A microprocessor-based relay for parallel transmission lines

Author

Gilany, M.J. ; Malik, O.P. ; Hope, G.S.

Author_Institution

Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada

fYear

1993

fDate

6/15/1905 12:00:00 AM

Firstpage

362

Lastpage

367

Abstract

A digital algorithm for the protection of parallel lines has been implemented with a 16-b single board computer. The relay was tested on a physical model consisting of two synchronous machines connected to a double circuit line. The algorithm is based on the comparison between currents of two circuits. Details of the experimental setup and the test results for various operating conditions are given. The stability of the relay under switching conditions is also studied. Results show the successful operation of the relay.

Keywords

microcomputer applications; power engineering computing; power transmission lines; relay protection; 16 bit; 16-b single board computer; digital algorithm; double circuit line; microprocessor-based relay; parallel lines; stability; switching conditions; synchronous machines; transmission line protection; Impedance; Logic circuits; Low voltage; Power system modeling; Power system relaying; Power transmission lines; Read only memory; Relays; Transformers; Transmission lines;

fLanguage

English

Publisher

ieee

Conference_Titel

WESCANEX 93. 'Communications, Computers and Power in the Modern Environment.' Conference Proceedings., IEEE

Conference_Location

Saskatoon, Sask., Canada

Print_ISBN

0-7803-1319-4

Type

conf

DOI

10.1109/WESCAN.1993.270521

Filename

270521