Calculate: (a) F.L. efficiency at unity p.f. (b) The secondary terminal voltage when supplying full-load secondary...
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Calculate: (a) F.L. efficiency at unity p.f. (b) The secondary terminal voltage when supplying full-load secondary current at p.s. (i)m 0.8 lag (ii) 0.8 lead for the 4-KVA, 200/400-V, 50-Hz, 1-phase transformer of which the following are the test figures: Open circuit with 200 V supplied to the primary winding-power 60 W. Short circuit with 16 V applied to the h.v. winding - current 8 A, power 40 W. answers [0.97, 383 V, 406 V] Calculate: (a) F.L. efficiency at unity p.f. (b) The secondary terminal voltage when supplying full-load secondary current at p.s. (i)m 0.8 lag (ii) 0.8 lead for the 4-KVA, 200/400-V, 50-Hz, 1-phase transformer of which the following are the test figures: Open circuit with 200 V supplied to the primary winding-power 60 W. Short circuit with 16 V applied to the h.v. winding - current 8 A, power 40 W. answers [0.97, 383 V, 406 V]
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Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
Posted Date:
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