Protection redundancy in a digital network within a high voltage utility substation based on IEC 62439-3

Kumar, Shantanu and Das, Narottam and Islam, Syed (2016) Protection redundancy in a digital network within a high voltage utility substation based on IEC 62439-3. In: 10th Australian Protection Symposium 2016, 16-17 Aug 2016, Melbourne, Australia.

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Abstract

The advancement of optical sensors primarily called as Non Conventional Instrument Transformers (NCITs) and processes controlled by microprocessors have a greater reliability in providing robust protection to the substation primary plant equipment. The NCITs provide dependable protection of primary plant equipment using digital instrumentation within a substation environment. The application of NCITs are realized as a part of the solution to reduce substation expenditures by decreasing the maintenance cost and increasing the safety of the primary plant of a conventional or Gas Insulated Substation.
Recently, the improvement in digital technology has dramatically evolved the application of Merging Units and Intelligent Electronic Devices (IEDs) in protection schemes. Digital equipment is much preferred due to its high accuracy. It reduces fault diagnosis downtime which makes it an easy option for substituting in place of a conventional instrument transformer. These digital equipment offer number of potential advantages, such as better accuracy, transient response, and wider bandwidth, etc. It is anticipated that the NCITs will grow significantly in future due to its high reliability in protection schemes, less maintenance, safety to the operator and equipment in the next decade. However, there are few challenges related to interoperability and delay in receiving communication packets due to latency in receiving the data packets. In this report, we have simulated the interoperability issues between NCITs and IEDs using an Optimized Network Engineering Tool or Riverbed modeller.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: No evidence of copyright restrictions preventing deposit of paper.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Date Deposited: 10 Mar 2017 05:46
Last Modified: 02 Jun 2017 04:43
Fields of Research : 09 Engineering > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified
Socio-Economic Objective: B Economic Development > 89 Information and Communication Services > 8999 Other Information and Communication Services > 899999 Information and Communication Services not elsewhere classified
URI: http://eprints.usq.edu.au/id/eprint/30357

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