Smart Resistor: Stabilization of DC Microgrids Containing Constant Power Loads Using High-Bandwidth Power Converters and Energy Storage

被引：33

作者：

Potty, Karun Arjun ^{[1
]}

Bauer, Eric ^{[2
]}

Li, He ^{[3
]}

Wang, Jin ^{[1
]}

机构：

[1] Ohio State Univ, Columbus, OH 43210 USA

[2] Honda RD Amer Inc, Raymond, OH 43067 USA

[3] NIO Inc, Shanghai, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2020年 / 35卷 / 01期

基金：

美国国家航空航天局;

关键词：

Constant power loads (CPLs); dc microgrids; energy storage; wide-bandgap semiconductors; STABILITY ANALYSIS; BUCK CONVERTERS; SYSTEMS; INSTABILITY; IMPEDANCE;

D O I：

10.1109/TPEL.2019.2910527

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Power electronic converters and electricmotor drives have found increased application in dc microgrids, electric automobiles, and ships. Such converters when driving loads in a regulated fashion act as constant power loads (CPLs). These CPLs can cause destabilizing effects on the grid because of their negative incremental impedance. This paper proposes a method to dynamically stabilize CPLs at the point of load by making them behave as adaptive Smart Resistors by using high-bandwidth power converters and energy storage units. These Smart Resistors can work with smart sources to realize ultimate intelligent power networks. The control strategies needed to achieve the concept, including voltage and current trajectory control principles, are analyzed and validated with a hardware test setup.

引用

页码：957 / 967

页数：11

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