Which connection method is correct when using a CT and PT with a wattmeter?
1
CT is connected in series with the wattmeter current coil, and PT is connected in parallel with the voltage coil.
2
CT is connected in parallel with the wattmeter current coil, and PT is connected in series with the voltage coil.
3
Both CT and PT are connected in series with the wattmeter.
4
Both CT and PT are connected in parallel with the wattmeter.