Impact of magnetic saturation on the steady-state operation of the controlled induction motor

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Title:	Impact of magnetic saturation on the steady-state operation of the controlled induction motor
Authors:	ID Ljušev, Petar (Author) ID Dolinar, Drago (Author) ID Štumberger, Gorazd (Author)
Files:	http://ev.fe.uni-lj.si/4-2003/ljusev.pdf
Language:	English
Work type:	Unknown
Typology:	1.01 - Original Scientific Article
Organization:	FERI - Faculty of Electrical Engineering and Computer Science
Abstract:	The paper presents a method for determination of the steady-state torque characteristics of the induction motor in the case of rotor field-oriented control (RFOC) with nonlinear magnetizing characteristic of the iron core included. The torque characteristics are determined for the constant stator current and the constant d-axis stator current. The characteristics obtained at a constant stator current are used to maximize the torque capability of the RFOC induction motor. The aim of the presented work is to obtain required steady-state torque with minimal stator current. Experiments show that the proposed selection of a magnetizing reference is promising.
Keywords:	induction motor, torque characteristics, magentic saturation
Year of publishing:	2003
PID:	20.500.12556/DKUM-27732
UDC:	621.313.33:681.532
ISSN on article:	0013-5852
COBISS.SI-ID:	8491798
NUK URN:	URN:SI:UM:DK:NYQD7D7O
Publication date in DKUM:	01.06.2012
Views:	1651
Downloads:	24
Metadata:
Categories:	Misc.
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Title:	Elektrotehniški vestnik
Publisher:	Strokovna zadruga koncesijoniranih elektrotehnikov
ISSN:	0013-5852
COBISS.SI-ID:	742916

Language:	Slovenian
Title:	Vpliv magnetnega nasičenja na stacionarne obratovalne lastnosti reguliranega asinhronskega motorja
Abstract:	V članku je predstavljen postopek za določanje navornih karakteristik pri stacionarnem obratovanju asinhronskega stroja v orientaciji rotorskega polja z upoštevanjem magnetnega nasičenja železa. Določene so navorne karakteristike pri konstantnem statorskem toku ▫$I_{sd}$▫ v d- osi (enačba (6) in sliki 1 in 2), izpostavljena pa je potreba upoštevanja nasičenja pri določitvi navornih karakteristik pri konstantnem statorskem toku Is z enačbo(7) (sliki 3 in 4). Določeni sta tudi krivulji maksimalnega navora v primeru vodenja asinhronskega stroja brez (9) in z (10) upoštevanjem nasičenja. Predlagan je algoritem za primeren izbor referenčne vrednosti toka ▫$I_{sd}$▫, ki naj bi omogočal tvorjenje zahtevanega navora z najmanjšim statorskim tokom (enačbi (13) in (14)). Krivulja maksimalnega navora reguliranega asinhronskega stroja z upoštevanjem nasičenja je bila potrjena tudi eksperimentalno (sliki 6 in 7). Podani rezultati kažejo, da je smiselno spreminjati referenčno vrednost toka ▫$I_{sd,ref}$▫ na predlagani način, saj s tem zagotovimo manjši statorski tok in manjše izgube.
Keywords:	asinhronski stroji, navorne karakteristike, magnetno nasičenje

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