一种采用串联10kv SiC MOSFET器件的16kv光伏逆变器

2020 IEEE International Electron Devices Meeting (IEDM) Pub Date : 2020-12-12 DOI:10.1109/IEDM13553.2020.9372078

R. Burgos, D. Dong, X. Lin, L. Ravi

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引用次数: 0

摘要

本文介绍了一种光伏(PV)三相逆变器的设计、构建和测试，该逆变器能够直接对线(无变压器)运行，额定功率为200w、11kv交流和16kv直流，具有简单的两电平逆变器拓扑结构，使用串联连接的10kv碳化硅(SiC) MOSFET器件作为等效的“20kv开关”，并使用基于印刷电路板(PCB)的交流和直流分布式电容器阵列实现零局部放电操作。实验结果表明，该系统具有优异的性能，效率达到99%，比功率达到5 kW/kg。

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A 16 kV PV Inverter Using Series-Connected 10 kV SiC MOSFET Devices

This paper presents the design, construction and testing of a photovoltaic (PV) three-phase inverter capable of direct-to-line (transformer-less) operation, rated for 200 W, 11 kV ac, and 16 kV dc, featuring a simple two-level inverter topology using series-connected 10 kV Silicon-Carbide (SiC) MOSFET de-vices operating as an equivalent ‘20 kV switch,’ and using printed-circuit-board (PCB) based ac and dc distributed capacitor arrays to achieve zero-partial-discharge operation. Experimental results demonstrate the excellent performance achieved, including an efficiency of 99 % and a specific power of 5 kW/kg.

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2020 IEEE International Electron Devices Meeting (IEDM)

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