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Research on Anti-icing Technology for Overhead Lines

Author: LiuHaoLiang
Tutor: ZhouLiXing；LuJiaZheng
School: Changsha University of Science and Technology
Course: High Voltage and Insulation Technology
Keywords: Transmission Line Anti-icing Ice growth model Critical current Monitor Artificial climate chamber
CLC: TM75
Type: Master's thesis
Year: 2011
Downloads: 72
Quote: 0
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Abstract


For the power transmission line icing system is one of the most serious natural disasters , caused by the inverted tower , disconnection and other accidents threaten the security and stability of power system operation. With the continuous development of the power industry , the grid structure is more complex, the power grid security and stability requirements are increasingly high , the power of science and technology has gradually developed into a multi-disciplinary, multi-domain fusion of integrated technologies. Icing Disaster permanent way that anti-icing technology . This article will attempt to meteorology, thermodynamics and the specific test and other multi-angle on the transmission line to conduct research into anti-icing . Papers in the existing line icing growth model , based on the theoretical perspective of the heat balance of icing process is studied , the establishment of icing heat balance equation , the establishment of the required minimum wire melting ice current simulation model . Through artificial climate chamber icing simulation to study the micro- meteorological conditions overhead ground ice growth law , and specific meteorological conditions LGJ-300 anti-icing wire critical current weather conditions for the micro- overhead ground line ice growth model and anti-icing wire critical current . Research combining weather forecasting , which can effectively predict subsequent multi-day line ice thickness , and based on a reasonable load allocation, can achieve line anti-icing purposes , and has been applied in Hunan power transmission line icing monitoring system. The paper also analyzes the causes of ice in Hunan Province , summed up its history icing rule, introduced in Hunan transmission line icing monitoring system and its applications .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Lines and towers
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