Effect of sequential phase energization on the inrush current of a delta connected transforme

Basu, , K. P and Asghar, , Ali and Morris, , Stella (2006) Effect of sequential phase energization on the inrush current of a delta connected transforme. In: 2006 IEEE International Conference on Power Electronic, Drives and Energy Systems, Vols 1 and 2.

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Abstract

Magnetizing inrush current in power transformer creates severe power quality problems. Energization of the transformer from the delta side of a delta-star transformer does not allow the control of neutral resistor at the time of switching the supply for reducing the inrush current Controlled switching at peak value of the voltage may reduce inrush current in one winding of the transformer, but the line currents are not reduced. Delayed and controlled energization of the third phase may reduce inrush winding currents in two windings and only one line current is reduced, but the inrush currents in the other two lines become very high. Simulation studies of delta side energization of a delta-star transformer depict the results under various switching conditions.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QA Mathematics > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 21 Sep 2011 08:16
Last Modified: 21 Sep 2011 08:16
URI: http://shdl.mmu.edu.my/id/eprint/2130

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