The method of arc quenching with a variety of gas mixtures has long been known both in scientific physics and in the production process. Modern equipment with prepared gas SF-6 inside is widely used for industrial purposes to prevent accidents. But what exactly are the processes that take place at this moment in the device itself, is not known to everyone. Therefore, below we will consider the principles on which such a device as a gas-insulated switch is based. Design Features An elegas circuit breaker is a device designed to control and supervise high and medium voltage power grids. It is similar in construction to an oil circuit breaker, but instead of an oil mixture, there is gas inside. Also, this comparison shows that the gas-insulated unit is much more durable and requires less maintenance. Usually sulfur is used as a gas, but other mixtures also exist.There are the following types of designs: rotary; air; longitudinal. Principle of operation and applic
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