DATAKOM AVR-20 Automatic voltage regulator for generator alternators

DATAKOM AVR-20 Voltage Regulator is an electronic device which lets the alternator to produce fixed output voltage. It has open chassis, resin molded design and is intended to be mounted in the alternator’s terminal box.
The output stage of the device is a Half Wave tyhristor output associated with a free wheeling diode. Basically the unit is compatible with all brushless type alternators. The AVR-20 has a special relay-less electronic circuit design. The unit does not include moving parts; therefore it is able to operate in highly vibrating environments.
The AVR-20 includes a low frequency protection circuit. This feature reduces the output voltage during overload or engine stop. Therefore the diesel engine is protected from excessive torque generated by high startup currents of large electrical equipments. Similarly, the diesel engine may be stopped under load without damage. The easy connection scheme of the device allows fast and easy replacement.
The device can be connected as phase-to-phase instead of default phase-to-neutral to be used in 120/208 VAC 60Hz alternators.

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