180-312kv High Voltage Substation Porcelain Composite Polymer Surge Arrester
180-312kv High Voltage Substation Porcelain Composite Polymer Surge Arrester image
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Product Details
180-312KV High Voltage Substation Porcelain Composite Polymer Surge Arrester
Surge Arresters Characteristics:
1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight.
2. Polymer Housed with silicone rubber, explosion-proof ZnO varistor as the core component is large
in flow capacity.
3. International standard IEC 60099-4 and ANSI 62.22, and with high reliability. With fully insulated tops, the product can be applied to the complete cabinet installation, which can reduce the designing size of cabinet.
4. Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free.
5. Polymer housed products with a six CTI level, creepage distance meets the requirements of IV level in heavy pollution areas.
Technical Parameters:
Rated voltage: 180-312KV
Maximum system voltage: 245-362KV
Continuous operating voltage: 336KV
Height b: 2870-3665mm
Creepage distance: 6300-9350mm
Lightning impulse withstand: 850-1050KV
Power frequency voltage withstand(dry/wet): 360-950KV
Mximum System voltage Kv Um |
Rated voltage KV |
Continuous operating voltage KV |
1/5μs residual steep impulse current KV |
8/20μs residual voltage of lightning impulse current |
30/60μs residual voltage impulse current KV |
Line discharge level |
2ms long durationg current A |
4/10μs high current impulse KA |
||||||
IEC |
ANSI |
10KA |
20KA |
5KA |
10KA |
20KA |
0.5KA |
1KA |
2KA |
|||||
245 300 362 |
242 362 |
180 |
106 |
500 |
557 |
426 |
463 |
511 |
362 |
374 |
387 |
2 |
800 |
100 |
486 |
534 |
410 |
450 |
490 |
353 |
365 |
378 |
3 |
1000 |
100 |
||||
192 |
153 |
525 |
577 |
443 |
486 |
529 |
382 |
395 |
409 |
3 |
1000 |
100 |
||
198 |
158 |
539 |
592 |
455 |
499 |
543 |
382 |
405 |
419 |
3 |
1000 |
100 |
||
210 |
170 |
570 |
627 |
482 |
528 |
575 |
416 |
430 |
445 |
3 |
1000 |
100 |
||
216 |
172 |
558 |
645 |
496 |
544 |
592 |
427 |
441 |
457 |
3 |
1000 |
100 |
||
222 |
179 |
582 |
650 |
497 |
539 |
596 |
432 |
446 |
462 |
4 |
1200 |
100 |
||
228 |
182 |
598 |
666 |
510 |
554 |
611 |
443 |
458 |
474 |
4 |
1200 |
120 |
||
240 |
192 |
618 |
704 |
527 |
872 |
646 |
458 |
473 |
490 |
4 |
1200 |
120 |
||
312 |
249 |
822 |
903 |
694 |
761 |
828 |
598 |
618 |
640 |
3 |
1000 |
120 |
Working Condition:
- Environment temperature: -40–+40 degree
- altitude:<1000m
- 48HZ<Rated frequency<62HZ
- Power frequency voltage should not be more than continuous running voltage
- Max wind speed should be less than 35m/s
- Earthquake intensity should be less than 7 degree
- If used in contamination area, should be noted in advance.
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Tags: Arrester, hzyddq, Surge Arrester, Surge Protection