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The effect of ceramic insulator in transmission line
Ceramic insulators in the transmission line effect, ceramic insulator commodity butterfly insulator with a needle type insulator is mainly used for hi...Introduction of Line Insulators,Rod insulator,Disc-shaped insulator
Line insulator is used to refer to the transmission line conductors insulated box fixed insulator, insulators for high voltage transmission line has a...Welcome customers to visit the factory!
waiting at the airport for a long time they received the afternoon Minqing arrived, they asked me very puzzled, "Do you have a road traffic regulation...
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line post insulators
- horizontal clamp type line post insulators are manufactured and tested to the requirements of ANSI Standard C29.7
- Color:brown and gray
|
ANSI Class |
57 -21 |
57-22 |
57-23 |
57-24 |
57-25 |
||
|
Leakage distance/ mm |
356 |
559 |
737 |
1015 |
1145 |
||
|
Dry arcing distance/ mm |
165 |
241 |
311 |
368 |
438 |
||
|
Cantilever strength/ kN |
12.5 |
12.5 |
12.5 |
12.5 |
12.5 |
||
|
Average flashover voltage |
Low-frequency |
Dry/kV |
80 |
110 |
125 |
150 |
175 |
|
Wet/kV |
70 |
100 |
115 |
135 |
160 |
||
|
Critical-impulse |
Positive/ kV |
130 |
180 |
210 |
255 |
290 |
|
|
Negative/ kV |
155 |
205 |
260 |
340 |
380 |
||
|
Radio-influence voltage date |
Test voltage to Ground/ kV |
15 |
22 |
30 |
44 |
44 |
|
|
Maximum RIV at 1.000kc/μV |
100 |
100 |
200 |
200 |
200 |
||
|
Net weight each approx./kg |
7.5 |
10.5 |
12.7 |
16.8 |
9.5 |
||
|
Number in standard package |
6 |
3 |
3 |
2 |
2 |
||
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