NDLI: Neutral-point clamped three-level general purpose inverter

Content Provider	IEEE Xplore Digital Library
Author	Krug, H.-P. Kume, T. Swamy, M.
Copyright Year	2004
Description	Author affiliation: Yaskawa Electr. Europe GmbH, Schwalbach, Germany (Krug, H.-P.)
Abstract	This paper introduces a neutral-point clamped three-level PWM inverter for general industry applications in the 400-480 volt range. Since the voltage stress applied to the power devices of three-level configuration is half that of the two-level version, this topology was traditionally used for medium voltage drives both in industrial and traction areas. Basic behavior of the NPC topology brings significant advantages to the low voltage applications as well. Especially, the lower voltage steps associated with the switching help in the mitigation of problems related to surge voltages at the motor terminals, leakage current, shaft voltage and bearing current, and so on. The three-level NPC inverter newly introduced for general-purpose application combines sophisticated PWM technique and modern control laws to yield high performance drive. The features and benefits of this product are presented along with measured waveforms.
Sponsorship	IEEE Power Electon. Soc
Starting Page	323
Ending Page	328
File Size	486225
Page Count	6
File Format	PDF
ISBN	0780383990
ISSN	02759306
DOI	10.1109/PESC.2004.1355764
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-20
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation inverters Topology Industry applications Stress Medium voltage Low voltage Surges Traction motors Leakage current Shafts
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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