my countrys two world-class shield machines successfully rolled off the assembly lineOn May 10, the industrial test results of the domestically produc …

Report: State Grid Co., Ltd. resolutely implements a series of major decisions and arrangements for poverty alleviation by the Party Central Committee …

Report: Recently, State Grid Anhui Electric Power plans to achieve data access for 100% of new companies and 90% of existing companies in the national …

The 2018 Central Economic Work Conference proposed to accelerate the pace of 5G commercial use and strengthen the construction of new infrastructure s …

The first 252 kV bus tie fast circuit breaker is qualified for grid-connected applications News from this newspaper at 15:00 on October 31, in the 220...

According to the latest data released by Markets and Markets, an international market research organization, the global circuit breaker market will re …

According to the arc extinguishing medium used by the circuit breaker, it can be divided into the following types:1. Air circuit breakerThe air circui …

1. American box change:1) The wiring form of the box-transformer One or two 10KV incoming lines; the capacity of a single transformer is generally 500 …

The leakage circuit breaker is a switch that can automatically act when the leakage current in the circuit exceeds a predetermined value. Commonly use …

This year, the state plans to supervise and spot check the quality of 131 kinds of productsThe reporter learned from the State Administration for Mark …