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Verification of latency and delays related to a digital topology based on IEC 61850

conference contribution
posted on 03.06.2020, 00:00 by S Kumar, Narottam Das, S Islam, A Abu-Siada
Digital Communication systems have matured to a point of acceptance in the last decade enormously based on IEC 61850 guidelines from Substation Automation System (SAS) perspective. However, these networks have issues related to latency, data clogging delays, errors etc. in the digital protection system. Measuring propagation delays and assessing the performance of IED's and other peripherals in an Ethernet topology play a critical role in relay coordination setting. This paper discusses issues associated with a digital network and addresses the problems that could mitigate spurious tripping or compromise the protection of the assets in the feeders leading to a reliable operation of the protection system. The discussion in this paper is carried out based on a case study related to a digital star topology using Optimized Network Engineering Tool (OPNET) software of a 132/22-kV zone substation. We report the practical case of measuring delay time during frame exchanges of Generic Object Oriented Substation Event (GOOSE) and Sampled Value (SV) messages amongst the IED’ and peripherals.

History

Start Page

1

End Page

6

Number of Pages

6

Start Date

26/11/2019

Finish Date

29/11/2019

eISSN

2474-1507

ISSN

2474-1493

ISBN-13

9781728150444

Location

Nadi, Fiji

Publisher

IEEE

Place of Publication

Online

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Curtin University; Federation University

Author Research Institute

Centre for Intelligent Systems

Era Eligible

Yes

Name of Conference

29th Australasian Universities Power Engineering Conference (AUPEC 2019)

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