Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives

Feng Guo; Tao Yang; Chen LiSerhiy BozhkoPatrick Wheeler

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Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives

机译：Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives

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摘要

In this article, the equivalent relationship between the nearest-three-virtual space vector and carrier-based pulsewidth-modulation scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC) converter. Moreover, to solve the neutral-point voltage imbalance problem of the studied 3L-NPC converter-fed high-speed drives, an active modulation strategy with the generalized bias-offset injection technique is proposed. Meanwhile, the excessive computational burden is significantly overcome by the fast calculation approach. The effectiveness of the proposed modulation algorithm is validated through both simulation and experimental results obtained from a 45 kW, 32 kr/min aircraft electric starter/generator prototype system.

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来源
《IEEE Transactions on Industrial Electronics》 |2022年第3期|2276-2287|共12页
作者
Feng Guo; Tao Yang; Chen LiSerhiy BozhkoPatrick Wheeler;
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作者单位

The University of Nottingham;

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原文格式 PDF
正文语种英语
中图分类无线电电子学、电信技术;
关键词
Capacitor voltage balance; generalized bias-offset injection (GBOI); high-speed drives; more-electric-aircraft (MEA); three-level topology; Modulation; Capacitors; Switches; Engines; Aircraft; Shafts; Pulse width modulation;

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives

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