rating votlage 48/66kv 56/77kv , cable section 150--1600mm2
64/110kv cable section --2000
| 110kV Porcelain bushing terminal | | Read:132 2011-12-3 |
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| Suitability:Rated voltage for 64/110kV,76/132kV ,cross-linked outdoor power cable terminal with standard cross section:240mm22500mm2.The insulation level of the terminal, the current-carrying capacity and operating temperature meets the requirements of the relevant cables.Suitable for large chemical,steel and power enterprises ,coastal areas and places far away from urban central regions at an environmental temperature between -400F and +600F. Features: made up by high strength inorganic electromagnetic materials:outstanding long weatherability,anti-electrical erosion,excellent hydrophobicity performance.Raw materials of the stress cone is made up by world-class imported liquid silicone rubber with high elasticity,Multilayer sealed structures to avoid leakage in the process of operation,length terminal's working lifeCold pre-dilation technology is adopted to install stress cone ;convenient and swift installationeach performance index fully meets the requirements of GB/T11017,IEC608406100% delivery Test,reliable quality | Serial number | item | Performance requirements | 1. | Type(porcelain shell) | porcelain shell,porcelain,Aluminum Alloy) | 2. | Model number | JYZWC4 | 3. | Permissible current rating under continuous operation | not less than connection cable | 4. | the current load in the case of short circuit | not less than connection cable | 5. | prefabricated stress cone of semiconductive materials | Imported liquid silicone rubber | 6. | prefabricated stress cone of insulated materials | Imported liquid silicone rubber | 7. | Size(diameter height)(mm) | porcelain shell 405/1820 | | | | 8. | Weight(kg) | 120 |
9. | Pollution level | IV | 10. | Creepage distance of the external insulator (mm) | >=4005 | 11. | Dry arc distance of the external insulator (mm) | 1220 | 12. | Rated power frequence withstand voltage in 1 min (kv) | 230 | 13. | Maximum rated lightning Impulse Withstand voltage (kV) | 550 | 14. | Maximum rated switching impulse withstand voltage | 550 | 15. | insulating compound | polyisobutylene | 16. | Maximum allowable horizontal tensile force (kN) | >=2 | 17. | Support insulator | Accord with GB/T775 |
Electrical equipment capability | voltage grade (kv) | Rated currentU0(kV) | Maximum operating voltage Um(kV) | industrial frequency withstand voltage(30min) | BIL (kV) | Creepage distance (mm) | | | 64/110 | 64 | 126 | 160 | 550 | 3910 | 76/132 | 76 | 145 | 190 | 650 | 4500 |
Size:580x2000Weight:130kg |
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procelain compound sleeve termination
