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:: Volume 1, Issue 2 (1-2014) ::
JNSEE 2014, 1(2): 76-92 Back to browse issues page
Design and Analysis of the Droop-Controlled Parallel Four-leg Inverters to Share Unbalanced and Nonlinear Loads
Majid Hosseinpour , Mustafa Mohamadian, Ali Yazdian Varjani
Tarbiat Modares University , hoseinpour.majid@gmail.com
Abstract:   (10791 Views)
In this paper, the performance of wireless operation of four-leg parallel inverters, at the presence of unbalanced nonlinear loads, is investigated. In order to control the parallel inverters, an inner current and external voltage control loops should be designed. In this paper, a proportional controller for the current internal loop as well as a proportional-resonant one for the voltage external loop are investigated and designed to ensure the proper performance of the system at the presence of unbalanced and nonlinear loads. In this paper, droop control and virtual output impedance loops have formed the power sharing control system for the parallel inverters. The proposed system is able to feed balanced, unbalanced, and nonlinear loads and provides an appropriate sinusoidal voltage waveform for loads by accurately sharing power between the parallel inverters. Simulation results verify the accurate and proper performance of the proposed system.
Keywords: four-leg inverter, parallel inverters operation, Droop method, Virtual output resistive impedance
Full-Text [PDF 487 kb]   (2909 Downloads)    
Type of Study: Research | Subject: Power Electronics Application in Power Systems
Received: 2013/05/20 | Accepted: 2013/12/1 | Published: 2014/01/5
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Hosseinpour M, Mohamadian M, Yazdian Varjani A. Design and Analysis of the Droop-Controlled Parallel Four-leg Inverters to Share Unbalanced and Nonlinear Loads. JNSEE. 2014; 1 (2) :76-92
URL: http://jnsee.sut.ac.ir/jnsee/article-1-39-en.html

Volume 1, Issue 2 (1-2014) Back to browse issues page
سامانه های غیرخطی در مهندسی برق Journal of Nonlinear Systems in Electrical Engineering
نشریه سامانه‌های غیرخطی در مهندسی برق در خصوص اصول اخلاقی انتشار مقاله، از توصیه‌های «کمیته بین‌المللی اخلاق نشر» موسوم به COPE و «منشور و موازین اخلاق پژوهش» مصوب معاونت پژوهش و فناوری وزارت علوم، تحقیقات و فناوری تبعیت می‌کند.
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