NDLI: An adaptive fuzzy mho relay for phase backup protection with infeed from STATCOM

Content Provider	IEEE Xplore Digital Library
Author	Raman, S. Gokaraju, R. Jain, A.
Copyright Year	2013
Description	Author affiliation: Power Syst. Res. Centre, Int. Inst. of Inf. Technol., Canada (Raman, S.; Jain, A.) \|\| Electr. & Comput. Eng., Univ. of Saskatchewan, Saskatoon, SK, Canada (Gokaraju, R.)
Abstract	Summary form only given: This paper presents a fuzzy logic based scheme for the operation of generator phase backup distance protection, otherwise popularly known as the `phase 21' function, in the presence of a STATCOM installed at the generator bus. The presence of STATCOM impacts the normal functioning of the distance relay based on its location as well as that of the fault. The method introduced here counters its adverse effects by formulating an adaptive mho relay for the phase 21 function, which accounts for the fast and dynamic compensation provided by the STATCOM throughout the operating time domain. Fuzzy logic is used in this paper to handle this varied compensation with its capability to process uncertain variation using linguistic variables to good effect. Two particular feature inputs from the STATCOM which have a direct impact on the reach of the relay are considered as the fuzzy system inputs. The objective is to counter and minimize the effect of current infeed from the STATCOM, on the apparent reach observed by the phase 21 relay, and thus achieve the desired coordination.
Sponsorship	IEEE Power Energy Soc.
Starting Page	1
Ending Page	1
File Size	60626
Page Count	1
File Format	PDF
ISBN	9781479913039
ISSN	19449925
DOI	10.1109/PESMG.2013.6672442
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic voltage control Relays Fuzzy logic Generators Radiation detectors Fuzzy systems Adaptive systems
Content Type	Text
Resource Type	Article

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