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Performance assessment of a IEC 61850-9-2 based protection scheme for a transmission substation

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5 Author(s)
Yang, L. ; Sch. of E&EE, Univ. of Manchester, Manchester, UK ; Crossley, P.A. ; Wen, A. ; Chatfield, R.
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The impact of the IEC 61850-9-2 process bus on the operating performance of a protection and control scheme needs to be fully assessed before the scheme can be applied to a real transmission substation. Design and performance testing of a prototype feeder protection scheme suitable for application on a corner of a mesh transmission substation is presented in this paper. It also discusses the integration of network analysis and simulation software, relay test sets, conventional hardwired and IEC 61850-9-2LE protective Intelligent Electronic Devices (IEDs), Merging Units (MUs), Ethernet Switches, Fiber Optic communications and an IEC 61850 process bus. The operating characteristics of conventional hardwired and IEC 61850-9-2 based relays were verified individually and the operating speed performance of feeder current differential and distance schemes investigated. The results provide a fundamental reference to help utilities develop confidence in the application of the new technology in next-generation substations.

Published in:

Innovative Smart Grid Technologies (ISGT Europe), 2011 2nd IEEE PES International Conference and Exhibition on

Date of Conference:

5-7 Dec. 2011