Discussion
A three-phase diode bridge fed from a 415 V line supply gives a dc link voltage of about
Answer: A
The mean is \( 3V_{ml}/\pi = 3 \times 587/\pi = 560 \) V, and with a large capacitor it rises towards the peak of 587 V at light load. Drives are commonly specified with a link voltage of that order for a 415 V supply.
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