Passivity and Decentralized Stability Conditions for Grid-Forming Converters

被引：3
|
作者：
He, Xiuqiang [1 ]
Dorfler, Florian [1 ]
机构：
[1] Swiss Fed Inst Technol, Automatic Control Lab, CH-8092 Zurich, Switzerland
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2024年 / 39卷 / 03期
基金：
欧盟地平线“2020”;
关键词：
Complex droop control; dispatchable virtual oscillator control; grid-forming control; passivity; transient stability;
D O I：
10.1109/TPWRS.2024.3360707
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：
We prove that the popular grid-forming control, i.e., dispatchable virtual oscillator control (dVOC), also termed complex droop control, exhibits output-feedback passivity in its large-signal model, featuring an explicit and physically meaningful passivity index. Using this passivity property, we derive decentralized stability conditions for the transient stability of dVOC in multi-converter grid-connected systems, beyond prior small-signal stability results. The decentralized conditions are of practical significance, particularly for ensuring the transient stability of renewable power plants under grid disturbances.
引用
收藏
页码：5447 / 5450
页数：4
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