Generalized state space model and small signal stability analysis of Z-source converter

• Autorzy: Kouhanjani Masoud Jokar , Soltani Sina , Mardaneh Mohammad

Identyfikatory

DOI

10.24425/aee.2023.143696

• Języki publikacji: EN

Abstrakty

EN

This paper proposes two nonlinear exact and simple state space models of a Z-source converter (ZSC) connected to an ac grid. A generic model of a ZSC accompanied with proper controllers are proposed and a dynamic model of the whole system is derived; as a result, based on a simple one, an equivalent block diagram of the current-controlled ZSC system is proposed. The ac small signal stability method is applied and the impact of controller parameters on network’s stability is discussed. Besides, overall system dynamic performance has been assessed in the event of perturbations. Time-domain simulations have been implemented in PSCAD/EMTDC to validate the accuracy of the models and effectiveness of the proposed controllers. The results of the exact model are compared with the response of the equations which are applied in MATLAB.

Słowa kluczowe

EN

small signal stability; state space model; Z-source converter; ZSC

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2023
• Tom: Vol. 72, nr 1
• Strony: 173--188
• Opis fizyczny: Bibliogr. 32 poz., rys., tab., wz.

Twórcy

autor

Kouhanjani Masoud Jokar

• Department of Technical Study Shiraz Electric Distribution Company Shiraz, Iran

• https://orcid.org/0000-0001-9340-2460

autor

Soltani Sina

• Department of Control and Management Neyriz Ghadir Steel Complex (NGHSCO) Fars, Iran

• https://orcid.org/0000-0002-6970-5848

autor

Mardaneh Mohammad

• Department of Power and Control Engineering Shiraz University of Technology Shiraz, Iran

• https://orcid.org/0000-0002-7136-4587

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).