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Unformatted text preview: ⋅ = and we found previously: Z eqhs 16.53 132.3j + ( ) Ω ⋅ = Find the voltage regulation of the transformer if it is delivering rated current at a rated voltage and a power factor of 0.8 leading. Solution : First we must find rated current I srated S rated V srated = I srated 1.389 10 3 × amp = The actual current is at a power factor of 0.8 leading so the angle is: θ acos .8 ( )-= θ 36.87-deg = and the current is: I s I srated cos θ ( 29 ⋅ I srated sin θ ( 29 ⋅ j ⋅-= I s 1.111 10 3 × 833.333j + amp = The actual secondary voltage is: V s 7200 volt ⋅ =...
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This note was uploaded on 03/26/2012 for the course ECET 231 taught by Professor Piller during the Spring '12 term at Purdue University.
- Spring '12