Performance comparison of U-Core and round-stator single-phase permanent-magnet motors for pump applications
Strontium-ferrite-based permanent magnets (PMs) are attractive for applications in electric machines due to several reasons. Their price is some two orders of magnitude less than the price of rare-earth magnets. They are chemically inert, which makes them suitable for applications in aggressive envi...
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| Veröffentlicht in: | IEEE transactions on industry applications 2002-03, Vol.38 (2), p.476-482 |
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| description | Strontium-ferrite-based permanent magnets (PMs) are attractive for applications in electric machines due to several reasons. Their price is some two orders of magnitude less than the price of rare-earth magnets. They are chemically inert, which makes them suitable for applications in aggressive environments. Strontium-ferrite magnets have high specific electric resistance, so they do not experience thermal problems due to eddy-current losses. On the other hand, their low residual flux density imposes the need for special machine construction when high air-gap flux density is needed. It is shown in this paper how a synchronous motor with strontium-ferrite PMs can efficiently replace an induction motor in low-power applications, and why a round stator is a clear winner against a U-core PM motor. |
| doi_str_mv | 10.1109/28.993169 |
| format | Article |
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Their price is some two orders of magnitude less than the price of rare-earth magnets. They are chemically inert, which makes them suitable for applications in aggressive environments. Strontium-ferrite magnets have high specific electric resistance, so they do not experience thermal problems due to eddy-current losses. On the other hand, their low residual flux density imposes the need for special machine construction when high air-gap flux density is needed. It is shown in this paper how a synchronous motor with strontium-ferrite PMs can efficiently replace an induction motor in low-power applications, and why a round stator is a clear winner against a U-core PM motor.</description><identifier>ISSN: 0093-9994</identifier><identifier>EISSN: 1939-9367</identifier><identifier>DOI: 10.1109/28.993169</identifier><identifier>CODEN: ITIACR</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air gaps ; Chemicals ; Electric machines ; Electric resistance ; Flux ; Flux density ; Induction motors ; Inert ; Magnets ; Motors ; Permanent magnets ; Pumps ; Rare earth metals ; Stators ; Strontium ; Synchronous motors ; Thermal resistance</subject><ispartof>IEEE transactions on industry applications, 2002-03, Vol.38 (2), p.476-482</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-47904c29ca5fe32f37b569ddaf1ea3a315d22ec36a990fbd0a87a154081326fa3</citedby><cites>FETCH-LOGICAL-c367t-47904c29ca5fe32f37b569ddaf1ea3a315d22ec36a990fbd0a87a154081326fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/993169$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/993169$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ostovic, V.</creatorcontrib><title>Performance comparison of U-Core and round-stator single-phase permanent-magnet motors for pump applications</title><title>IEEE transactions on industry applications</title><addtitle>TIA</addtitle><description>Strontium-ferrite-based permanent magnets (PMs) are attractive for applications in electric machines due to several reasons. 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It is shown in this paper how a synchronous motor with strontium-ferrite PMs can efficiently replace an induction motor in low-power applications, and why a round stator is a clear winner against a U-core PM motor.</description><subject>Air gaps</subject><subject>Chemicals</subject><subject>Electric machines</subject><subject>Electric resistance</subject><subject>Flux</subject><subject>Flux density</subject><subject>Induction motors</subject><subject>Inert</subject><subject>Magnets</subject><subject>Motors</subject><subject>Permanent magnets</subject><subject>Pumps</subject><subject>Rare earth metals</subject><subject>Stators</subject><subject>Strontium</subject><subject>Synchronous motors</subject><subject>Thermal resistance</subject><issn>0093-9994</issn><issn>1939-9367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0TFP3TAQB3CrAolX2oGVyerQisHUju0kN1ZPhVZCKgNvjo7kTIMS29jJwLfHTw91YCjTDfe7v-50jJ0peamUhO9VewmgVQ0f2EaBBgG6bo7YRkrQAgDMCfuY86OUylhlNmy6peRCmtH3xPswR0xjDp4Hx3diGxJx9ANPYfWDyAsuIfE8-oeJRPyLmXik_Sz5Rcz44Gnhcygm85LJ4zpHjjFOY4_LGHz-xI4dTpk-v9ZTtrv6ebf9JW7-XP_e_rgRfVl2EaYBafoKerSOdOV0c29rGAZ0ilCjVnaoKioWAaS7HyS2DSprZKt0VTvUp-zbITem8LRSXrp5zD1NU9k0rLkD2YAFbVWRX_8rK7DG2ta8D1srm7qGAr-8gY9hTb6c27WtsVJLYwu6OKA-hZwTuS6mccb03CnZ7f9Y8rrDH4s9P9iRiP651-YLnrGYtg</recordid><startdate>20020301</startdate><enddate>20020301</enddate><creator>Ostovic, V.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| issn | 0093-9994 1939-9367 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Air gaps Chemicals Electric machines Electric resistance Flux Flux density Induction motors Inert Magnets Motors Permanent magnets Pumps Rare earth metals Stators Strontium Synchronous motors Thermal resistance |
| title | Performance comparison of U-Core and round-stator single-phase permanent-magnet motors for pump applications |
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