Explosion-proof lightning arrester

Abstract

The invention discloses a high tensile insulator with the functions of explosion-proof and lightning protection and a lightning arrester with the function of explosion-proof in the electrical equipment field. The high tensile explosion-proof lightning protection insulator comprises an explosion-proof lightning protection device body containing cell-combination in series with effective large planedischarging gap valve box, where large current can be distributed evenly and can discharge under constant pressure and the inner periphery of the cavity opening is provided with a bulb and an iron cap which lie in a rabbet platform, a trough type hoop, a joint foot pole of the base of a hollow round platform and a tensile reinforcement combination used for preventing the dislocation caused by drawing. The explosion-proof lightning arrester of the invention comprises an explosion-proof lightning device body containing cell-combination in series with effective large plane discharging gap valve box, where large current can be distributed evenly and can discharge under constant pressure and a fixed shelving combination. The beneficial effect of the invention is that the high tensile explosion-proof lightning protection insulator and the explosion-proof lightning arrester can bear large surging, has low residual voltage and low energy loss, can resist electric sleet disaster and is safe and reliable.

Description

technical field [0001] The invention relates to an insulator with strong tensile force and explosion-proof and lightning-proof functions and a lightning arrester with explosion-proof and lightning-proof functions in electric equipment. Background technique [0002] 1. On the eve of the Spring Festival in 2008, the catastrophic accidents of large-scale icing in the power system occurred in the central and southern regions of our country. An ice cone is rapidly formed on the top, and a certain length of ice cone causes the phase conductor at its lower part to flashover and ground, resulting in a power outage. After the phase conductor is powered off, it is quickly cooled to freezing temperature, and the porridge-like water drops on the phase conductor with a larger diameter to quickly form ice, and then form a cylindrical ice body conductor. In addition, the ice body on the lightning protection line continues to increase cumulatively, and the weight of the overloaded ice body...

AI Technical Summary

Problems solved by technology

In addition, the ice body on the lightning protection line continues to increase cumulatively, and the weight of the overloaded ice body breaks the tip of the tower. When the total load on the tower exceeds the limit, the tower breaks or falls

[0003] 2. The arrangement of the power lightning conductor and the multiple phase conductors below it and the electromagnetic induction of the dynamic potential generated are equivalent to the primary and secondary circuits of the air dielectric transformer. When the arrester is grounded, the induced current on the lightning conductor passes through the earth to form a loop resulting in huge power consumption

In this state, if there are natural accidents such as lightning strikes, load shedding, single-phase grounding, automatic reclosing action, or vicious operating conditions such as overvoltage, it is very easy to cause explosion accidents and cause large-scale power outages in chains.

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