Solution for Insulation Transformation of Overhead Bare Conductors
Classification:
Smart Power
There are a large number of overhead bare wires in the power grid distribution lines, which often pass through woods, waters, high-rise buildings and densely populated areas, and very prone to accidents such as personal electric shock, bird’s nest grounding tripping, and tree short circuit fire and so on.
With the rapid development of urbanization in China, such accidents occur frequently, seriously affecting the safe operation of the power grid and posing a great threat to the safety of people’s lives and property.
Bare conductors crossing densely populated areas Fishing under high-voltage lines Short circuits in trees cause wildfires Insufficient distance between house lines
At present,the insulation rate of the distribution network is about 29%, and there are two main methods to carry out safety transformation of the existing overhead bare wires:replacing the insulated wires and overhead insulation.
| Replace and bury insulated conductors | Insulation coating | |||
|---|---|---|---|---|
| hot-line working | power cut |
|
hot-line working | electrification |
| Security risk | High | Security risk | Low | |
| compensation of young crops for land acquisition | Need | compensation of young crops for land acquisition | No need | |
| Construction time | Long | Construction time | Short | |
| Cost | High | Cost | Low | |
10KV/35KV
Autonomous on-off and off-line power-up operation 30min table dry
12h full dry
No need to use insulated bucket arm car
high quality coating, uniform thickness without eccentricity
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