A simplified space-vector modulation algorithm for four-leg npc converters
| Autor: | Matias Diaz, Ralph Kennel, Jon Clare, Felix Rojas, Roberto Cardenas |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
Engineering
NPC converters four-leg converters Space vec¬tor Modulation (SVM) Distributed Power Generation Systems (DPGS) Unbalanced Distribution Systems business.industry 020208 electrical & electronic engineering Topology (electrical circuits) 02 engineering and technology Converters 021001 nanoscience & nanotechnology Electronic mail Power (physics) law.invention Support vector machine Capacitor Modulation Control theory law 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering 0210 nano-technology business Algorithm Space vector modulation |
| Zdroj: | IEEE Trans. on Power Electronics Artículos CONICYT CONICYT Chile instacron:CONICYT |
| ISSN: | 0885-8993 1941-0107 |
| Popis: | To interface generation sources and loads to four-wire distribution networks it is important to use power converters and modulation methods, which provide high performance, flexibility, and reliability. To achieve these goals, this paper proposes a simple and efficient space vector modulation (SVM) algorithm in $\alpha \beta \gamma$ coordinates for neutral point clamped (NPC) converters. The proposed SVM method reduces a 3-D ( $\alpha \beta \gamma$ ) search amongst modulating vectors into a simple 2-D ( $\alpha \beta$ ) problem. Moreover, the algorithm provides full utilization of the dc-link voltage and full utilization of the redundant vectors, and it can be applied to any other four-leg converter topology. The proposed SVM has been successfully validated using a 6-kW three-level four-leg NPC converter, achieving control over the voltages of the dc-link capacitors and a simple definition of the switching patterns for shaping the frequency spectrum. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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