Operators discovered that vacuum breakers intended to maintain the structural integrity of the containment system during major events were inoperable because certain valves were not reopened after ...

Florida restaurant inspection results for Duval County from May 19-25, 2025 are available online. Numerous restaurants had high-priority violations, including improper food storage and pest activity.

Abstract: For phase-controlled vacuum breakers, the acting time of the actuator should be precise. The variation of capacitor voltage, capacitance, and environmental temperature impact the dispersion ...

Abstract: The objective of this paper is to compare the temperature-rise performance of 4 kinds of AMF contacts designs of 126 kV vacuum circuit breakers (VCBs). The 4 AMF contacts designs are 2/3 ...