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C₄F₇N/CO₂混合气体自由燃弧特性仿真研究

Gaoya dianqi
目前电力行业中采用C4F7N/CO2混合气体作为绝缘介质替代SF6的可推广性较高，但对其灭弧性能的研究仍有待深入。文中基于磁流体动力学（MHD）理论模拟了棒—棒电极间隙的自由燃弧动态过程，计算了0.6 MPa的C4F7N/CO2混合气体（C4F7N占比分别为7%、10%、20%）和SF6的电弧伏安特性。研究结果表明：C4F7N/CO2混合气体在轴向的扩散能力强于SF6气体；与C4F7N/CO2混合气体相比，SF6气体的燃弧温度更低，增大C4F7N的比例可降低燃弧温度；在燃弧过程中SF6气体的电弧电压最低，
李爽, 理乐, 陈圣, 毕海涛, 林莘, 庚振新   +5 more
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[Determination of 17 bisphenol compounds in human urine by solid supported liquid-liquid extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Jin Y, Zhang LG, Zhou JX, Ma JJ, Yuan LL, Xiao P, Wang GQ.   +6 more
europepmc   +1 more source

[Development of a predictive model for severe <i>Mycoplasma</i><i>pneumoniae</i> pneumonia in children younger than 5 years]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Li YT, Long XY, Zhou J, Zhang HY.
europepmc   +1 more source

[Determination of 26 herbicide residues in soil， sediment， and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source

[Determination of 26 perfluorinated and polyfluoroalkyl compounds in human serum by solid-phase extraction-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Yue YX, Bian YT, Cheng YF, He L, Wang D, Yan PX, Yan W, Liu GY, Song H, Liu LP.   +9 more
europepmc   +1 more source

[Determination of 29 organic acids in tobacco based on isopropyl esterification derivatization by gas chromatography-mass spectrometry]. [PDF]

Se Pu
Yu J, Gao Y, Wu D, Cao YQ, Qi DW.
europepmc   +1 more source

[Epidemiological characteristics of respiratory syncytial virus infection in children in Hebei Province]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang X, Lu SK, Liu JH, Shuai JF, Huang KL, Niu B, Cao LJ, Cui XW.   +7 more
europepmc   +1 more source

[Application and research progress of metal-organic framework materials in skin repair]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ma S, Wu W, Liu H, Liu M, Xing F.
europepmc   +1 more source

[Determination of caffeine and taurine in electronic cigarette oil by high performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Sun X, Chang QZ, Wang C, Shao WH, Feng F.   +4 more
europepmc   +1 more source

[Determination of 35 pyrrolizidine alkaloids in dried tea by ultra-high performance liquid chromatography- triple quadrupole mass spectrometry]. [PDF]

Se Pu
Dong L, Zhang XL, Yang C, Zhao JY, Wang XM, Chu YQ, Li XH.   +6 more
europepmc   +1 more source