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http://dx.doi.org/10.6113/TKPE.2013.18.3.256

Control Method for Reducing Circulating Current in Parallel Operation of DC Distribution System for Building Applications  

Kim, Hack-Seong (School of Robot & Automation Engineering, Dongyang Mirae University)
Shin, Soo-Cheol (Dept. of Electronic Electrical and Computer Engineering, Sungkyunkwan University)
Lee, Hee-Jun (Dept. of Electronic Electrical and Computer Engineering, Sungkyunkwan University)
Jung, Chul-Ho (Dept. of Mechanical System Engineering, Sungkyunkwan University)
Han, Dong-Woo (Dept. of Electronic Electrical and Computer Engineering, Sungkyunkwan University)
Won, Chung-Yuen (College of Information and Communication Engineering, Sungkyunkwan University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.18, no.3, 2013 , pp. 256-262 More about this Journal
Abstract
In the large system such DC distribution for building, the method that a number of modules converters operation in parallel is commonly used. When parallel operation, circulating current is directly related to the loss of the entire system. Accordingly, each module to share the same current is the most important for the safety of the power system. In this paper, control method for reducing circulating current in parallel operation is proposed. furthermore response and operation of steady-state with parallel system was verified by simulation and experiment results.
Keywords
circulating current; PI power controller; parallel operation; DC distribution;
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