Experience from Application of Transmission Line Arresters in Romania
The 400 kV Gutinas-Brasov overhead line is located in a mountainous area that has mostly rocky soil. Thick ice covers conductors during winter and has caused breakage of the shield wire such that it had to be dismantled in severely affected sections. Without shielding, these sections were left vulnerable to lightning strike. Read More >
Application of Composite Insulators at Substations: Policy, Driving Forces & Service Experience
Due to safety concerns, composite hollow core insulators were introduced at Swedish substations by the late 1990s and only such insulators are now used for all apparatus. Until recently, however, there were no specifications for post insulators, which could be supplied either in porcelain or of composite type. Read More >
