NDLI: Impact of saturation depth ratio of iron-core on the PMFCL

Content Provider	IEEE Xplore Digital Library
Author	Liang Zou Yuan Ma Hong-shun Liu Qing-min Li Shu-min Sun
Copyright Year	2008
Description	Author affiliation: EPRI of Shandong, Jinan (Shu-min Sun) \|\| Sch. of Electr. Eng., Shandong Univ., Jinan (Liang Zou; Yuan Ma; Hong-shun Liu; Qing-min Li)
Abstract	Fault current limiter based on permanent magnet biased saturation (PMFCL) is believed to foresee preferable application potentials in power systems due to its obvious advantages in both the technical and economical aspects. However, it is necessary to improve and optimize the operational characteristics of a PMFCL as a result of the deep saturation magnetization effect of the iron-core. A new concept ldquosaturation depth ratiordquo is then proposed in the paper to describe and quantify the saturation extent of the iron-core. Equivalent magnetic circuit method is employed to analyze the influence of saturation depth ratio on the current limiting inductance and fault current considering the working point variation of permanent magnet according to the relationship between saturation depth ratio and the parameters of the PMFCL. Finite Element Method (FEM) simulation is also performed to prove the above conclusions. The results of the analysis and simulation indicate that saturation depth ratio as a key parameter is quite useful for the comprehensive optimization of the PMFCL.
Starting Page	4338
Ending Page	4343
File Size	587069
Page Count	6
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Permanent magnets Magnetic analysis Fault current limiters Power system faults Power system economics Power generation economics Saturation magnetization Magnetic circuits Current limiters Inductance FEM PMFCL saturation depth ratio equivalent magnetic circuit method
Content Type	Text
Resource Type	Article

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