CT Star point connection for metering core should be towards line or cable or transformer side.
In energy meter IMPORT reading should be -ve sign
EXPORT reading should be +ve sign
In line feeder power towards bus and current develop 180 dec displaced and
Energy meter shows -ve reading.(Power inter in earthing point side P2 side)
In cable feeder power outwards to bus and current develop 0 dec displaced and
Energy meter shows +ve reading.(Power inter in side P1 side)
