Composite Insulators End Fittings
This product is special for badly polluted areas, high mecha nical tension load, long span and compact power line. And have features of light weight, small volume, unbreakable, anti-bend, high strenght for antitwist and stiong explosion protection.
| item | Dongwoo standard | |||||
| Electrical ratings |
Rated voltage | 45KV | 35KV | 25KV | 15KV | |
| Low frequency dry flashover voltage test | 190kv | 170kv | 150kv | 100kv | ||
| Low frequency wet flashover voltage test | 170kv | 140kv | 115kv | 70kv | ||
| Critical impulse | positive | 275kv | 255kv | 235kv | 180kv | |
| Flashover voltage test | Negative | 370kv | 345kv | 320kv | 260kv | |
| Radio influence voltage test | Max.voltage test | 1u/(Max) | 1u/(Max) | 1u/(Max) | 1u/(Max) | |
| Mechanical | Failing load test | 10.000kgf | 10.000kgf | 10.000kgf | 10.000kgf | |
| Number of sheds | 10 | 8 | 6 | 4 | ||
| Dimensions | Section length | 630mm | 540mm | 449mm | 352mm | |
| Leakage distance | 1100mm | 886mm | 674mm | 445mm | ||
| Mimimum arcing distance | 2190mm | 410mm | 320mm | 215mm | ||
Composite Insulators End Fittings product offered by Wenzhou Ruili Electric Co., Ltd.
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