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- Assistant Engineer (Motor Plants (OSV)) »
- Q654 - Electrical, Electronic, & Control Engineering
198. If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure «A» of the illustration
The control circuit in figure A receives power directly from the 220-volt AC supply lines without a transformer or rectifier, therefore its operating voltage is 220 volts AC.
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