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You want a precise clean-burning genset? Electronic governors deliver performance!
What does an electronic governor do? The simple answer is it controls the speed of the engine (frequency regulation) – very precisely. When it comes to gensets, engine speed is very important. As engine speed changes, the voltage and amperage output of the genset changes. Therefore, if the speed is precisely controlled, the voltage and amperage remain more stable as load is applied and removed from the genset. And because the electronic governor reacts quickly to variations in load, fuel economy improves – there’s no “over-compensation” of the governor resulting in over-fueling of the engine. In other words, the engine doesn’t “bog down” when a load is applied. And precise fuel control results in cleaner exhaust too!
The actual difference in performance when you compare a mechanically-governed engine to an electronically-governed engine is quite impressive. A typical mechanically-governed genset engine has a frequency regulation (speed) variance of plus or minus 5% from no load to full load. An electronically-governed genset engine has a frequency regulation (speed) variance of plus or minus .005% from no load to full load. That’s a big difference and very noticeable when the genset is operating. In many instances, you don’t hear the engine “bog down” or suddenly speed-up when a big load is applied or removed.
Westerbeke includes electronic-governing as standard equipment on diesel gensets, 12.6 kW and 20 through 95 kW, and on gas gensets, 5 and 7 kW. Electronic-governing is available as an option on 1,800 RPM diesel gensets (only) from 5 through 12.5 kW and 15 kW. The 7.6 kW is NOT available with electronic governing.
Tell your distributor or dealer you want an electronic governor on your new Westerbeke diesel genset – you’ll be pleased with what you get.
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