The constant of a 37.5KVA 50-cycle, 600/240V transformer are as follows: High side effective resistance, 0.0522; high side leakage reactance, 0.1202; low side effective resistance, 0.00802; low side leakage reactance, 0.024S2. , the core loss at rated voltage is 360W. Determine (i) copper loss at rated kVA load, using resistance computed in both (i) and (ii); (ii) efficiency at rated unity power factor load; (iii) efficiency at rated kVA load and 0.80 power factor, lagging current.
The constant of a 37.5KVA 50-cycle, 600/240V transformer are as follows: High side effective resistance, 0.0522; high side leakage reactance, 0.1202; low side effective resistance, 0.00802; low side leakage reactance, 0.024S2. , the core loss at rated voltage is 360W. Determine (i) copper loss at rated kVA load, using resistance computed in both (i) and (ii); (ii) efficiency at rated unity power factor load; (iii) efficiency at rated kVA load and 0.80 power factor, lagging current.
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Author:Robert L. Boylestad
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Transcribed Image Text:The constant of a 37.5KVA 50-cycle, 600/240V transformer are as follows: High side effective
resistance, 0.0522; high side leakage reactance, 0.1202; low side effective resistance,
0.00802; low side leakage reactance, 0.0242. , the core loss at rated voltage is 360W.
Determine (i) copper loss at rated kVA load, using resistance computed in both (i) and (ii);
(ii) efficiency at rated unity power factor load; (iii) efficiency at rated kVA load and 0.80 power
factor, lagging current.
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