The problems are analyzed in this paper too. At last the criteria of qualified household iron switchcabinet are stated and simple identification method is introduced.
In recent years, with national high attention to coal mine safety and the non-oil development of home high-pressure switchcabinet, mine use high-pressure vacuum switchcabinet has a good market.
The cause of failure in high-voltage switchcabinet model 35KV is analyzed from insulation and structure and some countermeasures are introduced in order to avoid such failure.