 2K ohms
Input range +/-5 Vdc or + 0 to 10 Vdc
- Build Up Voltage
- Greater than 5Vac 25Hz residual volts input power
- Soft Start Ramp Time
- 4 seconds +/-10%
- Voltage 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 knee point at 45 Hz
60 Hz system knee point at 55 Hz
- Over Excitation Protection
- 25 to 105% of input power (adjustable)
The OE function can be turned off after 10 seconds delay
- 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
Environment
- Operating Temperature
- -40 to +60 °C
- Storage Temperature
- -40 to +85 °C
- Relative Humidity
- Max. 95%
Physical Specifications
- Dimensions
- 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%