EPG Electrically Powered Governors with Single Phase Droop

Models 512/524 and 1712/1724

UL Listed E97763

The Model 1712/1724 and Model 512/524 Electrically Powered Governors (EPGs) are used to control the speed of diesel, gas, and gasoline engines. They also can control the speed of gas turbines. Installation of EPG actuators is simple because they require neither mechanical drive nor hydraulic supply.


These controls are intended for prime mover with generator loads. The advantage of these units is that the DROOP circuitry is in the speed control. An Electrically Powered Governor is a three-component system. A magnetic pickup, speed control, and actuator are required.


A battery charger must be used to keep the battery charged. Maximum steady state-current consumption is 4 amps for the 12-volt model, and 3 amps for the 24-volt model.








The PG-PL Governor is widely used for controlling speed for all types of diesel or gas engines and steam turbines, driving pumps and compressor.


An internal oil pump, relief-valve, and accumulator system controls governor operating pressure. A self-contained sumps stores oil and reduces contamination from outside sources.


Oil flow to and from the governor cylinder assembly is controlled by a centrifugal flyweight-head and pilot-valve assembly. A power cylinder (servomotor) positions the fuel racks, fuel valve, or steam valve of the engine or turbine.


A pneumatic (direct or reverse) operated bellows-type mechanism sets governor speed. A knob on the governor provides a means of manual speed adjustment. Governor stability is provided by an adjustable needle valve and spring-loaded buffer compensation system.

















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PG-PL Governor














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