Calculation of the critical inertia of a power system considering frequency security constraints

被引：0

作者：

Yi P. ^{[1
]}

Jing Z. ^{[2
]}

Xu F. ^{[1
]}

Chen L. ^{[1
]}

Qi J. ^{[2
]}

Jiang X. ^{[2
]}

Gao X. ^{[2
]}

机构：

[1] Department of Electrical Engineering, State Key Laboratory of Control and Simulation of Power Systems and Generation Equipment, Tsinghua University, Beijing

[2] Inner Mongolia Electric Power (Group) Co.Ltd, Hohhot

来源：

Qinghua Daxue Xuebao/Journal of Tsinghua University | 2022年 / 62卷 / 10期

关键词：

adjusting power constraints; construct frequency difference curve; critical inertia; frequency safety constraint; the rate of change of frequency constraint;

D O I：

10.16511/j.cnki.qhdxxb.2022.21.013

中图分类号：

学科分类号：

摘要：

With the large-scale access of new energy to the power grid,the inertia of the power system gradually decreases,and the system frequency security is seriously threatened.In this study, "critical inertia" is used to quantify the minimum inertia required to maintain system stability after a critical failure.First,an analytical frequency safety calculation method is proposed.By constructing the frequency difference curve,the calculation formula of the frequency safety constraint is obtained based on the average system open-loop model.Then,based on the frequency safety constraint,the rate of change of frequency constraint (RoCoF),and the unit regulation power constraint,the calculation of the system-critical inertia is transformed into the solution of the optimization problem.Finally,the simulation system is used to verify the effectiveness and accuracy of the critical inertia calculation method in this study.The simulation results show that the larger the adjustable power range of the unit is,the smaller the critical inertia becomes.By increasing the standby capacity of the unit,the critical inertia of the system can be reduced. © 2022 Press of Tsinghua University. All rights reserved.

引用

页码：1721 / 1729

页数：8

共 20 条

[1] WANG B, YANG D Y, CAI G W., Review of research on power system inertia related issues in the context of high penetration of renewable power generation[J], Power System Technology, 44, 8, pp. 2998-3006, (2020)
[2] PULGAR-PAINEMAL H, WANG Y J, SILVA-SARAVIA H., On inertia distribution, inter-area oscillations and location of electronically-interfaced resources[J], IEEE Transactions on Power Systems, 33, 1, pp. 995-1003, (2018)
[3] SHI X H., Enlightenment on blackout in South Australia[J], State Grid, 1, pp. 58-61, (2017)
[4] FANG Y J., Reflections on frequency stability control technology based on the blackout event of 9 august 2019 in UK[J], Automation of Electric Power Systems, 43, 24, pp. 1-5, (2019)
[5] SUN H D, WANG B C, LI W F, Et al., Research on inertia system of frequency response for power system with high penetration electronics[J], Proceedings of the CSEE, 40, 16, pp. 5179-5191, (2020)
[6] TAN B D, ZHAO J B, NETTO M, Et al., Power system inertia estimation:Review of methods and the impacts of converter-interfaced generations[J], International Journal of Electrical Power&Energy Systems, 134, (2022)
[7] PEPICIELLO A, VACCARO A, VILLACCI D, Et al., A method to evaluate the inertial response of frequency controlled converter-interfaced generation, Proceedings of 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC/I&CPS Europe), pp. 1-6, (2020)
[8] PEPICIELLO A, VACCARO A., An optimization-based method for estimating critical inertia in smart grids, Proceedings of 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), pp. 2237-2241, (2019)
[9] GU H J, YAN R F, SAHA T K., Minimum synchronous inertia requirement of renewable power systems[J], IEEE Transactions on Power Systems, 33, 2, pp. 1533-1543, (2018)
[10] FARROKHSERESHT N, ORESTICA H C, HESAMZADEH M R., Determination of acceptable inertia limit for ensuring adequacy under high levels of wind integration, Proceedings of the 11th International Conference on the European Energy Market (EEM14), pp. 1-5, (2014)

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