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SMR-ZJB transformer neutral point gap grounding protection complete device
- Description
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1. Product Overview
The SMR-ZJB series transformer neutral point gap grounding protection device designed by our company is a specialized complete set of equipment for neutral point overvoltage protection in 110KV/220KV transformers. The entire set of equipment is centered around the SMR-ZJB series transformer neutral point protection gap, and is equipped with isolating switches and surge arresters based on the operating environment and user requirements. The typical usage schemes mainly include: isolating switch and surge arrester discharge gap combination scheme, isolating switch discharge gap combination scheme, and pure gap scheme.
2. Product Features
The SMR-ZJB series transformer neutral point protection gap is manufactured according to the relevant regulations on gap protection for transformers in effectively grounded power networks of 110kV and 220kV as specified in DL/T-620-1997 "Overvoltage Protection and Insulation Coordination of AC Electrical Installations", and is designed in reference to the technical requirements for neutral point protection gaps outlined in the "25 Key Requirements for Preventing Major Accidents in Power Production" published by the State Grid Corporation of China in September 2000.
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