不同原理的SF_6混合气体密度监测技术差异分析
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摘要
SF_6或SF_6/N2混合绝缘气体的密度直接决定着气体的绝缘性能,因此对气体密度的监测尤为重要。SF_6混合绝缘气体被认为是短期内最具发展前景的SF_6替代介质,国家电网公司目前正大力推广GIS母线用SF_6/N_2混合绝缘气体的应用。由于SF_6混合绝缘气体具有新的特性,原有的SF_6气体密度继电器无法反映设备内SF_6混合绝缘气体密度,为此,亟需开发SF_6混合绝缘气体的密度监测装置。文章对比分析了两种不同原理的SF_6/N_2混合绝缘气体密度监测技术,并探讨了具备混合比监测功能的SF_6/N_2混合绝缘气体密度监测技术。
The density of SF_6 gas or SF_6/N_2 mixture gases directly determines the insulating properties of the insulating gases, so it is especially important to monitor the gas density. SF_6 mixture gases are regarded as the most promising insulating gases, and the State Grid Corporation of China is vigorously promoting SF_6/N_2 mixture gas in GIS bus duct. Because of the entirely different properties of SF_6 mixture gas, SF_6 gas density controller can not reflect the density of SF_6 mixture gas. So it is urgent to develop SF_6 mixture gas density monitor. This paper introduces two kinds of SF_6 gas density controller with different mechanism, and discusses the mixture gas monitoring technology with the mixing ratio detecting function.
The density of SF_6 gas or SF_6/N_2 mixture gases directly determines the insulating properties of the insulating gases, so it is especially important to monitor the gas density. SF_6 mixture gases are regarded as the most promising insulating gases, and the State Grid Corporation of China is vigorously promoting SF_6/N_2 mixture gas in GIS bus duct. Because of the entirely different properties of SF_6 mixture gas, SF_6 gas density controller can not reflect the density of SF_6 mixture gas. So it is urgent to develop SF_6 mixture gas density monitor. This paper introduces two kinds of SF_6 gas density controller with different mechanism, and discusses the mixture gas monitoring technology with the mixing ratio detecting function.
引文
[1] 李璐维,林莘,许建源,等.SF6/N2和SF6/CF4混合气体放电参数计算分析[J].高压电器,2016,52(12):60- 65.
[2] Wei Liu, Zhenxi Su, Jiong Qi, etc. Application and recycling of SF6 gas mixtures in gas-insulated circuit breaker in northern china[J]. 3rd International Conference on Advances in Energy, Environment and Chemical Engineering, 2017, 69: 1- 4.
[3] 陈英,苏镇西,马凤翔,等.电气设备中SF6混合气体混合比检测技术的研究[J].高压电器,2016,52(12):178-183.
[4] Kramer A, Th Paul A. High-precision density sensor for concentration monitoring of binary gas mixtures[J]. Procedia Engineering, 2012, 47: 44- 47.
[5] Dieter Zeisel, Hans Menzi, Ludger Ullrich. A precise and robust quartz sensor based on tuning fork technology for SF6-gas density control[J]. Sensor and Actuators, 2000, 80: 233-236.
[6] Porus M, Th Paul A, Kramer A. Application of a multi-parameter sensor system for monitoring dielectric insulation of gas mixture[J]. IEEE Transaction on Dielectrics and Electrical Insulation, 2017, 24: 847- 851.
[7] Badarlis A, Pfau A, Kalfas A. Measurement and evaluation of the gas density and viscosity of pure gases and mixtures using a micro-cantilever beam[J]. Sensor, 2015, 15: 24318-24342.
[8] 黎斌.影响SF6密度控制器监控特性的因素分析[J].高压电器,2010,46(2):72-75.
[9] 张弘一,李延夫,于振毅,等.SF6气体密度控制器温度补偿检验方法技术研究[J].仪表技术与传感器,2015(5):94-96.
[10] 路自强,胡海舰.高海拔对SF6密度继电器及电器设备中SF6充气压力值影响的研究[J].高压电器,2009,45(4):37- 41.
[2] Wei Liu, Zhenxi Su, Jiong Qi, etc. Application and recycling of SF6 gas mixtures in gas-insulated circuit breaker in northern china[J]. 3rd International Conference on Advances in Energy, Environment and Chemical Engineering, 2017, 69: 1- 4.
[3] 陈英,苏镇西,马凤翔,等.电气设备中SF6混合气体混合比检测技术的研究[J].高压电器,2016,52(12):178-183.
[4] Kramer A, Th Paul A. High-precision density sensor for concentration monitoring of binary gas mixtures[J]. Procedia Engineering, 2012, 47: 44- 47.
[5] Dieter Zeisel, Hans Menzi, Ludger Ullrich. A precise and robust quartz sensor based on tuning fork technology for SF6-gas density control[J]. Sensor and Actuators, 2000, 80: 233-236.
[6] Porus M, Th Paul A, Kramer A. Application of a multi-parameter sensor system for monitoring dielectric insulation of gas mixture[J]. IEEE Transaction on Dielectrics and Electrical Insulation, 2017, 24: 847- 851.
[7] Badarlis A, Pfau A, Kalfas A. Measurement and evaluation of the gas density and viscosity of pure gases and mixtures using a micro-cantilever beam[J]. Sensor, 2015, 15: 24318-24342.
[8] 黎斌.影响SF6密度控制器监控特性的因素分析[J].高压电器,2010,46(2):72-75.
[9] 张弘一,李延夫,于振毅,等.SF6气体密度控制器温度补偿检验方法技术研究[J].仪表技术与传感器,2015(5):94-96.
[10] 路自强,胡海舰.高海拔对SF6密度继电器及电器设备中SF6充气压力值影响的研究[J].高压电器,2009,45(4):37- 41.