چکیده مقاله
Ferroresonance phenomenon is likely in cable distribution systems particularly in ungrounded systems The distortion amount of voltages and currents as well as overvoltages and overcurrents in the system are a function of system parameters such as phase to ground capacitance and transformer magnetic characteristic In this paper a typical distribution system with three transformers having different core characteristics is considered and ferroresonance effect on measured voltages is studied for various conditions using Electro Magnetic Transient Program EMTP Simulation results revealed that the severity of ferroresonance and voltage distortions in modern power transformers feature high inductance in their linear region and low core losses is more than conventional ones The results also indicated that the total harmonic distortion of voltage during ferroresonance greatly depends on the system parameters
کلیدواژهها
نویسندگان
Mohammad Hadi Zare
Faculty of Electrical and Computer Engineering, Yazd University, Yazd, Iran
Ahmad Mirzaei
Faculty of Electrical and Computer Engineering, Yazd University, Yazd, Iran
شیوه ارجاع
Zare, Mohammad Hadi and Mirzaei, Ahmad,1394,Impact of Transformer Magnetic Characteristic on Voltage Measurements during Ferroresonance,International Conference on New Research Findings in Electrical Engineering and Computer Science,Tehran
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