Simulation on Phase Angle Difference between Voltage of Metering Port and Bus of 220kV CVT

摘要：

　　In order to study how parameters of CVT affect the phase angle difference between Voltage of Metering Port and Bus Voltage, an EMTP model with actual parameters of a 220kV CVT was established to simulate how some parameters affect the phase angle difference, such as value of voltage-dividing capacitors and its dielectric loss, ratio of transformer, coil turns of compensation reactor and the load.The result is shown as followed: (1) The increasing dielectric loss of high voltage capacitor will make phase angle difference decrease significantly, while the increasing dielectric loss of medium voltage capacitor will make phase angle difference increase significantly;(2) Decrease of the ratio of transformer will make phase angle difference increase a little;(3) Increase of capacity and power factor of load will make phase angle difference decrease.These results are available to CVT testing online.

关键词： capacitor voltage transformer (CVT) phase angle difference parameters

作者: Bingbing Cai Chun Liu Danjiang Wang Zhiming Cui Qian Wang Zhenbiao Li

作者单位: State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

会议类型: 国际会议

会议名称: The 5nd Intrenational Conference on Reliability of Electrical Products and Electrical Contacts(第五届电工产品可靠性与电接触国际会议)

会议地点: 温州

会议语种:英文

页码: 280-284

在线出版日期: 2014-11-16（万方平台首次上网日期，不代表论文的发表时间）