.) Power electronics: a) What is the task of a startup frequency converter (SFC) and where is it used? b) Draw

Question

.) Power electronics: a) What is the task of a startup frequency converter (SFC) and where is it used? b) Draw the circuit diagram of a SFC and explain how it operates. c) Why can’t this connection be realised with diodes? What would not work?

Answer 1

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start from here:http://en.wikipedia.org/wiki/Frequency_changer