AVR (Automatic Voltage Regulator) – R450

Description

An automatic voltage regulator (AVR) is an electronic device that maintains a constant voltage level to electrical equipment on the same load. The AVR regulates voltage variations to deliver constant, reliable power supply
An automatic voltage regulator (AVR) is a solid state electronic device for automatically maintaining generator output terminal voltage at a set value. It will try and do this as the generator load or operating temperature changes. The AVR is part of the alternators excitation system.
Normally in a generating set, the alternator manufacturer will supply an automatic voltage regulator with their AC alternator. The biggest manufacturers of alternators for diesel generators are Stamford AVK, Mecc Alte, Leroy Somer and more recently WEG. The model supplied will depend on the alternator and any accessories fitted to it, which may need a different AVR. An example of such accessory would be a PMG or auxiliary winding.