Authors: Damini Bhaiyya Chakve, Sakshi Rajendra Khaire, Prof. P. M. Mankar
Abstract: An accurate electrical current transducer is a key component of any power system instrumentation. To measure currents power stations and substations conventionally employ inductive type current transformer with the short circuit capabilities of power system getting larger and the voltage level going higher the conventional current transducer becomes more bulky and costly. It appear that newly emerged MOCT technology provide the
solution for many of the problem by the conventional current transformer. MOCT measure the rotation angle of the planed polarised light caused by the magnetic field and convert it into a signal of few volt proportional to
the magnetic field. Main advantage of an MOCT is that there is no need to break the conductor to enclose the optical path in the current carrying circuit and there is no electromagnetic interference.
Keywords: MOCT technology, Optical Path, Faraday Effect, Power system
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