Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Majumder Mriganka Ghosh, Resalayyan Rakesh, Imthias Mohammed, Gopakumar Kumarukattan Nair, Umanand Loganathan, Jarzyna Wojciech
Dyscypliny:
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Rok wydania:	2020
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Numer czasopisma:	11
Wolumen/Tom:	67
Strony:	9143 - 9152
Impact Factor:	8,236
Web of Science® Times Cited:	13
Scopus® Cytowania:	13
Bazy:	Web of Science \| Scopus
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	NIE
Abstrakty:	angielski
	In this article, a method is proposed for the first time, to increase the linear modulation range till full base speed irrespective of load power factor for a multilevel inverter fed induction motor drive. A five-level inverter with a single dc source is used for the proposed scheme. Using this method, linear pulsewidth modulation (PWM) operation of the inverter can be achieved till peak phase fundamental voltage of 0.637 V dc without exceeding machine phase voltage rating. This method eliminates all the lower order harmonics from machine phase voltage till the full speed range of operation. The proposed five-level inverter scheme is realized by cascading a two-level inverter with a capacitor fed H-bridge, feeding open-end induction motor drive from one end and a capacitor fed two-level inverter from the other end. The proposed scheme uses space vector redundancy to balance all the capacitors during its operation. Operation of the proposed drive is analyzed extensively for normal five-level operation as well as during the extended modulation range. Experimental results for steady state and transient state operation are presented to validate the proposed scheme.

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Extending the Linear Modulation Range to Full Base Speed Independent of Load Power Factor for a Multilevel Inverter Fed IM Drive

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