With the continuous development of urban distribution network, most of the distribution network has formed a dual power supply mode. The traditional way of distribution network load operating mainly adopts the power method, while satisfied the requirements of the safety of power grid, but will cause external short time power outages, poor user experience, realizing the distribution network outage rearrangement of load is a necessary means to improve power supply reliability. This paper presents mathematical model of load transfer in distribution network. The differences of voltage of amplitude and phase angle on both sides are calculated by the power flow. According to the differential pressure to determine whether the loop can be closed at the loop operation, thereby improving the success rate of operation.
References
[1]
Liu, L., Yu, H.R. and Jin, X. (2008) Analysis of Loop Power Flow’s Transient Process. Mechanical & Electrical Engineering Magazine, 25, 74-76.
[2]
Xia, X., Xiong, J. and Hu, L.X. (2004) Analysis and Control of Loop Power Flow in Regional Power Network. Power System Technology, 28, 76-80.
[3]
Lv, B.L., Liu, M. and Xu, T.F. (2013) Comparison of Flow Calculation Methods for Quick Decoupling. Jiangxi Electric Power, 37, 67-69 + 89.
[4]
http://www.chinaqking.com/yc/2012/254556.html
[5]
Rules for the Operation of Power System Operation. State Grid Corporation of China.
[6]
Chen, X., Wang, L. and Li, Y. (2005) Analysis of Surge Current Due to Closing Loop in Distribution Grid. Electric Power Automation Equipment, 25, 40-42.
