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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
8 s& u0 \8 ~4 u6 z% G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，+ E1 n* l2 |$ D3 w- F: U
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, }/ a# g: [$ }$ S/ v, z
危害。" `1 h3 V1 K6 T: }' u
关键词: 高压架空输电线; 防冻方案; 自动防冻器; 发热电线
6 {" R( q, n7 v8 y) _& S/ V A Plan of Preventing the High Voltage Overhead Transmission Line, t2 o6 c; k1 @9 A% K
ZHUANG Shao-lin
x2 V# q: |7 Q0 a( Qingdao Harmony Electronics Co． ，Ltd，Qingdao 266410，China)
' M% Q0 h1 f" D, u7 R1 BAbstract: Introduce a plan of preventing the high voltage overhead transmission line from being frozen． In other9 c% g' V9 ^4 \4 U) T; ]: E
words，A antifreeze automatic controller and the heating line are attached with the high voltage overhead transmission
% D; r# O) h. z! Bline． When the temperature is below 3 degree，the antifreeze automatic controller will be opened，the heating-line’s
9 ]5 |6 N7 N) l% {temperature is begin to rise，the high voltage overhead transmission’s temperature is begin to rise． When the temperature! ?- Q) k( w1 l, f
is higher than 12 degree，the antifreeze automatic controller is closed． Consequently，the high voltage overhead
# E! x/ B3 k* {: y' Wtransmission line will not be frozen any longer． So according the plan，the disaster which is caused by the frozen high
3 i+ b/ a( H& u1 Z! O/ vvoltage overhead transmission line can be avoid．# ^" `$ F" f8 f. R2 N/ v3 U0 x! `
Key words: the high voltage overhead transmission line; an antifreeze plan; an automatic antifreeze controller; the: G% P- u6 B/ r3 Y/ k
heating line |
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发表于 2011-9-28 13:28:43
