ZHANG Feng-ge
Shenyang University of Technology

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Research on Single-Variable Current Perturbation Tracking Method for Maximal Power Tracking Control Method of the Solar Power Generation System WANG Yu-xin; ZHANG Feng-ge; LI Lin-lin
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

In this paper, the traditional grid-connected PV perturbation method of disturbance near the maximum power point about the problems of shock,introduced a method based on single variable current control thought,established grid-connected PV maximum power tracking control system mathematical model, a novel single-variable current perturbation tracking method was put out, as long as the detected output current of the solar panel power generation system can achieve a stable variable maximum power tracking, through simulation and experimental study to verify the correctness of the model and the effectiveness of control methods. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4172
The Research of an Automatic Phase Displacement Island Protection Method of Photovoltaic Power Generation System WANG Yu-xin; ZHANG Feng-ge; LI Lin-lin
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper proposes a lonely island detection method based on automatic type phase displacement. Different form the traditional island detection methods, this method solve the problem of its some kind of detection under the condition of failure , improving active island detection technology of slip type automatic frequency quadratic displacement method. This method only need to change the output current of the initial angle without changing its frequency to detect whether the grid failure, compared with the traditional island detection methods, improve the accuracy of the grid fault detection. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4173