Enhanced Inertial Response Capability of a Variable Wind Energy Conversion System

Jun Wang, Yien Xu, Xiaoxin Wu, Jiejie Huang, Xinsong Zhang and Hongliang Yuan
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Jun Wang: Alpha ESS Co., Ltd., Nantong 226019, China
Yien Xu: School of Electrical Engineering, Nantong University, Nantong 226019, China
Xiaoxin Wu: School of Electrical Engineering, Nantong University, Nantong 226019, China
Jiejie Huang: School of Electrical Engineering, Nantong University, Nantong 226019, China
Xinsong Zhang: School of Electrical Engineering, Nantong University, Nantong 226019, China
Hongliang Yuan: Alpha ESS Co., Ltd., Nantong 226019, China

Energies, 2021, vol. 14, issue 23, 1-13

Abstract: An inertial response emulated control strategy of doubly-fed induction generators (DFIGs) is able to arrest their frequency decline following a severe frequency event. Nevertheless, the control coefficient is unchanged, so as to limit the benefit potentiality of improving the inertial response capability for various disturbances and provide less of a benefit for boosting the frequency nadir. This paper addresses an enhanced inertial response emulated control scheme for a DFIG to improve the maximum frequency deviation and maximum rate of change of frequency for various disturbances. To this end, the control coefficient is coupled with the system frequency deviation so as to regulate the control coefficient according to the system frequency deviation (i.e., sizes of the disturbance). Results clearly indicate that the proposed inertial response emulated control strategy provides better performance in terms of improving the maximum rate of change of frequency and maximum frequency deviation under various sizes of disturbance and random wind speed conditions.

Keywords: wind generation; power system control; inertial response; DFIG; wind generation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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