Virtual inertia control technology and application of energy storage power station

doi:10.11930/j.issn.1004-9649.202506023

Abstract

Abstract:

To address the issues of inertia reduction and frequency stability caused by high-penetration renewable energy access, a virtual inertia control system architecture for energy storage stations is proposed. Verified by the actual measurement of an energy storage power station in Shandong, this method can achieve rapid response under ±1.0 Hz/s frequencyances, with a control error of no more than 0.4%, which is conducive to enhancing the power grid's ability to suppress power disturbances. The method can not only improve the real-time and stability of frequency change rate measurement, but also effectively coordinate local response and dispatching instructions, providing support for inertia support and frequency stability power grids with high renewable energy penetration.

Key words: inertia response, energy storage, rate of change of frequency

HUANG Yingfeng, WANG Feng, CAI Desheng, LI Hucheng, ZHAO Jingbo. Virtual inertia control technology and application of energy storage power station[J]. Electric Power, 2026, 59(2): 148-153.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202506023

https://www.electricpower.com.cn/EN/Y2026/V59/I2/148

Figures/Tables 5

Fig.1 Inertial response control architecture of energy storage power station

Fig.2 Fast frequency response module

Table 1 parameter of inertia response

序号	定值	参数
1	工频/Hz	50
2	额定容量 $ {P}_{\rm N} $/MW	100
3	RoCoF动作死区/(Hz·s^–1)	±0.05
4	惯量时间常数 $ {T}_{\rm J} $/s	10
5	惯量有功限幅/MW	50

Fig.3 Inertia response waveform (−1.0 Hz/s excitation)

Fig.4 Inertia response waveform (+1.0 Hz/s excitation)

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