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Iranian Journal of Electrical and Electronic Engineering، جلد ۱۴، شماره ۴، صفحات ۳۴۲-۳۵۲
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عنوان انگلیسی Dynamic Modeling and Control of Grid-Connected Photovoltaic Systems based on Amplitude-Phase Transformation
چکیده انگلیسی مقاله A voltage source inverter (VSI) is widely used as an interface for distributed generation (DG) systems. However, high-power applications with increasing voltage levels require an extra power converter to reduce costs and complications. Thus, a current source inverter (CSI) is used. This study presents a precise phasor modeling and control details for a VSI-based system for DG and compares it with a CSI-based system. First, the dynamic characteristics of the system based on amplitude-phase transformation are investigated via small signal analysis in the synchronous reference frame. Moreover, the performance of the grid-connected system is determined by adopting the closed-loop control method based on the obtained dynamic model. The control strategies employ an outer active-power loop cascaded with an inner reactive-power loop, which the inner loop is a single-input single-output system without coupling terms. The sensitivity analysis of the linearized model indicates the dynamic features of the system. The simulation results for the different conditions confirm proposed model and design of the controller.
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نویسندگان مقاله | A. Azghandi
Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan, Zahedan, Iran.


| S. M. Barakati
Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan, Zahedan, Iran.


| E. Heydari
Department of Electrical Engineering, Shahid Beheshti University, Tehran, Iran.
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-2067-1&slc_lang=en&sid=1
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/446/article-446-1073166.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Renewable Generation-1
نوع مقاله منتشر شده Research Paper
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