Generac Power Systems, Inc.

Alan Dietrich

Robert D Kern

Steven J Wilcox

Francis X Wedel

Greg Wischstadt

Robert Iles

Peter D Winnie

Douglas R Clement

David Thimmesch

An electrical generator has an engine that provides a mechanical output that is converted to electrical current by an alternator. The engine is started by a battery-powered motor starter. The battery is charged during running of the electrical generator by a portion of the electrical current output by the alternator. The battery is charged according to a charging profile based on the temperature of the battery at start up of the electrical generator.

Smart battery charging system for electrical generator

A method is provided for exercising an engine-driven, electrical generator. The generator has a first operation mode wherein the generator generates a predetermined output voltage at a predetermined frequency with the engine running a predetermined operating speed and a second exercise mode. The method includes the step of running the engine at a predetermined exercise speed with the generator in the exercise mode. The predetermined exercise speed is in the range of 40% to 70% of the predetermined operating speed of the engine. In addition, in the exercise mode, the generator generates an exercise voltage that is less than the predetermined output voltage.

Method for exercising a stand-by electrical generator

Growing community of inventors

Madison, WI, United States of America

Alan Dietrich