262-1968 - USA Standard Test Code for Distribution , Power and Regulating Transformers, and Shunt Reactors
Standard Details
This standard prescribes methods for performing tests specified in USA Standard General Requirements for Distribution, Power, and Regulating Transformers, and Shunt Reactors, C57.12.00-1968, and in the separate apparatus standards of the 057.12 Series of USA Standards. The test methods covered herein are as follows: Resistance measurements (see Section 2) Dielectric insulation (see Section 3) Losses and impedance (see Section 4) Ratio and regulation (see Section 5) Temperature rise (see Section 6) Insulation power factor tests (see Section 7) Polarity and phase relation (see Section 8) Short-circuit calculations (see Section 9)
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