128. In the diagram of the switchboard shown in the illustration, what is the purpose of the current transformers

128. In the diagram of the switchboard shown in the illustration, what is the purpose of the current transformers

transform relatively high generator load current to low instrument input current for ammeters, wattmeters, and the power factor meter
transform relatively low generator load current to high instrument input current for ammeters, wattmeters, and the power factor meter
transform relatively high generator load current to low instrument input current for voltmeters
transform relatively low generator load current to high instrument input current for voltmeters

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