I am designing an AC to DC converter. My power source is a single phase synchronous alternator that has a voltage range of 170~260 VAC and a frequency of 40~60 Hz. Can i use a transformer designed on 50 Hz and 220 VAC to work on my alternator specs mentioned above?
Electronic – Can a 50 Hz, 220 VAC transformer work on 40 Hz, 180VAC
ac-dcalternatorpower supplysynchronoustransformer
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Best Answer
Yes it probably can - the initial worry is saturation problems due to operating at the lower frequency but, with the voltage dropping to 180 V at 40 Hz, this produces virtually the same magnetization current as 220 V at 50 Hz.
Strictly speaking, if the transformer is nominally rated for 220 V at 50 Hz, you should run it at a nominal voltage of 176 V at 40 Hz.