id:"swepub:oai:DiVA.org:kth-117335"
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- Shi, Z. P. (author)
The comparison and analysis for loss of excitation protection schemes in generator protection
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- IET,2012
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-117335
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-117335URI
- https://doi.org/10.1049/cp.2012.0071DOI
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- Language:English
- Summary in:English
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Notes
- QC 20130130
- Loss-Of-Excitation (LOE) condition of a generator may cause severe damages on both generator and the interconnected systems. This paper analyses the behaviours of different LOE protection schemes, such as R-X, G-B, P-Q and U-I schemes, for a hydro generator, which is connected to an infinite bus. Based on the simulation results, the reliability and stability of existing LOE protection schemes are compared and a preferred scheme is selected. An improvement to the scheme is also proposed to prevent the LOE relay incorrect operation during external faults, such as short-circuit faults on busbar or transmission lines.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- comparison and solutions
- Generator Protection
- Loss of excitation protection schemes
Added entries (persons, corporate bodies, meetings, titles ...)
- Wang, J. P. (author)
- Gajic, Z. (author)
- Sao, C. (author)
- Ghandhari, MehrdadKTH,Elektriska energisystem(Swepub:kth)u14x6fsk (author)
- KTHElektriska energisystem (creator_code:org_t)
Related titles
- In:Developments in Power Systems Protection, 2012. DPSP 2012. 11th International Conference on: IET, s. 1-69781849196208
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