T/ZZB 3537-2023 AC-Insulated Composite Envelope Metal Oxide Surge Arrester for Strong Thunderstorm Areas
T/ZZB 3537-2023 AC-Insulated Composite Envelope Metal Oxide Surge Arrester for Strong Thunderstorm Areas
Basic Information
Scope
Main technical content: This document specifies the terms and definitions, model parameters, and operating conditions of AC non-gap composite sheath metal oxide arresters used in strong lightning areas; basic requirements; technical requirements; test requirements; test methods; inspection rules; marking; packaging; transportation; storage; and quality commitments. This document is applicable to AC non-gap composite sheath metal oxide arresters (hereinafter referred to as arresters) designed for transient overvoltages in AC power systems between 10 kV and 20 kV in strong lightning areas. Arresters used in multi-lightning areas, medium-lightning areas, and locations with special requirements may refer to and implement this document accordingly.