單項選擇題

Insulation light is located on.（） of main switchboard.

A.Paralleling panel
B.Load panel
C.Emergency generator control pane
D.Main generator control pane

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單項選擇題

Synchrocope and synchro light are located on （） of main switchboard.

A.load panel
B.emergency generator control panel
C.battery changing and discharging panel
D.paralleling panel

單項選擇題

To （） , the power is supplied by main switchboard directly not though sub-board.

A.save network cost
B.improve the reliability of supplying power to important load
C.prevent sequence reverse
D.increase the power factor of important load