Description: Contains instructions for conducting the more generally applicable and accepted tests to determine the performance characteristics of synchronous machines. Although the tests described are applicable in general to synchronous generators, synchronous motors (larger than fractional horsepower), synchronous condensers, and synchronous frequency changers, the descriptions make reference primarily to synchronous generators and synchronous motors. The tests described are: insulation resistance testing, high-potential (dielectric) tests, alternating voltage testing at power frequency, resistance measurement, tests for short-circuited field turns, polarity tests for field poles, shaft current and bearing insulation tests, phase sequence testing, the telephone influence factors, overspeed tests and line-charging capacity.
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