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On the Measurement of Surface Voltage of Insulators and Bushings
The surface voltage of an insulator assumes importance for understanding tracking and flashover characteristics. Until now, determination of surface voltage of insulating surfaces is left to simulation software and such simulations are left unverified experimentally, leading to uncertainty of the re...
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Published in: | IEEE transactions on power delivery 2022-02, Vol.37 (1), p.464-471 |
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container_title | IEEE transactions on power delivery |
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creator | Thomas, Ajith John C, Iyyappan Reddy, Chandupatla |
description | The surface voltage of an insulator assumes importance for understanding tracking and flashover characteristics. Until now, determination of surface voltage of insulating surfaces is left to simulation software and such simulations are left unverified experimentally, leading to uncertainty of the results, which may sometimes be erratic with improper choice of boundary or initial conditions or inaccurate material properties, nonlinearities etc. The paper presents a novel method, using which the surface voltage of any insulating surface such as insulator strings or transformer bushings can be measured. Unlike a conducting surface, the measurement of insulating surface voltage using voltage dividers would be erratic as the measuring arrangement itself will vary the voltage division due to the local unknown impedance between the insulated surface and hv conductor. Recently a method for measurement of surface voltage of an insulated conductor using cylindrical strips was reported. In this paper, based on analytical derivations, a more generalized method of measurement, applicable to any point on an insulating surface of arbitrary geometry is proposed using circular-disc strips. The proposed experimental method is applied to insulator strings and transformer bushings and validated by simulation of the entire systems. The simulation and experimental results are in excellent agreement. |
doi_str_mv | 10.1109/TPWRD.2021.3063346 |
format | article |
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Until now, determination of surface voltage of insulating surfaces is left to simulation software and such simulations are left unverified experimentally, leading to uncertainty of the results, which may sometimes be erratic with improper choice of boundary or initial conditions or inaccurate material properties, nonlinearities etc. The paper presents a novel method, using which the surface voltage of any insulating surface such as insulator strings or transformer bushings can be measured. Unlike a conducting surface, the measurement of insulating surface voltage using voltage dividers would be erratic as the measuring arrangement itself will vary the voltage division due to the local unknown impedance between the insulated surface and hv conductor. Recently a method for measurement of surface voltage of an insulated conductor using cylindrical strips was reported. In this paper, based on analytical derivations, a more generalized method of measurement, applicable to any point on an insulating surface of arbitrary geometry is proposed using circular-disc strips. The proposed experimental method is applied to insulator strings and transformer bushings and validated by simulation of the entire systems. The simulation and experimental results are in excellent agreement.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2021.3063346</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bushings ; Conduction ; Conductors ; Electric potential ; Flashover ; Impedance ; Initial conditions ; insulating surface ; Insulation ; insulator ; Insulators ; Material properties ; Measurement methods ; Simulation ; stray impedance ; string insulator ; Strings ; Strips ; Surface impedance ; surface voltage ; Surface voltage measurement ; transformer bushing ; Transformers ; voltage divider ; Voltage dividers ; Voltage measurement</subject><ispartof>IEEE transactions on power delivery, 2022-02, Vol.37 (1), p.464-471</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c295t-41a577b706a25b55c236cf79418305c1bda9cd9cf5210120c7584725457c6c763</citedby><cites>FETCH-LOGICAL-c295t-41a577b706a25b55c236cf79418305c1bda9cd9cf5210120c7584725457c6c763</cites><orcidid>0000-0002-7576-6735 ; 0000-0002-2536-5327</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9369075$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,54795</link.rule.ids></links><search><creatorcontrib>Thomas, Ajith John</creatorcontrib><creatorcontrib>C, Iyyappan</creatorcontrib><creatorcontrib>Reddy, Chandupatla</creatorcontrib><title>On the Measurement of Surface Voltage of Insulators and Bushings</title><title>IEEE transactions on power delivery</title><addtitle>TPWRD</addtitle><description>The surface voltage of an insulator assumes importance for understanding tracking and flashover characteristics. Until now, determination of surface voltage of insulating surfaces is left to simulation software and such simulations are left unverified experimentally, leading to uncertainty of the results, which may sometimes be erratic with improper choice of boundary or initial conditions or inaccurate material properties, nonlinearities etc. The paper presents a novel method, using which the surface voltage of any insulating surface such as insulator strings or transformer bushings can be measured. Unlike a conducting surface, the measurement of insulating surface voltage using voltage dividers would be erratic as the measuring arrangement itself will vary the voltage division due to the local unknown impedance between the insulated surface and hv conductor. Recently a method for measurement of surface voltage of an insulated conductor using cylindrical strips was reported. In this paper, based on analytical derivations, a more generalized method of measurement, applicable to any point on an insulating surface of arbitrary geometry is proposed using circular-disc strips. The proposed experimental method is applied to insulator strings and transformer bushings and validated by simulation of the entire systems. The simulation and experimental results are in excellent agreement.</description><subject>Bushings</subject><subject>Conduction</subject><subject>Conductors</subject><subject>Electric potential</subject><subject>Flashover</subject><subject>Impedance</subject><subject>Initial conditions</subject><subject>insulating surface</subject><subject>Insulation</subject><subject>insulator</subject><subject>Insulators</subject><subject>Material properties</subject><subject>Measurement methods</subject><subject>Simulation</subject><subject>stray impedance</subject><subject>string insulator</subject><subject>Strings</subject><subject>Strips</subject><subject>Surface impedance</subject><subject>surface voltage</subject><subject>Surface voltage measurement</subject><subject>transformer bushing</subject><subject>Transformers</subject><subject>voltage divider</subject><subject>Voltage dividers</subject><subject>Voltage measurement</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9kEtPAjEUhRujiYj-Ad00cT14e_ua7lTwQYLBKOqyKaXDIzCD7czCfy8jxNVNTs53bvIRcsmgxxiYm8nr19ugh4Csx0FxLtQR6TDDdSYQ8mPSgTyXWW60PiVnKa0AQICBDrkdl7ReBPoSXGpi2ISyplVB35tYOB_oZ7Wu3Ty00bBMzdrVVUzUlTN636TFspync3JSuHUKF4fbJR-PD5P-czYaPw37d6PMo5F1JpiTWk81KIdyKqVHrnyhjWA5B-nZdOaMnxlfSGTAELyWudAohdReea14l1zvd7ex-m5Cqu2qamK5e2lRIWuXFO5auG_5WKUUQ2G3cblx8ccysK0p-2fKtqbswdQOutpDyxDCP2C4MqAl_wVUYGK6</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Thomas, Ajith John</creator><creator>C, Iyyappan</creator><creator>Reddy, Chandupatla</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-7576-6735</orcidid><orcidid>https://orcid.org/0000-0002-2536-5327</orcidid></search><sort><creationdate>20220201</creationdate><title>On the Measurement of Surface Voltage of Insulators and Bushings</title><author>Thomas, Ajith John ; C, Iyyappan ; Reddy, Chandupatla</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-41a577b706a25b55c236cf79418305c1bda9cd9cf5210120c7584725457c6c763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bushings</topic><topic>Conduction</topic><topic>Conductors</topic><topic>Electric potential</topic><topic>Flashover</topic><topic>Impedance</topic><topic>Initial conditions</topic><topic>insulating surface</topic><topic>Insulation</topic><topic>insulator</topic><topic>Insulators</topic><topic>Material properties</topic><topic>Measurement methods</topic><topic>Simulation</topic><topic>stray impedance</topic><topic>string insulator</topic><topic>Strings</topic><topic>Strips</topic><topic>Surface impedance</topic><topic>surface voltage</topic><topic>Surface voltage measurement</topic><topic>transformer bushing</topic><topic>Transformers</topic><topic>voltage divider</topic><topic>Voltage dividers</topic><topic>Voltage measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thomas, Ajith John</creatorcontrib><creatorcontrib>C, Iyyappan</creatorcontrib><creatorcontrib>Reddy, Chandupatla</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Xplore</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thomas, Ajith John</au><au>C, Iyyappan</au><au>Reddy, Chandupatla</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the Measurement of Surface Voltage of Insulators and Bushings</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2022-02-01</date><risdate>2022</risdate><volume>37</volume><issue>1</issue><spage>464</spage><epage>471</epage><pages>464-471</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>The surface voltage of an insulator assumes importance for understanding tracking and flashover characteristics. Until now, determination of surface voltage of insulating surfaces is left to simulation software and such simulations are left unverified experimentally, leading to uncertainty of the results, which may sometimes be erratic with improper choice of boundary or initial conditions or inaccurate material properties, nonlinearities etc. The paper presents a novel method, using which the surface voltage of any insulating surface such as insulator strings or transformer bushings can be measured. Unlike a conducting surface, the measurement of insulating surface voltage using voltage dividers would be erratic as the measuring arrangement itself will vary the voltage division due to the local unknown impedance between the insulated surface and hv conductor. Recently a method for measurement of surface voltage of an insulated conductor using cylindrical strips was reported. In this paper, based on analytical derivations, a more generalized method of measurement, applicable to any point on an insulating surface of arbitrary geometry is proposed using circular-disc strips. The proposed experimental method is applied to insulator strings and transformer bushings and validated by simulation of the entire systems. The simulation and experimental results are in excellent agreement.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2021.3063346</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-7576-6735</orcidid><orcidid>https://orcid.org/0000-0002-2536-5327</orcidid></addata></record> |
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source | IEEE Electronic Library (IEL) Journals |
subjects | Bushings Conduction Conductors Electric potential Flashover Impedance Initial conditions insulating surface Insulation insulator Insulators Material properties Measurement methods Simulation stray impedance string insulator Strings Strips Surface impedance surface voltage Surface voltage measurement transformer bushing Transformers voltage divider Voltage dividers Voltage measurement |
title | On the Measurement of Surface Voltage of Insulators and Bushings |
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