High anti-arc erosion performance of the Al2O3 reinforced Cu@W composites for high voltage circuit-breaker contacts
Sign Up to like & getrecommendations! Published in 2022 at "Materials Research Express"
DOI: 10.1088/2053-1591/ac5a35
Abstract: High voltage circuit-breakers with superior performance are demanded as the transmission distance extends and voltage rises, which are often subject to high current and voltage surges. Commercial circuit-breaker contacts are conventionally manufactured with CuW alloy… read more here.
Keywords: al2o3; performance; voltage; high voltage ... See more keywords
Ring-Shaped Capacitive Probes for Determination of Spatial Arc Voltage Distribution in High-Voltage Circuit Breaker Model
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2017.2763151
Abstract: To deeply understand interrupting phenomena in high-voltage circuit breakers, it is important to measure the electrical characteristics of switching arcs in high-speed gas flow at current zero. A ring-shaped capacitive probe is proposed to measure… read more here.
Keywords: high voltage; voltage; voltage circuit; arc voltage ... See more keywords
A Study on the Dynamic Responses and Joints Clearance Optimization of the Planar Operating Mechanism of High-Voltage Circuit Breaker
Sign Up to like & getrecommendations! Published in 2019 at "Shock and Vibration"
DOI: 10.1155/2019/9019718
Abstract: The operating mechanism is responsible for a large part of machinery faults of high-voltage circuit breaker, which plays a crucial role in the reliability of the power grid. It consists of multiple flexible links connected… read more here.
Keywords: joints clearance; high voltage; mechanism; operating mechanism ... See more keywords
Mechanical Fault Diagnosis of a High Voltage Circuit Breaker Based on High-Efficiency Time-Domain Feature Extraction with Entropy Features
Sign Up to like & getrecommendations! Published in 2020 at "Entropy"
DOI: 10.3390/e22040478
Abstract: The fault samples of high voltage circuit breakers are few, the vibration signals are complex, the existing research methods cannot extract the effective information in the features, and it is easy to overfit, slow training,… read more here.
Keywords: high voltage; feature; circuit breaker; circuit ... See more keywords
Study of Arc Interruption Characteristics under Rated Current in Low Voltage Circuit Breakers
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16104114
Abstract: The breaking capacity of rated current is one of the important indexes to evaluate the performance of circuit breakers, which is usually measured experimentally and cannot be analyzed in terms of the arcing characteristics of… read more here.
Keywords: circuit breakers; circuit; low voltage; voltage ... See more keywords