Analysis of Line Loss Characteristics and Influencing Factors of Distribution Network Based on Metrological Automation System
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Abstract
The line loss rate is an important comprehensive index of technology and economy of distribution network. In order to facilitate line loss management, this paper takes an actual 10kV distribution network in Dongguan as an example to study the characteristics of line loss and its influencing factors based on the data of metrological automation system. Firstly, the monthly variation characteristics and the composition of the line loss are analyzed, and the influence of power supply, average load factor, minimum load factor, shape factor and power factor on line loss is revealed by correlation coefficient. The line loss of the monthly working days and holidays are further analyzed, revealing the differences of the characteristics of the two and the causes. Finally, the analysis system of the line loss characteristics and the influencing factors in three time dimensions is established. In this way, the change characteristics of line loss can be reflected fully. The various factors of line loss also can be analyzed quantitatively.
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