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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 T, ?- _6 Z5 ~" M6 M2 \) |
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，
) n8 R$ }& |1 R3 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( E! X- H+ r" a6 \ J
危害。
' d" C1 Z5 L6 S7 g关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
" u7 n9 L; }# |4 d: A) G A Plan of Preventing the High Voltage Overhead Transmission Line9 v/ x0 _2 c% {$ ?' P: K& E
ZHUANG Shao-lin* F2 X0 E- h7 O! S, W# u" Z
( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China)
q# D' d# k2 H* c7 j) eAbstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other
: w: |5 \5 j1 ]4 T$ F' x; zwords，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission/ y& f7 l! L- ^ N
line． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s( z. S+ z; t& p0 ~6 A
temperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature
/ G9 t+ x" q9 Q6 qis higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead# G$ N. R! p9 I- b
transmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high2 L, I7 M; r6 V( y; F- L/ c
voltage overhead transmission line can be avoid．
0 S+ y2 O6 a* [8 F) l$ n$ nKey words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the
! Z+ h1 q% w4 h S9 @. D$ Kheating line |
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发表于 2011-9-28 13:28:43
