1968-02-01

Precise Control of Diesel Generating Sets 680577

In speed control of prime movers, precise steady-state and transient control of frequency and close control of electrical load division among paralleled generators are a challenge to the control designer. The inherent adaptability of an electrical device to control these electrical characteristics, makes it a good choice for this type of application. The electrical speed-control system discussed in this paper fulfills these requirements.Components include electrical circuits for sensing speed and load and an electrohydraulic actuator which converts electrical signals from the amplifier into useful mechanical motion for operation of an engine fuel control. This system has been used with all type engine-generator sets. It is also readily adaptable to high speed compressors and pumps. Reliability is a proved feature as its design is very conservative and all components being used are well within their ratings.

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