RIP (Resin Impregnated Paper) Bushing for EHV Class Power Transformer

	International Journal of P2P Network Trends and Technology (IJPTT)
	© 2014 by IJPTT Journal
	Volume - 4 Issue - 2
	Year of Publication : 2014
	Authors : Ms.Shamsha Keshwani , Dr.Meenakshi Mataray

Citation

Ms.Shamsha Keshwani , Dr.Meenakshi Mataray. "RIP (Resin Impregnated Paper) Bushing for EHV Class Power Transformer ". International Journal of P2P Network Trends and Technology (IJPTT), V4(2):19-22 Mar - Apr 2014, ISSN:2249-2615, www.ijpttjournal.org. Published by Seventh Sense Research Group.

Abstract

The overall reliability of a power transformer depends to a great extent on the sound operation of bushing. The OIP (Oil Impregnated Paper) Bushing is conventionally used in power transformer. Now a days a new technology has arise which has replaced OIP bushing with RIP (Resin impregnated paper) bushing. The RIP bushings are gaining popularity worldwide because of its advantages over OIP bushing. This paper deals with construction, features, price, reliability & availability of RIP Bushings and their advantages/ disadvantages vis-à-vis OIP Bushings.

References

[1] IEC 60137:“Insulated bushings for alternating voltages above 1000 V”
[2] CIGRE Working Group 12.05, “An international survey on failures of large power transformers in service”. Electra. No. 88,pp. 21-48, 1983.
[3] IEEE Standard C.57.19.00, “General Requirement and test procedure for power apparatus bushings”, 2004.
[4] IEEE Standard C.57.19.01, “Performance characteristics and dimension for outdoor apparatus bushings”, 2000.
[5] IEEE Standard 21-1976, “IEEE General Requirements and Test Procedure for Outdoor Apparatus Bushings”, Published by the Institute of Electrical and Electronic Engineers, Inc.
[6] NTPC Ltd, “Transformers Failure Data Bank”.

Keywords
Power Transformer, OIP, RIP, Bushing & Failure.