Design methodology of the universal test system based on grouping of electric machines

To ensure the repair and production of asynchronous machines, the creation and development of unified testing systems is an urgent task. The methodology proposed in the article for designing unified test systems allows using efficient and economical ways to create such systems that test various types of asynchronous machines with similar technical parameters.

The existing test systems for the most tests of asynchronous electric machines only based on idling and short-circuit experience, excluding the possibility of conducting heating tests at rated load, limiting testing to indirect methods only, which does not fully reflect the quality of manufacture or repair of asynchronous machines.

The assessment of the technical condition of an asynchronous machine during testing is an important task, the solution of which helps to increase reliability, reduce emergency situations, and reduce the loss of working time associated with unscheduled repairs.

Currently, special attention is being paid to the processes of information technology used in the repair of electric machines and the formation of an electronic passport of an electric machine, the development of digital control systems for technological and technical discipline to eliminate the influence of negative human factors.

The object of the study is an electrical system for testing asynchronous machines. The subject of the research is the principle of construction, modeling and control of an electrical system for testing asynchronous machines.

The article also describes mathematical and simulation models of the developed test system for two mutually loaded asynchronous machines, considering the reaction of the elastic element connecting their shafts.

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