Jun 11, 2010 #1 T Tukan Junior Member level 1 Joined May 24, 2010 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Slovakia Activity points 1,406 Hello, can somebody give me advice how to calculate the power consumption of the transformer's primary choke, when no load is applied to secondary winding please? My transformer parameters are: primary winding voltage rate = 230V primary choke impedance = 2000 Ohms I just know only abut this formula P = V * I * cos(phi) but this is probably unusable for me. Many thanks.
Hello, can somebody give me advice how to calculate the power consumption of the transformer's primary choke, when no load is applied to secondary winding please? My transformer parameters are: primary winding voltage rate = 230V primary choke impedance = 2000 Ohms I just know only abut this formula P = V * I * cos(phi) but this is probably unusable for me. Many thanks.