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AVR-40 Voltage Regulator - 40 A
In stock
SKU
AVR-40 - 40 A
Made in an open cabinet and molded in resin, it is intended to be mounted in the alternator terminal box. It measures the voltage between one of the alternator phases and the neutral point and adjusts the DC voltage applied to the excitation winding until the desired voltage is reached. The output device stage is a half-wave thyristor output associated with a free-wheeling diode. The device is compatible with all brushless alternators. A stability adjustment potentiometer is provided for this purpose. The AVR-40 has a special electronic circuit design. The minimum residual voltage required for accumulation is 4 V-AC. The nominal frequency can be easily changed to 50 or 60 Hz in the field by connection selection. Protection loss detection circuit cancels the excitation and protects the windings if there is no voltage at the feedback input. Excitation power is derived directly from the generator terminals. A ±3V analog input is provided allowing external voltage adjustment. The AVR has the CT droop connection facility, to allow parallel circulation with other similarly equipped generators. An overload protection circuit limits the output current to its rated value, preventing device failure in an overload or short circuit condition.
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