On a 400/10/5A ring CT, (the 10 being the test winding) can someone answer 1. how the test winding interacts with the main winding, 2. why the test winding is left open circuit.
On a 400/10/5A ring CT, (the 10 being the test winding) can someone answer 1. how the test winding interacts with the main winding, 2. why the test winding is left open circuit.
