Electric breakdown in CO2/O2 gas mixture in weakly and strongly non-uniform electric field distributions at temperatures 300-4000K [PDF]
Gas breakdown in weakly and strongly non-uniform electric fields at elevated temperatures, which can occur in gas circuit breakers after current interruption, is decisive for the performance of such devices.
Garyfallos, Angelos +4 more
core +2 more sources
Gaoya dianqi, 2023 近年来，以全氟异丁腈(C4F7N)为核心的环保绝缘气体凭借优良的电气性能获得了广泛关注。尽管C4F7N在新一代气体绝缘设备中获得了初步应用，但是评估C4F7N的职业及环境健康暴露风险是确保其大规模安全应用的前提。文中通过亚急性吸入毒性试验(28天)、延长一代生殖毒性试验和骨髓嗜多染红细胞微核试验，综合评估了C4F7N混合气体的生物安全性及应用可行性。试验结果表明，大鼠亚急性吸入C4F7N气体后观察到的无可见有害作用水平(NOAEL)为3 693μL·L-1，靶器官主要为肺脏；C4F7N气体对孕鼠母体 ...
叶凡超 +6 more
doaj
Experimental Investigation on the Arc Characteristics and Arc Quenching Capabilities of C5F10O-CO2 Mixtures [PDF]
, 2019 C5F10O-CO2 mixtures are possible alternatives to SF6 - which has a high global warming potential - as the interruption medium in gas circuit breakers.
Guo, Z. +6 more
core +1 more source
切向电场主导下C4F7N/CO2混合气体中环氧复合材料表面电荷积聚特性及机理研究
Gaoya dianqi, 2023 气固界面的电荷积聚问题是诱发沿面闪络的重要原因，而当前C4F7N/CO2混合气体中电荷积聚特性的相关研究还不够充分。为研究C4F7N/CO2混合气体中表面电荷积聚特性及机理，本文通过指型电极构建极不均匀电场，测量了环氧复合材料在C4F7N/CO2混合气体中的表面电荷分布特性；进一步的，为理清表面电荷来源及迁移特性，测量了冲击电压下C4F7N/CO2混合气体中材料表面电位，比较了附加背板电极前后的表面电荷分布。研究表明，C4F7N/CO2混合气体与SF6中表面电位分布形态相似 ...
李金殊 +5 more
doaj
IOP Conference Series: Earth and Environmental Science, 2021 Dongwei Sun +4 more
openaire +1 more source
Silicon Tetrachloride as innovative working fluid for high temperature Rankine cycles: Thermal Stability, material compatibility, and energy analysis [PDF]
Silicon Tetrachloride (SiCl4) is proposed as a new potential working fluid for high-temperature Rankine Cycles. The capability to overcome the actual thermal stability limit of fluids commercially employed in the state-of-theart Organic Rankine Cycles ...
Di Marcoberardino, G. +5 more
core +2 more sources
Journal of Applied PhysicsC4F7N/CO2 gas mixtures have attracted extensive attention because of their excellent insulating properties and environmental friendliness. High electrical and thermal stability is an important indicator for evaluating their performance, but there have ...
Danchen Zhao +5 more
semanticscholar +1 more source
Recent Trends in Development of High Voltage Circuit Breakers with SF6 Alternative Gases [PDF]
, 2018 The available knowledge of state-of-the-art of SF6 alternative gases in switching applications was collected and evaluated in an initiative of the Current Zero Club together with CIGRE.
Claessens, M. +21 more
core +1 more source
Rapid prediction of insulating gas performance: Leveraging XTB calculations for high-throughput screening of SF₆ alternatives [PDF]
Addressing the environmental challenge posed by sulfur hexafluoride (SF6) due to its extremely high Global Warming Potential (GWP), the development of eco-friendly alternative gases is imperative. Efficient prediction of key gas properties is crucial for
Cao, Weidong +4 more
core +2 more sources
Degradation Behaviors and Mechanism of Nitrile Butadiene Rubber Caused by Insulating Medium C5F10O. [PDF]
Polymers (Basel), 2023 She C +5 more
europepmc +1 more source