Citation

Basu, Kartik Prasad and Fathollahi Farda, Ali Asghar (2014) Simple switching technique reduces inrush current in transformers connected in parallel. Electric Power Components and Systems, 42 (16). pp. 1771-1775. ISSN 1532-5008

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Abstract

Many transformers may be connected in parallel to a distribution busbar to supply the load. Restoration of power supply after a black-out is carried out by switching on the transformers one by one, producing high inrush current at the instant of switching of each transformer. It is proposed that circuit breakers connected to all transformer secondaries should be closed first. Then, closing the primary side circuit breaker of the first transformer also energizes all remaining transformers from the secondary side. Inrush current in the first transformer with closed secondary circuit breakers of all transformers does not increase to a very high value. No inrush current is produced during subsequent switching of any other transformer from the primary side, as they are already energized from the secondary side.

Item Type:	Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Engineering (FOE)
Depositing User:	Ms Nurul Iqtiani Ahmad
Date Deposited:	16 Dec 2014 03:12
Last Modified:	16 Dec 2014 03:12
URII:	http://shdl.mmu.edu.my/id/eprint/5834

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