A Novel Approach for Comprehensive State-space Modeling of the Multilevel Grid Connected Inverters

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Manafi Miralilu Hassan; SALIMI MAHDI; SOLTANI JAFAR; AKBARIMAJD ADEL

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Journal Paper

Paper Information

Journal: JOURNAL OF INTELLIGENT PROCEDURES IN ELECTRICAL TECHNOLOGY Year:2023 | Volume:13 | Issue:52 Page(s): 33-52

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Information Journal Paper

Title

A Novel Approach for Comprehensive State-space Modeling of the Multilevel Grid Connected Inverters

Author(s)

Manafi Miralilu Hassan | SALIMI MAHDI | SOLTANI JAFAR | AKBARIMAJD ADEL | Issue Writer Certificate

Keywords

cascaded multilevel inverter

H-bridge converter

nonlinear controller

state-space modeling

Abstract

In this paper, a novel approach for comprehensive state-space modelling of the grid connected multi-level inverters is proposed. Details of the developed method is presented using cascaded H-bridge converters, however it can be applied to other topologies of the grid connected inverters as well. In multi-level converters, due to their nonlinear characteristic, application of the nonlinear controllers is more beneficial to ensure stability of the system in a wide range of operation. Hence, the state-space model is required to design a nonlinear controller. To achieve converter model, it is divided into some sub-circuits considering different operational intervals in a switching cycle. To verify accuracy and effectiveness of the obtained state-space model, a laboratory setup of a multi-level. Converter with two H-bridges has been designed and implemented. Also, results of the developed state-space model has been compared with the simulation/experimental results of the grid-connected converter. According to the simulation and experimental result, accuracy of the model is verified. It should be noted that all of the simulations have been performed by EMTDC/PSCAD toolbox.

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APA: Copy

Manafi Miralilu, Hassan, SALIMI, MAHDI, SOLTANI, JAFAR, & AKBARIMAJD, ADEL. (2023). A Novel Approach for Comprehensive State-space Modeling of the Multilevel Grid Connected Inverters. JOURNAL OF INTELLIGENT PROCEDURES IN ELECTRICAL TECHNOLOGY, 13(52 ), 33-52. SID. https://sid.ir/paper/1034908/en

Vancouver: Copy

Manafi Miralilu Hassan, SALIMI MAHDI, SOLTANI JAFAR, AKBARIMAJD ADEL. A Novel Approach for Comprehensive State-space Modeling of the Multilevel Grid Connected Inverters. JOURNAL OF INTELLIGENT PROCEDURES IN ELECTRICAL TECHNOLOGY[Internet]. 2023;13(52 ):33-52. Available from: https://sid.ir/paper/1034908/en

IEEE: Copy

Hassan Manafi Miralilu, MAHDI SALIMI, JAFAR SOLTANI, and ADEL AKBARIMAJD, “A Novel Approach for Comprehensive State-space Modeling of the Multilevel Grid Connected Inverters,” JOURNAL OF INTELLIGENT PROCEDURES IN ELECTRICAL TECHNOLOGY, vol. 13, no. 52 , pp. 33–52, 2023, [Online]. Available: https://sid.ir/paper/1034908/en

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