145kV 4kN HTV Silicone Composite Insulator in Substation
Composite Insulator in Substation
| Rated Voltage | Height | Dry Arcing Distance | Creepage Distance | Specified Cantilever Load (SCL) |
Rod | No. od sheds | Wet Power Frequency Withstand Voltage (kV) |
Lightning Impulse Withstand Voltage (kV) |
| 145kV | 1480±20mm | 1325mm | 3830mm | 4kN | 70mm | 27 | 275 | 650 |

Products Description
Composite Insulator in Substation
In the early years, station post insulators were mostly used for telegraph poles. With the development of science and technology, a lot of disc-shaped insulators were hung at one end of the high-type high-voltage line connection tower, which was to increase the creepage distance.Insulators play two basic roles in overhead transmission lines, that is supporting conductors and preventing current from returning to the ground. These two roles must be guaranteed. Insulators should not fail due to various electromechanical stresses caused by changes in the environment and electrical load conditions, which will damage the operating life of the whole line.
Silicone Rubber Housing
Better hydrophobicity
Better hydrophobicity migration performance
Better pollution resistance
Excellent electrical insulation properties
Excellent aging resistance
Corrosive Resistance Fiberglass Core
Excellent resistance to high temperature, stress corrosive & acid attack
Better damping Performance
High tensile strength (>1200Mpa)
Excellent creep resistance
Excellent anti-fatigue fracture properties
Crimping & Multiple Sealing
High mechanical strength
Small dispersion
Reliable sealing performance between rods and end fittings
Application

FAQ
1. Are you a factory or trading company?
We are a professional ISO-certified factory.
2. Where is your factory located? How can I visit there?
Our factory is located in Wuhan City,Hubei Province, China.
We also welcome online video inspections of our factory at any time.
3. Can customers visit and inspect the factory?
A: Yes. Factory visits, inspections, and third-party audits are warmly welcomed at any time.
4. Do you provide technical support?
A: Yes. We have dedicated technical engineers to provide professional technical consultation before, during, and after sales.
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