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摘要: 介绍一种高压架空输电线自动防冻的方案，即在架空输电线上附着防冻自动控制器及其相连的发热电
7 h, O% Q2 k: [线。当架空输电线温度低于3°C 时，防冻自动控制器将开启通电，使发热电线升温，提高架空输电线的温度，3 `" ^# g: J- s2 x6 o
所以不产生冰冻; 当升温到12°C 时，防冻自动控制器将关闭，停止通电。这样就可避免架空输电线冰冻的, v: _/ n" V" U/ F3 t
危害。' Z3 f& N p! f7 B7 _ j
关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
5 ^2 c7 c$ _( P, C5 n A Plan of Preventing the High Voltage Overhead Transmission Line
( M7 s. n0 J2 C% R! l. WZHUANG Shao-lin
2 A! |, ^! w: B, s( C2 }% j- e( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China)* u4 a) V" L0 u% J
Abstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other
N H# @5 b, @$ {0 U9 y+ j% y$ wwords，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission, ]+ w; ]* H6 ?: P. K
line． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s. c$ G6 p4 s- T) I
temperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature& P( s. b& C- a. ?* e+ t
is higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead3 [3 v( {" Z& A6 V: {! ^
transmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high
1 @* k+ _4 m, `8 A4 N+ c- svoltage overhead transmission line can be avoid．% u; c: d5 w0 |! E
Key words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the
2 q* X! R0 I0 eheating line |
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发表于 2011-9-28 13:28:43
