Development of C.B.T Hot End Yoke Device for Hot Line Insulator Replacement of 230-kV Double Suspension String for Two Bundles with Arcing Horn

Charoenchai Kajonwattanakul; Wanwisa Skolpap

doi:10.4028/www.scientific.net/AMR.931-932.862

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 931-932Development of C.B.T Hot End Yoke Device for Hot...

Development of C.B.T Hot End Yoke Device for Hot Line Insulator Replacement of 230-kV Double Suspension String for Two Bundles with Arcing Horn

Abstract:

Electrical energy generating from power plant is transmitted to electrical substations via high-voltage transmission lines. After a certain period time of use, the transmission line is required for maintenance such as insulator replacement. To avoid power interruption during insulator replacement, a corrective maintenance, hot line maintenance, is performed. This research focused on the hot line insulator replacement of 230 kV Bangsapan-Chumporn and 230 kV Chumporn-Suratthani transmission lines transferring power between southern and central regions of Thailand. The maintenance of 230 kV double suspension string for two bundles with arcing horn required developed C.B.T. hot end yoke tool to enhance stability and availability of electrical energy during hot line insulator replacement. C.B.T was named by the initial letter of the name of Chumporn Bandon and Takuapa transmission lines under authorization of the maintenance section in responsible maintaining service of transmission lines in upper southern provinces. The developed C.B.T hot end yoke device for hot line insulator replacement could save about 2.67 million bahts during 7-hour of maintenance time of EGAT payment.

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Periodical:

Advanced Materials Research (Volumes 931-932)

Pages:

862-866

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.931-932.862

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Online since:

May 2014

Authors:

Charoenchai Kajonwattanakul*, Wanwisa Skolpap

Keywords:

230 kV Double Suspension String for Two Bundles with Arcing Horn, Hot End Yoke Device, Insulator Replacement, Transmission Line

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* - Corresponding Author

References

[1] Somchai Intasit, Transmission system engineering maintenance section (2002), 30-32.

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[2] Suwith Lianpanich, Hot end yoke tools for 230 kV Suratthani-Thungsong transmission line submit to Electricity Generating Authority of Thailand research (2009).

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[3] Transmission line technology and aviation department, Fundamental of transmission line handbook, 63-81.

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