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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
2 g% ^$ f1 ]" R1 Q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， B# A( w- }/ H/ o* Y: ]: H& T
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
! k8 E' ?( x R& V7 G4 K o) z危害。
* \5 y! a4 R R( f' F关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
5 {3 e8 }9 T9 L' ^0 c& ]- Y A Plan of Preventing the High Voltage Overhead Transmission Line+ a& v5 T S8 l9 N$ S7 I( O
ZHUANG Shao-lin
3 h3 O8 l* J# a- O: Q3 c( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China)3 R0 p: r9 t6 ?) d9 ~5 {9 b) `* o
Abstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other
7 i/ c5 g; t4 N7 l i" @: k) S, lwords，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission s# b3 G0 N' Q$ d4 k
line． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s4 ]) G. d- d' c. _, t9 G8 P
temperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature
( ?* z% S0 i: x( x* l& y lis higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead
' h9 [# T* \4 L8 ?transmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high3 {4 m" y& h" q9 H# w5 C/ x. Y" `, o
voltage overhead transmission line can be avoid．
% C) |$ [+ E1 G L! C% e! C8 d+ iKey words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the
; o0 p" ~3 `! D" r) V9 D. Uheating line |
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发表于 2011-9-28 13:28:43
