China's first new type of precise phase-controlled fast vacuum circuit breaker for cutting was successfully put into operation
Recently, the No. 5 capacitor 31322 circuit breaker of Taole 220 kV substation in the Shizuishan area was successfully closed, marking the successful operation of China's first new type of precise ...
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Chapter 11: Differences in Performance Between SF6 and Vacuum Circuit-breakers at Distribution Voltage Levels
Interrupting devices utilising semiconductor technology are being developed and are not yet available commercially at a competitive price. Since the mid-1960s vacuum and sulphur hexafluoride (SF 6) ...