新型断路器破解配电网绿色化智能化难题

Core Viewpoint - The ZW68 vacuum circuit breaker developed by China Electric Power Research Institute has won the 2025 Power Innovation Award for its technological breakthroughs in green and intelligent power distribution equipment, marking it as a benchmark technology for the construction of new power systems [1][2]. Group 1: Product Features and Innovations - The ZW68 circuit breaker features complete independent intellectual property rights and utilizes vacuum arc extinguishing and dry air insulation technology, offering significant green and low-carbon environmental advantages compared to traditional SF6 insulated circuit breakers [1]. - The product is globally innovative, incorporating an integrated isolation switch within the box-type vacuum circuit breaker housing, along with electronic voltage sensors, low-power current transformers, and zero-sequence current transformers, meeting the requirements for integrated technology while being compatible with traditional usage standards [1]. Group 2: Industry Impact and Applications - Since its trial operation began in July 2021, the ZW68 has been tested in 19 provinces, with 253 units successfully operating under various climatic conditions, demonstrating good operational status [2]. - From 2022 onwards, the product has achieved large-scale procurement applications in regions such as Hunan, Shandong, Fujian, and Tibet, with a total exceeding 6,800 units, effectively promoting technological upgrades in the power distribution equipment industry and enhancing the reliability and intelligence of power distribution networks [2].