多个串联的SiC mosfet的关断延迟调节有源电压平衡

IF 1.7 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IET Power Electronics Pub Date : 2025-01-22 DOI:10.1049/pel2.70001

Cédric Mathieu de Vienne, Pierre Lefranc, Pierre-Olivier Jeannin, Bruno Lefebvre, Besar Asllani

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引用次数: 0

摘要

SiC mosfet是目前低千伏（<）高效转换最合适的解决方案。$<$ 10 kV $10 \,{\rm kV}$)。对于更高的电压，SiC mosfet的串联连接显示出很大的前景。然而，电压共享仍然是一个重大的技术挑战。本文提出了一种用于N SiC mosfet堆叠的有源电压平衡方法，该方法通过基于实时电压反馈的关断延迟的精确调整来实现。使用专门的分析模型来描述电压共享，设计，配置和评估控制方法。通过实验验证了硬开关变换器的控制性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Active voltage balancing by turn-off delays regulation for multiple series-connected SiC MOSFETs

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Active voltage balancing by turn-off delays regulation for multiple series-connected SiC MOSFETs

SiC MOSFETs are currently the most appropriate solution for high-efficiency conversions at low kilovolts ( $<$ $10 kV$ ). For higher voltages, the series connection of SiC MOSFETs shows great promise. However, voltage sharing remains a significant technical challenge. This article proposes an active voltage balancing approach for a stack of N SiC MOSFETs, achieved through precise adjustment of turn-off delays based on real-time voltage feedback. Using an analytical model tailored to describe voltage sharing, a control method is designed, configured, and evaluated. Control behavior is experimentally validated on hard switching converters.

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来源期刊

IET Power Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

5.50

自引率

10.00%

发文量

195

审稿时长

5.1 months

期刊介绍： IET Power Electronics aims to attract original research papers, short communications, review articles and power electronics related educational studies. The scope covers applications and technologies in the field of power electronics with special focus on cost-effective, efficient, power dense, environmental friendly and robust solutions, which includes: Applications: Electric drives/generators, renewable energy, industrial and consumable applications (including lighting, welding, heating, sub-sea applications, drilling and others), medical and military apparatus, utility applications, transport and space application, energy harvesting, telecommunications, energy storage management systems, home appliances. Technologies: Circuits: all type of converter topologies for low and high power applications including but not limited to: inverter, rectifier, dc/dc converter, power supplies, UPS, ac/ac converter, resonant converter, high frequency converter, hybrid converter, multilevel converter, power factor correction circuits and other advanced topologies. Components and Materials: switching devices and their control, inductors, sensors, transformers, capacitors, resistors, thermal management, filters, fuses and protection elements and other novel low-cost efficient components/materials. Control: techniques for controlling, analysing, modelling and/or simulation of power electronics circuits and complete power electronics systems. Design/Manufacturing/Testing: new multi-domain modelling, assembling and packaging technologies, advanced testing techniques. Environmental Impact: Electromagnetic Interference (EMI) reduction techniques, Electromagnetic Compatibility (EMC), limiting acoustic noise and vibration, recycling techniques, use of non-rare material. Education: teaching methods, programme and course design, use of technology in power electronics teaching, virtual laboratory and e-learning and fields within the scope of interest. Special Issues. Current Call for papers: Harmonic Mitigation Techniques and Grid Robustness in Power Electronic-Based Power Systems - https://digital-library.theiet.org/files/IET_PEL_CFP_HMTGRPEPS.pdf