Determination of autonomous electrical energy source technical condition based on an internal combustion engine

This paper presents an analytical model that describes a test system for diagnosing an autonomous generator based on a single-cylinder four-stroke internal combustion engine. The developed mathematical model allows to determine autonomous generator technical condition by main parameter of the internal combustion engine cylinder piston group - the true docking ratio. The basis for determining an autonomous power generator condition is a test diagnosis system, which is based on the analysis of the starter motor generators current in different modes without fuel supply. As a new criterion for determining condition of an autonomous power generator based on the internal combustion engine, ratio of the average value of starter motor current when scrolling the depressed system and in the compressor state is proposed. Setting a true compression ratio allows to determine the main parameters of the systems energy efficiency.