embedded poles,solid embedded poles

It is of great significance to study the design and optimization of the insulation structure of the solid pillar based on the electrostatic field analysis. In this paper, the electric field distribution of 12kv embedded poles is obtained by electrostatic field analysis, and the electric field distribution of the electric field is extracted, such as grounding shield net and air field near the bolt. The dielectric strength of the insulating medium indicates that the electric field strength in the air field near the bolt exceeds the dielectric strength of the air causing the local discharge to be excessive. Then, based on the theory of electrostatic field combined insulation, a method of reducing the field strength of the air field near the bolt is proposed by adding a flange shield between the fixed hole stud fixing hole and the soft silicone rubber without changing the mold. The maximum field strength of the air region near the bolt is reduced from 5.8 MV / m to 0.32 MV / m by the ele...

First, modular design, simple structure, less removable parts, high reliability; Second, very high insulation rod capacity. It will surface insulation into volume insulation, compared to air insulation, reducing the impact of the environment, greatly improving the dielectric strength. It can make the circuit breaker size, is conducive to miniaturization of the switchgear. Previously, the general vacuum interrupter insulation shell exposed to the air, there is outside the dust, wet pollution problems. To reduce this effect, the vacuum interrupter housing is required to have sufficient length, which not only affects the miniaturization of the vacuum interrupter, but also the performance and reliability of the vacuum interrupter. The solid-sealed pole has the following advantages: Compared with the traditional assembled pole, the number of parts of the embedded poles is reduced greatly, the overlapping surface of the conductor is reduced from 6 groups to 3 groups, and the connection...