shemar-8181801威尼斯

the company successfully developed all series htv hollow composite insulators in 1999, and the performance can meet the requirement of 30 years of service life requirement (composite insulators for global lines have been proved by extensive practices) with more competitive cost than other …

the flashover accident of porcelain insulators is one of serious threats to safe operation of power grid. traditional washing, cleaning and spraying of anti-pollution flashover coating and solution for equipping auxiliary shed cannot absolutely solve flashover of porcelain insulators. thro…

at present, the equipment may suffer unexpected oil leakage and spill because of sealing of operating equipment. when handling oil leakage and spill problem, several typical problems exist as follows: 1. end users do know specifications of the sealing ring when replacing the sealing ring, …