Authors: Pai, Ajay Poonjal
Siddique, Hafiz Abu Bakar
De Doncker, Rik W.
Editors: Kubis, Andreas
Rehtanz, Christian
Shapovalov, Anton
Hilbrich, Dominik
Plota, Ewa
Title: Generalized Implementation of Switching-Loss-Minimized Space-Vector Modulation for Three-Level Converters
Language (ISO): en
Abstract: With increasing integration of the intermittent and volatile renewable energy resources into the existing ac grid infrastructure, the grid stability is decreasing. Large battery storage systems are proposed to act as short-time buffer to cope with transient instabilities. A promising converter to interface such low-voltage high-power battery banks is the T-type Neutral- Point-Clamped Converter (TNPC). A generalized implementation of a variant of the well-known space vector modulation featuring lower losses is proposed in this work. The derived relations to select a particular switching sequence are based on the binary logic and symmetry of the possible states in such a three-level converter. The algorithm proposed in this work dynamically adjusts the switching sequences to accommodate capacitive as well as inductive behavior.
Subject Headings: Neutral-point-clamped (NPC) converters
bus clamping
space-vector modulation (SVM)
pulse-width modulation (PWM)
T-type NPC (TNPC)
Issue Date: 2015-01-14
Is part of: Power and Energy Student Summit(PESS) 2015, January 13th-14th, Dortmund Germany
Appears in Collections:Power and Energy Student Summit (PESS) 2015

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