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BI. An electrical engineer tested a 2 kVA, 230/115 V single-phase transformer, and the test results are given in Table B
Posted: Mon May 09, 2022 7:50 am
by answerhappygod
- Bi An Electrical Engineer Tested A 2 Kva 230 115 V Single Phase Transformer And The Test Results Are Given In Table B 1 (49.64 KiB) Viewed 32 times
BI. An electrical engineer tested a 2 kVA, 230/115 V single-phase transformer, and the test results are given in Table Bl. Voltage Current Power 230 V 0.45 A 30 W Open circuit test (Low voltage side open-circuited) Short circuit test (Low voltage side short-circuited) 13.2 V 6.0 A 20.1 W Table B1 By using an approximate equivalent circuit, evaluate (a) the equivalent circuit of the transformer referred to high voltage side, (7 marks) (b) the equivalent circuit of the transformer referred to low voltage side, (4 marks) (c) the voltage regulation at rated load and power factor of 0.8 lagging, (6 marks) and (d) the efficiency of the transformer in part (c). (3 marks)