Over Fluxing or Over Excitation Protection 24 G. Over Fluxing relay is used to protect the generator against overheating and the winding insulation failure. Over fluxing protection is a popular protection in transformers, which is mainly used in power transformer. Principle of Over fluxing relay operation: All you know about the emf generation in the … Continue reading Generator Over Fluxing or Over Excitation Protection 24 G