To reduce the value of the control voltage in comparison to the 3-phase AC branch-circuit supply line voltage, and to limit the amount of fault current available to the control-circuit, the transformer is purposely used to ___ the process control circuit

To reduce the value of the control voltage in comparison to the 3-phase AC branch-circuit supply line voltage, and to limit the amount of fault current available to the control-circuit, the transformer is purposely used to ____________ - ____________ the process control circuit from the initial multioutlet combination branch circuit supply the controlled motors.

A) any of the answers
B) separately-derive
C) combinedly-derive
D) none of the answers

Show Answer

Answer:B

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