NDLI: Calculation model simplification study for porcelain insulator string potential and grading ring surface electric field distribution of UHV AC transmission line

Content Provider	IEEE Xplore Digital Library
Author	Daochun Huang Zheng Zheng Zhengfang Huang Wang Guoli Jiangjun Ruan Peng Li
Copyright Year	2013
Description	Author affiliation: Sch. of Electr. Eng., Wuhan Univ., Wuhan, China (Daochun Huang; Zheng Zheng; Zhengfang Huang; Jiangjun Ruan; Peng Li) \|\| Nat. Eng. Lab. for Ultra High Voltage Eng. Technol. (Kunming & Guangzhou), Guangzhou, China (Wang Guoli)
Abstract	The finite element model of the Ultra High Voltage (UHV) AC transmission line porcelain insulator string potential distribution and grading ring surface electric field distribution calculation has the characteristics of large size, complicated structure and various mediums. To insure the accuracy, related influencing factors should be considered to simplify the model reasonably for high computational efficiency. A whole and simplified 3D finite element models of UHV AC transmission line porcelain insulator string were built. The influencing factors including tower, phase conductors, hardware fittings, yoke plate and phase interaction were considered in the analysis of the potential and electric field distribution. And finally, the reasonable of the simplified model was validated. The results comparison show that building a simplified model of three-phase bundled conductors within a certain length, simplifying the tower reasonably, omitting the hardware fittings and yoke plate and containing only single-phase insulator string model is feasible. The simplified model could replace the whole model to analyze the potential distribution along the porcelain insulator string and the electric field distribution on the grading ring surface, and it can reduce the calculation scale, improve optimization efficiency of insulators string and grading ring parameters.
Sponsorship	IEEE Dielectr. Electr. Insul. Soc.
Starting Page	634
Ending Page	637
File Size	1166651
Page Count	4
File Format	PDF
ISBN	9781479925971
DOI	10.1109/CEIDP.2013.6747416
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulators Poles and towers Electric fields Conductors Porcelain Electric potential Power transmission lines UHV electric field distribution grading ring porcelain insulator string potential distribution transmission line
Content Type	Text
Resource Type	Article

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