Title: Research on passivity-based control strategy of three-phase current source inverter based on interconnection and damping assignment

Authors: Shuo Zhan; Jing Bai; Chao-chao Li; Lin Yue; Hua-de Li

Addresses: College of Electric Information Engineering, Beihua University, Jilin Jilin, China ' College of Electric Information Engineering, Beihua University, Jilin Jilin, China ' State Grid Anhui Electric Power Company of Yingshang County, Anhui, China ' College of Electric Information Engineering, Beihua University, Jilin Jilin, China ' College of Mechanical Engineering, University of Science and Technology Beijing, Beijing, China

Abstract: In view of the facts that switching frequency of the high power current source inverter (CSI) is limited, and the load parameter of the system is variable, and moreover the performance of output is affected, an interconnection and damping assignment of passivity-based control (IDA-PBC) for three-phase CSI is proposed. The lumped-parameter model of three-phase CSI with independent storage unit is established, and its port-controlled Hamilton (PCH) model in Park coordinates is proposed. The control rate of the closed-loop system is obtained by solving the parametric partial differential equation based on interconnection and damping assignment. The controller is designed, and the stability of the system is analysed by Lyapunov function. The simulation and experiment results show that the inverter can output a good sinusoidal voltage which has strong anti-interference ability to the load disturbance. The stability and robustness of the system are also improved.

Keywords: current source inverter; CSI; port-controlled Hamiltonian system; interconnection and damping assignment; passivity-based control.

DOI: 10.1504/IJMIC.2019.103660

International Journal of Modelling, Identification and Control, 2019 Vol.32 No.3/4, pp.288 - 292

Received: 07 Jan 2019
Accepted: 07 Mar 2019
Published online: 18 Nov 2019 *

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