Shenoy, Jayachandra U and Parthasarathy, K and Thukaram, D and Krishnaiah, D (1990) Personal computer (PC) based scheme for testing protective relays. In: VI NPSC 90. Power Systems for the Year 2000 and Beyond. Proceedings of the Sixth National Power Systems Conference, 4-7 June 1990, Bombay, India, pp. 364-368.
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The authors present the design and development of a personal computer (IBM PC/XT compatible) based hardware scheme for testing protective relays. Due to the standardisation of PCs, its low cost and the availability of software and hardware support, a PC based relay test scheme enables comprehensive testing of relays, quite accurately in less time. The test procedure simulates realistic relaying signals corresponding to both steady state and transient power system operating conditions. Mathematical modelling of the power system is carried-out on the PC itself and the fault data obtained from such studies are used to simulate highly complex fault signals for a variety of system fault conditions. The transient test signals are computed offline using the Electromagnetic Transient Package (EMTP). Typical results of the tests conducted on commercial solid state relays such as distance relay, differential relay and overcurrent relay demonstrate the efficiency of the proposed technique for conducting tests on commercial relays.
| Item Type: | Conference Paper |
|---|---|
| Publisher: | Tata McGraw-Hill |
| Additional Information: | Copyright of this article belongs to Tata McGraw-Hill. |
| Department/Centre: | Division of Electrical Sciences > Electrical Engineering |
| Date Deposited: | 26 Oct 2007 |
| Last Modified: | 18 Jan 2012 09:56 |
| URI: | http://eprints.iisc.ac.in/id/eprint/11367 |
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