Electrical Engineering ⇒ Topic : KVA rating
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DJ
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kVA rating : The kVA rating is the kVA output which the transformer can deliver at rated voltage and frequency under usual operating condition exceeding the standard limits of temperature rise. The kVA figures always refer to the output kVA appearing at the secondary load terminals; the input kVA, of course, is slightly higher because of internal losses (core and winding losses). Rated secondary voltage is the voltage that appears across the secondary terminals when rated current flows. The rated primary voltage is equal to the rated secondary voltage multiplied by the N2 turn-ratio between primary and secondary, i.e., V1 (rated) = V2 (rated) x N1/N2 | |
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