Effect Mechanism of Primary Frequency and Virtual Inertia Control of Inverter Power on Low Frequency Oscillation in Wind-thermal/Solar-thermal Bundled System

被引：0

作者：

Sun D. ^{[1
]}

Liu H. ^{[1
]}

Li Y. ^{[1
]}

Zhang R. ^{[1
]}

Ren Y. ^{[2
]}

Wang X. ^{[1
]}

Cheng X. ^{[1
]}

机构：

[1] State Grid Wind-photovoltaic-energy Storage Hybrid Power Generation Technology Laboratory (North China Electric Power Research Institute Co., Ltd.), Xicheng District, Beijing

[2] Department of Electrical Engineering, Tsinghua University, Haidian District, Beijing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2021年 / 41卷 / 17期

关键词：

Inverter power; Low frequency oscillation; Oscillation mechanism; Primary frequency modulation; Virtual inertia; Wind-thermal/solar-thermal bundled system;

D O I：

10.13334/j.0258-8013.pcsee.201693

中图分类号：

学科分类号：

摘要：

Primary frequency regulation and virtual inertia control can help inverter power to overcome the shortcomings of weak frequency regulation ability and small inertia by changing the structure of the outer power loop of the power, which has attracted much attention in recent years. The frequency modulation and inertia functions of the inverter power will not only change its own frequency support characteristics, but may also affect the low frequency oscillation characteristics of power system. At present, the related research focuses on the damping characteristics of traditional inverter power. However, there is little research on how its frequency modulation and inertia control functions effect low frequency oscillation between units or between regions. Based on the consideration of frequency modulation and inertia control, this paper constructed a mathematical model of the grid-connected inverter power system, which is suitable for the study of low-frequency oscillation characteristics. Based on this, the frequency damping and inertia functions of the inverter power were analyzed for the overall damping and inertia of the system. The influence of inverter power on the low-frequency oscillation mode of the power grid was revealed. Experiments were performed on the RT-LAB platform to verify the results of theoretical analysis. The result indicate that the frequency modulation and inertia control of inverter generators can influent the low-frequency oscillation damping of the nearby synchronous generators. The response speed of the frequency modulation and inertia control will determine the degree of influence of the inverter power. © 2021 Chin. Soc. for Elec. Eng.

引用

页码：5947 / 5956

页数：9

共 31 条

[1]

GE Jun, LIU Hui, JIANG Hao, Et al., Analysis and investigation on grid-connected operation adaptability of virtual synchronous generators, Automation of Electric Power Systems, 42, 9, pp. 26-35, (2018)

[2]

SUN Dawei, LIU Hui, GAO Shun'an, Et al., Small-signal modeling and stability analysis of current-controlled virtual synchronous generators, Power System Technology, 42, 9, pp. 2983-2993, (2018)

[3]

SUN Dawei, LIU Hui, GAO Shunan, Et al., Comparison of different virtual inertia control methods for inverter- based generators, Journal of Modern Power Systems and Clean Energy, 8, 4, pp. 768-777, (2020)

[4]

TANG Xisheng, MIAO Fusheng, QI Zhiping, Et al., Survey on frequency control of wind power, Proceedings of the CSEE, 34, 25, pp. 4304-4314, (2014)

[5]

SUN Dawei, LIU Hui, ZHAO Feng, Et al., Comparison of inverter generators with different support control methods, Power System Technology, 44, 11, pp. 4359-4369, (2020)

[6]

GB/T 19963-2011 Technical rule for connecting wind farm to power system, (2012)

[7]

GB/T 19964-2012 Technical requirements for connecting photovoltaic power station to power system, (2013)

[8]

GB/T 28566-2012 Security specification and its evaluation for generating unit interconnection, (2012)

[9]

GONG Yu, WANG Yang, LI Zhi, Et al., Engineering application effect analysis and optimization of photovoltaic virtual synchronous generator, Automation of Electric Power Systems, 42, 9, pp. 149-156, (2018)

[10]

ZHANG Xu, CHEN Yunlong, YUE Shuai, Et al., Retrospect and prospect of research on frequency regulation technology of power system by wind power, Power System Technology, 42, 6, pp. 1793-1803, (2018)

← 1 2 3 4 →