Critical voltage perturbation size for an open-loop perturb-and-observe (P&O) maximum power point tracking (MPPT) grid-connected solar photovoltaic (PV) system

2014 ◽  
Author(s):  
Emmanuel K. Anto ◽  
Philip Y. Okyere ◽  
Johnson A. Asumadu
Keyword(s):  
Open Loop ◽  
Critical Voltage ◽  
Solar Photovoltaic ◽  
Pv System ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Perturb And Observe ◽  
Power Point ◽  
Perturbation Size

A Modified MPPT Method for Photovoltaic System

2012 ◽  
Vol 430-432 ◽  
pp. 1348-1351
Author(s):  
Yu Shui Huang ◽  
Yan Jie Wei ◽  
Xue Chen
Keyword(s):  
Environmental Factors ◽  
Transient State ◽  
Photovoltaic System ◽  
Pv System ◽  
Maximum Power Point ◽  
Pv Array ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Perturb And Observe ◽  
Power Point

The output of photovoltaic (PV) array is affected by the environmental factors such as irradiation and temperature, so an effective maximum power point tracking (MPPT) method of PV array is necessary. In this paper, a modified perturb and observe (MPO) method is proposed to achieve MPPT for a PV system and to improve the shortcomings of prior methods. Comparing with a typical perturb and observe (P&O) MPPT method, the MPO efficiency is improved in transient state by the proposed MPPT as theoretical prediction.

Research on Grid-Connected Photovoltaic Power System Based on Virtual Synchronous Generator

2014 ◽  
Vol 703 ◽  
pp. 343-347
Author(s):  
Ya Yun Guan ◽  
Yu Xin Sun ◽  
Kai Shi ◽  
Huang Qiu Zhu ◽  
Xian Xing Liu
Keyword(s):  
Power System ◽  
Synchronous Generator ◽  
Solar Photovoltaic ◽  
Pv System ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Power Point ◽  
The Mathematical Model ◽  
Virtual Synchronous Generator

In order to realize the solar photovoltaic (PV) system connecting with grid friendly, a PV system with voltage-controlled inverter based on virtual synchronous generator (SG) is presented. This kind of system has features of SG, which supply the virtual moment of inertia to grid. The mathematical model of PV and virtual SG is built, and the control strategy of the maximum power point tracking (MPPT) is also studied in the paper. Simulation model of the grid-connected PV power system is built on Matlab/Simulink. Finally, correctness and feasibility of this system are verified by simulation results.

Photovoltaic Grid-Connected Generation Gnalog Device Gesign

2014 ◽  
Vol 577 ◽  
pp. 494-497
Author(s):  
Xue Feng Bai ◽  
Shi Qiu ◽  
Pei Li
Keyword(s):  
Single Phase ◽  
Solar Photovoltaic ◽  
Renewable Energy Resources ◽  
Pv System ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Control Scheme ◽  
New Energy ◽  
Power Point

With the reduction of non-renewable energy resources, energy conservation and development of new energy has become an important strategic plan around the world. Photovoltaic technology is also developing rapidly with more and more applications of solar energy. The project designed a set of solar photovoltaic grid-connected power generation analog devices. In this paper, the maximum power point tracking, DC-AC inverter technology, SPWM control technology related to single-phase grid-connected PV system have been studied, a comprehensive theoretical has been analyzed and to develop the relevant control scheme and design a set of simulator based on MSP430F169 microcontroller. The experimental results have met the target and achieved the desired effect.

scholarly journals Modelling and Simulation of P&O and PSO based MPPT Technique of a Standalone PV System

2019 ◽  
Vol 8 (3) ◽  
pp. 1217-1223
Keyword(s):  
Vital Role ◽  
Maximum Power ◽  
Pv System ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Gray Area ◽  
Research Article ◽  
Perturb And Observe ◽  
Power Point

Extraction of maximum amount of energy under the constraints of variable irradiance and temperature from solar panel is a burning topic of research now a day. MPPT[maximum power point tracking] acts a vital role for the fulfillment of the objective. Literature survey and research shows the gray area of conventional P&O[Perturb and Observe] method implemented for tracking MPPs[Maximum Power Point]. This research article conveys the implementation of PSO based MPPT technique and also compares the result with the conventional P&O algorithm in SIMULINK based MATLAB platform. The PSO based MPPT technique is applied to boost converter fed isolated standalone PV system and concluded with enhanced performance. This paper also calculates the factors like Pmax and Imax of the proposed new system which indicates better performance than the former.

Comparative Analysis of Various MPPT-Techniques for Optimization of Solar-PVEC System

2017 ◽  
Vol 9 (3) ◽  
pp. 94 ◽  
Author(s):  
G. S. Chaurasia ◽  
Sanjay Agrawal ◽  
N. K. Sharma
Keyword(s):  
Hill Climbing ◽  
Pv System ◽  
Maximum Power Point ◽  
Control Techniques ◽  
Photovoltaic Array ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Perturb And Observe ◽  
Power Point ◽  
Global Peak

<p>The paper aims to provide a comprehensive analysis of various MPPT Technique under various environmental condition. The photovoltaic array having non-linear power voltage characteristic and under non-uniform irradiances. It shows a many peaks which have many local peaks and one global peak. For getting a global peak among all local peaks, MPPT play an important role in PV system. Therefore a technique like maximum power point tracking (MPPT) is required to optimize the performance. Here the comparison of hill climbing perturb and observe (P&amp;O) algorithm technique, incremental and conductance (I&amp;C) control algorithm, the drift free P&amp;O algorithm technique are discussed in detail with simulation and simultaneously some other intelligent control techniques comparison are given briefly which help the researcher to ease in selecting the appropriate algorithm for specific application.</p>

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