高压架空输电线自动防冻方案

zhaogy2006

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
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，
  P. _/ j: N- U! ?5 f4 K: U4 F8 l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
% ?0 ]: N" z2 k危害。
关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
A Plan of Preventing the High Voltage Overhead Transmission Line
, v2 H/ @/ B& m/ l$ {0 JZHUANG Shao-lin
% }6 f7 X0 f$ C" P( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China)
5 z7 G- m; O0 ]- V/ o5 C4 q: o- nAbstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other
words，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission
3 h* S+ @, s. m, p. v% Xline． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s
) O: M* t" ~; Btemperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature
+ O, d2 o) [4 Mis higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead
4 Y0 C1 g: X& A% e+ utransmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high
voltage overhead transmission line can be avoid．
. ~, d& M0 Y, T9 r" w1 X9 DKey words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the
heating line