Ferroresonance Analysis In Three Phase Voltage Transformer

Muhammad Asraf, Yusof (2012) Ferroresonance Analysis In Three Phase Voltage Transformer. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project is to identify and analyze ferroresonance phenomenon in term of power quality issues especially in three phase voltage transformer. There are lots of power quality problems which can occur in electrical power system such as voltage swell, frequency variations, harmonic distortion, and voltage fluctuations. Ferroresonance is one of them. This project focuses on ferroresonance which will briefly describe ferroresonance phenomenon in power quality problem. Ferroresonance can be defined as a sudden overvoltage and over current at a point of transient in the electrical power system in a short period of time. Ferroresonance in voltage transformer can occur due to switching process or lightning strike activities. Ferroresonance is difficult to analyze and the occurrence of the phenomenon of ferroresonance is unpredictable. Electrical equipment such as voltage transformer, capacitor voltage transformer and switchgear that deals with ferroresonance phenomenon can cause serious damage to the equipment. Analysis of Ferroresonance in Three Phase Voltage Transformer will be conducted by using software Power System Computer Aided Design (PSCAD). To run the simulation, all the factors that can cause the ferroresonance have to be identified. During the simulation, type of fault and the tapping of transformer parameter will be analyzed. From the simulation, transient response will be obtained from PSCAD simulation and each of the transient response of ferroresonance will determine the characteristics of the ferroresonance in three phase voltage transformer. Throughout this project, ferroresonance activity will be analyzed especially in three phase voltage transformer.

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