Volume 9 Number 4 (Apr. 2014)
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JCP 2014 Vol.9(4): 875-882 ISSN: 1796-203X
doi: 10.4304/jcp.9.4.875-882

A Modified Optimization Model for the Location Selection of Distribution Transformer Used in Rural Power Network

Chao Tang1, Shiping Zhu1, Jiao Li2, Daojun Zhang3, and Jun Yang3
1College of Engineering Technology, Southwest University, Chongqing, China
2University Library, Southwest University, Chongqing, China
3State Grid Chongqing Yongchuan District Power Supply Co. Ltd, Yongchuan, Chongqing, China


Abstract—The rural power networks play a very important role in the power network in China. The rural networks built in the old days are usually not standardized, and therefore, a lot of problems emerged these days. Such as, most of the transmission line is aged, the insulation ability of the transmission line degraded, the household voltage is relatively low, the distribution network line loss is very high, and so on. As the rural power network mainly distributes in the hilly and mountainous land, the altitude of the load points has an important impact to the location of distribution transformer. Meanwhile, because of the existence of the sag, the length of the transmission line is not a straight-line distance. Therefore, this paper modified the traditional optimization model used in the location of distribution transformer, introduced the line correction coefficient (α) which was connected with the sag, improved the line distance computational formula according to the altitude of the load points, and put forward the modified optimization model which is called M-TLOM. Then, an optimized location system of distribution transformer (DTLOS 1.0) based on the Visual Basic 6.0 was developed. The instance analysis indicated that, the modified model could reduce the loss of distribution network.

Index Terms—rural power network, distribution transformer, location selection, model research, modified optimization model

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Cite: Chao Tang, Shiping Zhu, Jiao Li, Daojun Zhang, and Jun Yang, "A Modified Optimization Model for the Location Selection of Distribution Transformer Used in Rural Power Network," Journal of Computers vol. 9, no. 4, pp. 875-882, 2014.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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