HFO气体在直流和冲击电压下击穿特性的研究

2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Pub Date : 2018-10-01 DOI:10.1109/CEIDP.2018.8544877

O. Lesaint, N. Bonifaci, H. Merini, R. Maladen, F. Gentils

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引用次数: 11

摘要

通过测量高压直流斜坡下均匀电场和脉冲电压下非均匀电场两种典型条件下击穿电压与压力的关系，研究了氢氟烯烃气体HFO1234ze(E)的介电性能。在击穿实验中产生固体副产物，以黑尘的形式存在。这些副产物不会使气体的击穿电压明显降低。在均匀场中，HFO的击穿电压约为相同条件下SF6的83%。在发散场中，增加压力会引起脉冲击穿电压的适度增加。HFO在取代SF6作为中压系统绝缘材料方面表现出良好的性能。

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A Study of Breakdown Properties of HFO Gas under DC and Impulse Voltage

The dielectric properties of the hydro-fluoro-olefin gas HFO1234ze(E) are studied by the measurement of breakdown voltage versus pressure in two typical conditions: with uniform electric field under high voltage DC ramp, and with non-uniform electric field under impulse voltage. Solid by-products are generated during breakdown experiments, taking the form of black dust. These by-products do not produce an appreciable decrease of breakdown voltage of the gas. In uniform field, HFO shows a breakdown voltage about 83% that of SF6 in identical conditions. In divergent field, increasing the pressure induces a moderate increase of the impulse breakdown voltage. HFO shows favorable properties in the view to replacing SF6 for the insulation of medium voltage systems.

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来源期刊

2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

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