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Bipolar Output Voltage Control Strategy for Three-Level Neutral-Point Clamped Converter for Low-Voltage DC Distribution System
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| Author(s) |
Mina KIM, Hwa-Pyeong PARK, Byoung-Sun KO, Dae-Seak CHA, Jung-Sik CHOI, Seung-Yeol OH |
| Abstract |
This paper proposes a bipolar output voltage control strategy for a 3-level NPC converter for LVDC systems. The proposed method compensates for the DC and AC imbalance between the bipolar outputs by injecting DC and AC offsets into the PWM reference. The effectiveness of the proposed method has been verified with simulation results compared to the conventional bipolar output voltage control methods and experimental results using a 400-kW 3-level NPC converter prototype. |
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| Filename: | 0159-epe2023-full-06491028.pdf |
| Filesize: | 2.531 MB |
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| Type |
Members Only |
| Date |
Last modified 2023-09-24 by System |
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