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A Method to design composite insulation structures based on reliability for pulsed power systems

Published online by Cambridge University Press:  14 February 2014

Liang Zhao ,
Jian-Cang Su ,
Xi-Bo Zhang ,
Ya-Feng Pan ,
Rui Li ,
Bo Zeng ,
Jie Cheng ,
Bin-Xiong Yu  and
Xiao-Long Wu
Liang Zhao*
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Jian-Cang Su
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Xi-Bo Zhang
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Ya-Feng Pan
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Rui Li
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Bo Zeng
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Jie Cheng
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Bin-Xiong Yu
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
Xiao-Long Wu
Affiliation:
Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an, Shaanxi, China
*
Address correspondence and reprint requests to: Liang Zhao, Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, No. 28, Pingyu Lu, Baqiao Qu, Xi'an, Shaanxi, 710024, China. E-mail: [email protected]
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Abstract

A method to design the composite insulation structures in pulsed power systems is proposed in this paper. The theoretical bases for this method include the Weibull statistical distribution and the empirical insulation formula. A uniform formula to describe the reliability (R) for different insulation media such as solid, liquid, gas, vacuum, and vacuum surface is derived. The dependence curves of the normalized applied field on R are also obtained. These curves show that the normalized applied field decreases rapidly as R increases but the declining rates corresponding to different insulation media are different. In addition, if R is required to be higher than a given level, the normalized applied field should be smaller than a certain value. In practical design, the common range of the applied fields for different insulation media should be chosen to meet a global reliability requirement. In the end, the proposed method is demonstrated with a specific coaxial high-voltage vacuum insulator.

Keywords

Composite insulation structuresEmpirical formulaInsulation designReliabilityWeibull statistical distribution
Type
Research Article
Information
Laser and Particle Beams , Volume 32 , Issue 2 , June 2014 , pp. 197 - 204
Copyright
Copyright © Cambridge University Press 2014 

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