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The rated capacity of a single-phase transformer is SN=50 kV·A , the no-load current I0 is 3% of the rated current, the rated voltages are 10 kV/230 V, the secondary side voltage at full load is 220 V, Find the voltage regulation VR. （）.

A、4.35%;
B、3%;
C、5%;
D、0

发布时间：2025-12-18 00:12:38

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答案：4.35%

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The rated capacity of a single-phase transformer is SN=50 kV·A , the no-load current I0 is 3% of the rated current, the rated voltages are 10 kV/230 V, the secondary side voltage at full load is 220 V, Find the voltage regulation VR. （ ）.