BS IEC 60076-21:2011 pdf – Power transformers Part 21: Standard requirements, terminology,and test code for step-voltage regulators

BS IEC 60076-21:2011 pdf – Power transformers Part 21: Standard requirements, terminology,and test code for step-voltage regulators. The impedance voltage of a oltage regulator is the voltage required to circuLate rated current through one of two specified windings when the...