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The Simulation and Analysis of the Lightning Back-flashover Protection Performance of the Medium Voltage Distribution Network

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1 Author(s)
Li Zhina ; Chongqing Electric Power Corporation, Chongqing, 400001, China. lzn@cqep.com.cn

The neutral non-grounding mode with unshielding is adopted for Chinese medium voltage distribution network, which increase the difficulty to analyze and calculate the lightning protection performance using the classical prescriptive method. In this paper, the ATP-EMTP program is applied to simulate and analyze the lightning back-flashover performance of a medium voltage distribution network with two typical towers. Then it puts forward the measures to upgrade the lightning back-flashover protection level of medium voltage distribution network.

Published in:

High Voltage Engineering and Application, 2008. ICHVE 2008. International Conference on

Date of Conference:

9-12 Nov. 2008