These recommendations apply to thyristor ac power controllers that are low voltage, power electronic, industrial class equipment for the control or switching of ac power. Switching, multicycle control and phase…
A test procedure for comparing two or more sealed insulation systems in accordance with their expected life at rated temperature is outlined. The procedure is limited to insulation systems for…
Uniform procedures are established for the measurement of radio noise generated by corona from overhead power lines with meters that conform to ANSI C63.2-1980. The measurement procedures are also valid…
This insulation maintenance guide is intended to apply in general to industrial air-cooled rotating electrical machines rated from 5 hp to 10 000 hp. The procedures detailed herein may be…
Information necessary to permit an effective evaluation of the insulation systems of medium and small rotating electrical machines is presented. The guide is intended to apply in general to industrial…
Terms that have a specific meaning in VLF testing are defined, and VLF test equipment and wave shape are described. A uniform procedure for testing the armature insulation of large…
Classification test methods that may be used to compare insulation systems in use, or proposed for use, in large high-voltage rotating machines are described. Thermal aging, voltage endurance, thermomechanical forces,…
Superseded. This guide covers the detection of corona and the measurement of corona magnitude in electronics transformers. Test conditions, terminology, test apparatus, calibration, and test requirements are included.
A uniform procedure for making corona (partial discharge) measurements by electrical means on electronic transformers is presented. Methods of applying voltage stress, the use of a sine-wave voltage to simulated…
