Study of partial discharge characteristics in HFO-1234ze(E)/N2 mixtures

• 作者: Lin LIN Qingguo CHEN Xinyu WANG Zongkai JIA
• 来源期刊: 等离子体科学和技术（英文版）
• 年，卷（期）: 2020,（11）
• 所属期刊栏目: LOW TEMPERATURE PLASMA
• 页码范围: 52-59
• 页数: 8页
• 语种: 英文

摘要

HFO-1234ze(E)(trans-1,3,3,3-tetrafluoropropene,chemical formula: C3H2F4) is an extremely environmentally friendly SF6 alternative gas with high electrical strength.In this paper,the partial discharge (PD) characteristics of HFO-1234ze(E)/N2 mixtures were studied using the gas insulation test platform.The PD inception voltage of insulating gas under positive and negative half cycles of power frequency was tested.Using SF6/N2 mixtures as a control group,the effects of electrode spacing,mixing ratio and pressure on the insulation performance of HFO-1234ze(E)/N2 mixtures were explored.The test results show that the PD inception voltage of the negative half-cycle of pure HFO-1234ze(E) under short electrode spacing can reach 0.96-1.04 times of pure SF6 under different pressures;the PD inception voltage of 40％HFO-1234ze(E)/60％N2 mixtures at 0.3 MPa is 0.67-0.89 times that of SF6/N2 mixtures under the same conditions,which has great application prospect.