DSP based fuzzy and conventional overcurrent relay controller comparisons

Yin Lee Goh, Agileswari Ramasamy, Farrukh Hafiz Nagi, Aidil Azwin Zainul Abidin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Fuzzy logic control uses linguistic approach to solve complicated rules and ambiguous systems. This control strategy can be used to improve the overall performance of an overcurrent relay for power system protection compared to conventional relay. It is essential for a relay to work efficiently to trip the circuit breakers in the presence of faults and at the same time proficient to coordinate well with the networks to avoid mal-operation. There are two different types of fuzzy logic control strategies proposed for the relay, the Fuzzy Logic Controller (FLC) and Fuzzy Bang-Bang Controller (FBBC). The FBBC is the same as the conventional FLC except that the defuzzification method uses largest of maxima (LOM). Comparisons between the fuzzy controllers and conventional relay are based on IEC 255-3 standard. These relays are implemented on a DSP TMS320F2812 and their performance is evaluated which is based on operation time, DSP's execution time and grading margin. The results obtained show a significant performance improvement compared to conventional relay.

Original languageEnglish
Pages (from-to)1029-1035
Number of pages7
JournalMicroelectronics Reliability
Volume53
Issue number7
DOIs
Publication statusPublished - 01 Jul 2013

Fingerprint

relay
controllers
Fuzzy logic
Controllers
logic
Electric circuit breakers
Linguistics
linguistics
circuit breakers
margins

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Safety, Risk, Reliability and Quality
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering

Cite this

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DSP based fuzzy and conventional overcurrent relay controller comparisons. / Goh, Yin Lee; Ramasamy, Agileswari; Nagi, Farrukh Hafiz; Zainul Abidin, Aidil Azwin.

In: Microelectronics Reliability, Vol. 53, No. 7, 01.07.2013, p. 1029-1035.

Research output: Contribution to journalArticle

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