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Woodward governor epg actuator engine control electric
Isochronous electronic controls are available with either start-fuel limit or with switch-selected dual dynamics. (From the manufacturer).
Droop controls are available for certain types of parallel generator application (From the manufacturer). Load sharing devices are available for use with the isochronous models used in paralleled applications (From the manufacturer).
The selected EPG actuator is mounted on the prime mover and mechanically linked to the fuel control. The rotary design and output shaft on both ends gives 30 (512/524) clockwise or counterclockwise travel to low-mass, low friction fuel linkages. Preloaded internal return springs supply the shaft torque in the decrease-fuel direction and for shutdown should the electronic control signal be lost.
A rugged cast aluminum housing permits installation of the speed control on the engine skid.
In operation, the control compares the speed of the engine with the desired speed or desired load and sets the actuator position to correct discrepancies.
Gain and stability adjustments tailor the governor s response to the specific engine.
EPG controllers with switch-selected dynamics allow stable operation at no load and brisk response when the unit is heavily loaded.
The EPG is designed for precise speed control of diesel, gas, gasoline engines, and gas turbines. The governor is especially suited to prime movers without a mechanical drive or hydraulic oil supply for the governor and which have low-mass, low-friction fuel linkages.
Controls are built with dynamics designed for specific engine applications.
Units with start fuel limit can prevent startup over speed and excessive startup smoke. The start fuel limit is automatically removed when the engine nears selected speed.
The EPG is compatible with a full line of Woodward accessories providing for various levels of precision control of electrical generation or other processes.
Custom installation kits for a number of engines are available from Woodward.
* Output Shaft 0.375"-36 SAE serrated shaft on each end
* Ambient Temperature Range 40 to +93 C ( 40 to +200 F)
* Mounting Mount in any configuration. The installation must not require lengths of wiring greater than those specified in the Maximum Wire Length chart.
* Construction Aluminum and steel parts. All parts treated for corrosion resistance. Not painted.
* Work Output Internal return springs provide operating force in the decrease-fuel direction. Additional, external spring must not be used.
* Vibration US MIL-STD-810C, method 514.2, procedure I, curve J per figure 514.2-2 except limited to 3 g.
* Shock US MIL-STD-810C, method 516.2, procedure I, figure 516.2-1, Ground Equipment test, 40 g input, 11 ms duration. A total of 18 terminal peak sawtooth shock pulses applied by the shaker machine, 6 in each axis, 3 in each direction (plus and minus).
View my other items for the EPG Speed Controller.
