2025-04-15 According to the newly revised “Preventive Test Procedures for Power Equipment”, the moisture content of SF6 switches for newly commissioned and overhauled arc extinguishing compartments shall not exceed 150ppm, and shall not exceed 300ppm during operation. As for the harm of micro-water, the reason is obvious and will not be explained here. We mainly […]

2024-12-12 When the high-voltage circuit is disconnected, the voltage will break down the air to produce high-temperature and high-conductivity free gases, which appear as instantaneous high-temperature sparks, which are arcs. The damage of arc is very high: the arc will generate high temperature, which will ablate the surface of the contact and burn out the

2024-12-12 Xiamen, China, is the destination of Ma Teng, global president of ABB Group’s electrical business, as his “first business trip” in the new year. On January 9, 2024, executives of this Fortune 500 company made a special trip to Xiamen from the Netherlands and announced that “in the next three years, they will further

2014-12-12 The multinational company Schneider Electric has increased its presence in Xiamen Torch High-tech Zone. On April 26, 2024, the Xiamen Torch Electric Power Industrial Park (Phase I) project officially started construction. After the project is completed, it will serve as the Schneider Electric (Xiamen) Industrial Park, creating its largest medium-voltage production base in the

2024-12-12 On November 14, 2024, Hitachi Energy successfully held the 25th anniversary celebration of the high-voltage switch manufacturing base in Xiamen. A total of about 120 industry insiders from home and abroad were invited to attend the on-site event to witness the outstanding achievements of Xiamen Hitachi Energy High Voltage Switch Co., Ltd. over the