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Li B.,Tianjin Woerfar Power Equipment Co. | Wang R.-X.,Tianjin Woerfar Power Equipment Co. | Yu X.,Tianjin Woerfar Power Equipment Co. | Tong Z.-H.,Tianjin Woerfar Power Equipment Co. | Li G.,Jinzhou Power Supply Company
Gaoya Dianqi/High Voltage Apparatus | Year: 2013

This article describes the working principle, structure and performance characteristics of a new type of capacitive compositely Insulative busbar and voltage bushing; offers a demonstration analysis of the reliability of the product; describes the development and the application of this kind of product with voltage between 0.4~72.5 kV; puts forward the characteristics and development prospects for the use of this new type of capacitive compositely insulative busbar and voltage bushing in high voltage & extra high voltage grid.


Li B.,Tianjin Woerfar Power Equipment Co. | Yu X.,Tianjin Woerfar Power Equipment Co. | Tong Z.,Tianjin Woerfar Power Equipment Co. | Liu Y.,Tianjin Woerfar Power Equipment Co. | And 7 more authors.
Gaoya Dianqi/High Voltage Apparatus | Year: 2016

This article reviews the development of various organic insulated bus (tubular insulated bus) in China, including their advantages & shortcomings, and their contributions and problems. These problems reflect outstanding in: tubular insulated bus in the bus and the bus connector. Due to the electric field distribution is very poor, bus to ground flashover often occurs; some tubular insulated bus and switch equipment, arrester electrical interface, because of the electric field concentration, corona often occurs and further to flashover, or due to the lack of effective insulation size design, manufacture and assembly quality is not good and bus discharge to the ground, to the operation unit caused by power loss. This paper analyzes the cause of the accident, also put forward the improvement and improved suggestion. In our country, during the difficult development process of varieties of organic insulated bus, the author also sees the hope: the development prospects for a new type of capacitive compositely insulated bus. The bus is connected with the bus, the bus and other electric apparatus, and the design of multiple capacitor shields are adopted, the electric field distribution is uniform, and the insulation of the interface is reliable. In this paper, the characteristics of the material, manufacturing process and quality control and other aspects of the bus insulation reliability and control of the unique experience of partial discharge. Partial discharge is a tubular insulated bus lifeline long-term safe operation, which controls the tubular insulating bus PD characteristic, grasps the insulated tube bus to the direction of high/ultra high voltage. © 2016, Xi'an High Voltage Apparatus Research Institute Co., Ltd. All right reserved.

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