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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 ]% t: b& D- N k) m/ J: M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，0 T3 n- }: O& \/ G2 c5 e( ?% w9 }8 M
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( D3 ^4 i% t! h& o( V6 [& Z0 O4 [0 t
危害。
# q. i. `( O/ @关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
, w% y. k- b" S, w A Plan of Preventing the High Voltage Overhead Transmission Line
& `8 ?. ]8 H' j. y2 T( T9 ?9 NZHUANG Shao-lin
4 z: u. h$ i: r4 o S' ~( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China): _8 S) k. g) o3 t. y% ]$ I- V1 w; b
Abstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other
% P5 ~7 m- h& {! Iwords，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission
' ~! Z7 A1 `) C3 Eline． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s
0 w- E @' q8 o9 V3 ]8 v8 A/ I- xtemperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature1 F; C& S7 o$ D. y: {
is higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead% O2 m" R! V* F- i+ t
transmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high# Y C+ y0 L) y* r! O
voltage overhead transmission line can be avoid．& B, T# X- E* G1 ]0 H- l/ D
Key words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the3 _& M& y! q& d9 A& K% u3 H
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发表于 2011-9-28 13:28:43
