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In this standard, suggestions are made for testing the dielectric strength of the insulation separating the various turns from each other within multiturn form-wound coils to determine their acceptability. Typical ratings of machines employing such coils normally lie within the range of 200 kW to 100 MW. The test voltage levels described do not evaluate the ability of the turn insulation to withstand...
The development of the transistor resulted in semiconductor components being used in both relay and communication equipment. However, it was discovered that these components are sensitive to certain electrical surges. Surge withstand capability (SWC) tests are presented for relays so that the surges can be controlled and damage prevented.<<ETX>>
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