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Iranian Journal of Electrical and Electronic Engineering، جلد ۱۶، شماره ۴، صفحات ۵۱۳-۵۲۳
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چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی An Improved Transformerless Grid-Connected PV System With Related Control Strategy to Reduce Leakage Current, Extract Maximum Power Point and Control Power
چکیده انگلیسی مقاله The main purposes of a transformerless grid-connected photovoltaic (PV) system consist of the reduction of leakage current, extraction of maximum power point (MPP), tracking of MPP (MPPT), controlling the active and reactive powers, and having the unity power factor. To achieve the above-mentioned aims, the following actions have been performed in this paper. First of all, a brief analysis of the transformerless PV system has been done by using the conventional full-bridge (FB) topologies with two bipolar and unipolar PWM techniques. Then, an effective solution has been also introduced to significantly reduce the leakage current in the conventional H5 FB topology. Moreover, a proper control method has been proposed by using the combination of the fractional open-circuit voltage (FOCV) and the model predictive control (MPC) strategies to extract the MPP from PV panels, control the injection of the reactive power to the gird and have the unity power factor. At last, the simulation results performed in PSCAD software will be used to prove the correct performance of the proposed control method in the improved H5 FB topology.
کلیدواژه‌های انگلیسی مقاله Full Bridge (FB) Inverter, H5 FB Topologies, Leakage Current, Pulse Width Modulation (PWM) Techniques, Bipolar PWM (BPWM) Modulation, Unipolar PWM (UPWM) Modulation, Maximum Power Point (MPP) Tracking, Fractional Open-Circuit Voltage (FOCV) Technique, Mod
نویسندگان مقاله | T. Ahmadzadeh
Department of Electrical Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran.


| E. Babaei
Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.


| M. Sabahi
Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.


| T. Abedinzadeh
Department of Electrical Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran.
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-1515-16&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Converters
نوع مقاله منتشر شده Research Paper
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