- Transformers
- Silicone Insulator
- Ceramic-insulator
- Polyethylene Pin Type Insulator And Accessory
- Silicone Surge Arrestor
- Fuse Cutout Switch
- Isolator Switch
- New Develping Products
- End Insulator Fitting
- Cutout Fitting&Accessory
- Winding Mov Suge Arrestor Core
- Cable Cover&Pinpost-housing
- Bushing
- Silicone Rubber
- Ring Main Unit
- EV Charger
- Epoxy Bushing
- Cable Kit
- FRP POLE
- FRP ROD
Epoxy Bushing
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Description |
Test items |
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Air tightness (Pa-m²/s) |
X-ray inspection |
Power frequency withstand voltage |
Partial discharge |
Lightning impulse |
Loop resistance |
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202 bushing |
≤1.0×10⁸ . |
No bubbles, noimpurities |
42kV,1min |
15kV下，≤5pc |
一 |
一 |
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285 bushing |
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Side-expanding busing (State Grid standard cabinet) |
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48kV,1min |
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Environmental protection cabinetinlet and outlet bushing (normal models) |
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42kV,1min |
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Environmental protection cabinetinlet and outlet bushing (extended models) |
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Side expansion bushing (forenvironmental protection cabinet) |
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48kV,1min |
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Supportinsulators |
一 |
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12kVunder lsolation Circuit Breaker Pole (For Solid Insulated Cablnet) |
一 |
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to earth 42kV,1min; fracture 48kV,1min |
1.2Ur下，≤5pC |
ta earth 75kV; fracture 85kV |
≤70μQ |
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slandard:GB/T4109-2008、GB/T11022-2020、EN50181,DL/T1586-2016、GB/T11022-2020 |
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