Polychlorinated Biphenyls (PCBs) are a class of man-made organic compounds with no known natural source, commercially produced for a wide variety of uses in 1900s. Their chemical properties, such as non-flammability, heat resistance, insulation) and physical stability...

Transformers are electrical devices used for energy transfer by electromagnetic induction between two or more circuits. Like all electrical devices, faults also happen in transformers which may have catastrophic consequences. When a fault in a transformer occurs,...