Recently, a Chinese manufacturer of bypass triggering devices, in collaboration with numerous enterprises, successfully developed the world’s first 550 kV bypass triggering gap for explosion prevention in ultra-high-voltage (UHV) converter transformers. The device has now passed the long-duration current-carrying pressure withstand test, completing all required validation tests. This milestone marks the successful development of a sub-millisecond ultra-high-speed bypass protection device based o
11/15/2025
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