Research progress on equivalent inertia estimation of grid-connected power electronic devices

被引：0
作者：
Jia J. [1 ]
Yang T. [1 ]
Yan X. [1 ]
Zhang J. [1 ]
机构：
[1] Key Laboratory of Distributed Energy Storage and Microgrid of Hebei Province, North China Electric Power University, Baoding
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2023年 / 43卷 / 09期
基金：
中国国家自然科学基金;
关键词：
equivalent inertia; grid-connected power electronic devices; inertia; inertia estimation; new energy power system;
D O I：
10.16081/j.epae.202308006
中图分类号：
学科分类号：
摘要：
A high proportion of new energy is connected to the grid by power electronic devices such as converters，which weakens the system inertia characteristic and enriches the sources of system inertia. In order to clarify the function and potential of inertia estimation in new power system，the research progress in the field of equivalent inertia estimation of grid-connected power electronic devices at home and abroad is reviewed，and the discussion and prospect are put forward. The connotation of equivalent inertia is briefly expounded from the perspective of energy sources，and according to power disturbance and frequency measurement，the research history of off-line inertia estimation is reviewed. By dividing two mainstream research ideas，the research results of inertia online estimation of grid-connected power electronic devices and new energy power system are sorted out. Finally，the future research directions in the field of inertia estimation of new energy power system are prospected. © 2023 Electric Power Automation Equipment Press. All rights reserved.
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页码：3 / 10
页数：7
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