Transactions of China Electrotechnical Society  2021, Vol. 36 Issue (13): 2871-2879    DOI: 10.19595/j.cnki.1000-6753.tces.210164
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Insulation Performance of Environmental-Friendly Gas HFO-1336mzz(E) and Its Mixtures
Tang Nian1,2, Xiong Jiayu3, Zhou Yongyan1,2, Wang Kai3, Zhang Boya3, Li Xingwen3, Sun Dongwei1,2
1. Electirc Power Research Insitute of Guangdong Power Grid Co. Ltd Guangzhou 510080 China;
2. Sulfur Hexafluoride Key Laboratory of China Southern Power Grid Guangzhou 510080 China;
3. State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University Xi'an 710049 China

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Abstract  

In recent years, a variety of novel environmental-friendly gases and their mixtures have received attention as potential SF6 replacement gases. In this paper, HFO-1336mzz(E) is proposed as an insulating gas to be applied in power equipment. Firstly, based on the experimentally measured saturation vapor pressure data, the saturation vapor pressure characteristics of HFO-1336mzz(E) and its mixtures are investigated and analyzed, using Antoine equation and the gas-liquid equilibrium law, and compared with C4-PFN and C5-PFK gases. Based on the mixing ratio determined by the saturation vapor pressure characteristics, the electron swarm parameters of HFO-1336mzz(E) and its gas mixtures were measured using pulsed Townsend experiments, and the dielectric strength of the gas was determined accordingly. The results show that when the mixing ratio of HFO-1336mzz(E) reaches 60%, the gas mixture with CO2 or dry air can achieve the similar insulation strength of SF6. The results provide significant fundamental data and references for further research and application of the new environmental-friendly gas HFO-1336mzz(E).

Key wordsHFO-1336mzz(E)      environmental-friendly gas      saturated vapor pressure      pulsed Townsend experiment      critical electric field strength     
Received: 31 January 2021     
PACS: TM85  
Fund:

国家自然科学基金(51907154, 51825702)、中国博士后基金(2019M653633)和南方电网公司科技项目(GDKJXM20198165)资助

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Tang Nian
Xiong Jiayu
Zhou Yongyan
Wang Kai
Zhang Boya
Li Xingwen
Sun Dongwei
Cite this article:   
Tang Nian,Xiong Jiayu,Zhou Yongyan等. Insulation Performance of Environmental-Friendly Gas HFO-1336mzz(E) and Its Mixtures[J]. Transactions of China Electrotechnical Society, 2021, 36(13): 2871-2879.
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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210164     OR     https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I13/2871
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