Grid Stability Enhancement by a High Voltage SiC MOSFET-Based Asynchronous Microgrid Power Conditioning System

被引：4
|
作者：
Li, Dingrui [1 ]
Kong, Le [1 ]
Nie, Cheng [1 ]
Huang, Xingxuan [1 ]
Ji, Shiqi [1 ]
Lin, Min [1 ]
Wang, Fred [1 ,2 ]
Tolbert, Leon M. [1 ]
机构：
[1] Univ Tennessee, Min H Kao Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Oak Ridge, TN USA
来源：
2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021) | 2021年
基金：
美国国家科学基金会;
关键词：
Asynchronous microgrid; power conditioning system; medium voltage converter; high voltage SiC MOSFET; harmonic stability enhancement;
D O I：
10.1109/APEC42165.2021.9487223
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Asynchronous microgrid (ASMG) is a microgrid concept where the ac microgrid is connected to a utility grid through a power conditioning system (PCS). The development of high voltage (HV, >3.3 kV) silicon carbide (SiC) MOSFET technology promotes the implementation of ASMG PCS converters. However, the system-level benefits from SiC MOSFETs have not been well studied for this application. This paper discusses ASMG system stability enhancement resulting from HV SiC MOSFET-based PCS converters. HV SiC MOSFET-based PCS converters can achieve high control frequency, which can benefit the potential harmonic instability caused by the digital control delay. A detailed theoretical analysis is provided, and experimental results for the stability enhancement capability are demonstrated on a converter-based hardware testbed (HTB).
引用
收藏
页码：111 / 118
页数：8
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