Enforces alternator to produce a fixed output voltage
Changes excitation voltage in order to maintain a constant voltage
Prevents alternator damage during engine stopping under load
Provides external voltage adjustment feature
Gets power supply voltage from the input sensing voltage
FEATURES
-Half-Wave thyristor output,
-0-20 amps. output current,
-0-115 volts output voltage,
-Relay-less circuit design,
-Low-frequency protection,
-Built-in voltage adjustment,
-Remote voltage adjustment,
-Stability adjustment,
-Easy connection scheme,
-Compatible with various types of alternators.
AVR-20 Voltage Regulator is an electronic device which lets the alternator to produce a fixed output voltage. It has open chassis, resin molded design and is intended to be mounted in the alternator terminal box. Basically the unit is compatible with all brushless type alternators. A stability adjustment potentiometer is also provided for this purpose.
The AVR-20 has a special relay-less electronic circuit design. The required minimum residual voltage for build-up is 5 VAC.
DESCRIPTION
AVR-20 Voltage Regulator is an electronic device which lets the alternator to produce a fixed output voltage. It has open chassis, resin molded design and is intended to be mounted in the alternator terminal box.
AVR-20 measures the voltage between one of the alternator phases and the neutral point and adjusts the DC voltage applied to the excitation winding until reaching the desired voltage. The output stage of the device is a Half Wave thyristor output associated with a freewheeling diode. Basically the unit is compatible with all brushless type alternators. A stability adjustment potentiometer is also provided for this purpose. The AVR-20 has a special relay-less electronic circuit design. The required minimum residual voltage for build-up is 5 V-AC.
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.
