NDLI: Modularized high frequency high power 3-level neutral point clamped PEBB cell for renewable energy system

Content Provider	IEEE Xplore Digital Library
Author	Sizhao Lu Zhengming Zhao Liqiang Yuan Ting Lu Yang Jiao Mingkai Mu Lee, F.C.
Copyright Year	2014
Description	Author affiliation: Bradley Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA (Yang Jiao; Mingkai Mu; Lee, F.C.) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Sizhao Lu; Zhengming Zhao; Liqiang Yuan; Ting Lu)
Abstract	This paper presents a modularized high frequency high power 3-level neutral point clamped power electronics building block (PEBB) for renewable energy system. Three-level diode neutral point clamped (NPC) and 3-level active NPC are most popular topologies used in industrial applications based on modularized building block. However, since the single 3-level diode NPC or active NPC cell is unable to form a 3-level DC-DC chopper, the applications of PEBB cells based on these two circuits are limited where a DC-DC chopper is needed. In this paper, loss analysis for the 3-level chopper built by two 3-level diode NPC cells or active NPC cells are conducted. Switching loops in PEBB cells are identified, and double pulse tests are conducted for turn on and turn off transient of the switching loops. Based on double pulse tests, the switching losses will be quantified for different switching loops. Two 3-level bi-directional chopper circuits based on the active NPC PEBB cells are presented and compared. Then the modified PEBB cell derived from single active NPC cell is proposed for 3-level bi-directional chopper. Based on a common active NPC PEBB cell, the power converter can be built with modularized structure to achieve high frequency, high efficiency and low cost.
Starting Page	2594
Ending Page	2599
File Size	3387493
Page Count	6
File Format	PDF
ISBN	9781479957767
DOI	10.1109/ECCE.2014.6953748
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Renewable energy sources Switching loss Switches Choppers (circuits) Power electronics Topology
Content Type	Text
Resource Type	Article

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