NDLI: New strategy to balance neutral-point voltage in three-level VSI based on SVM regarding output current

Content Provider	IEEE Xplore Digital Library
Author	Kiadehi, A.D. Aghazadeh, A. El Khamlichi Drissi, K. Pasquier, C.
Copyright Year	2015
Description	Author affiliation: IP, Aubiere, France (Pasquier, C.) \|\| Amirkabir Univ. of Technol., Tehran, Iran (Aghazadeh, A.) \|\| Inst. Pascal, Univ. Clermont Auvergne, Aubiere, France (Kiadehi, A.D.; El Khamlichi Drissi, K.)
Abstract	This paper proposes new modulation strategy in order to balance neutral-point voltage in the three-level Voltage Source Inverter (VSI). In the proposed method, not only initial neutral-point voltages and wanted voltage vector but also resulted current is used to detect and apply appropriate space vectors. In this method, all space vectors can be categorized into two dynamic groups which are P-Type and N-Type vectors. For each dynamic category, containing vectors are selected based on resulted current vector. This method slightly injects high order harmonics which lead to enhance voltage THD, due to using small and medium space vectors. Respecting dynamic categorizing, the proposed method has strong capability to rapidly balance neutral-point voltage, with regardless ripple for all modulation index ranges and balanced/unbalanced loads. Simulation results verify the validity and capability of the modulation strategy, also the proposed method is easy to implement without adding any extra hardware and expenses.
Starting Page	1
Ending Page	8
File Size	1436321
Page Count	8
File Format	PDF
e-ISBN	9789075815221
DOI	10.1109/EPE.2015.7309257
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-08
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	EPE Association and IEEE
Subject Keyword	Support vector machines Reactive power Capacitors Modulation three-level inverter Switches P-type and N-type Inverters neutral-point voltage balancing space vector modulation Passive optical networks
Content Type	Text
Resource Type	Article

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