Propose a MPPT Algorithm Based on Thevenin Equivalent Circuit for Improving Photovoltaic System Operation

  title={Propose a MPPT Algorithm Based on Thevenin Equivalent Circuit for Improving Photovoltaic System Operation},
  author={Binh Nam Nguyen and Van Tan Nguyen and Minh Quan Duong and Kim Hung Le and Huu Hieu Nguyen and Anh Tuan Doan},
  booktitle={Frontiers in Energy Research},
Smart grids are considered as key solutions to solve current power security issues. Among these suggestions, microgrid is proposed to integrate distributed generations (DGs) such as photovoltaic (PV) system into the network and the control of DGs output power is getting more attention. The output power of PV arrays with nonlinear characteristics is affected by temperature, solar irradiation and load. Various maximum power point tracking (MPPT) methods for photovoltaic (PV) power systems have… 

A Proposal for an MPPT Algorithm Based on the Fluctuations of the PV Output Power, Output Voltage, and Control Duty Cycle for Improving the Performance of PV Systems in Microgrid

A new maximum power point tracking method based on the parameters of power deviation, voltage difference, and duty cycle change is proposed for photovoltaic systems and achieves good results.

A Novel Maximum Power Point Tracking Strategy Based on Enhanced Real-Time Adaptive Step-Size Modified Control for Photovoltaic Systems

With the development of society, the demand for energy keeps increasing. Solar energy has received widespread concern for its renewable and environmentally friendly advantages. As one of the most

Circuit Parameter Range of Photovoltaic System to Correctly Use the MPP Linear Model of Photovoltaic Cell

The relationships between MPP-TCM and circuit parameters are successfully found, disclosing the constraints among parameters when the MPP -TCM is used to implement the overall linearization of a PV system.

Management and Performance Control Analysis of Hybrid Photovoltaic Energy Storage System under Variable Solar Irradiation

This paper introduces the management control of a microgrid comprising of photovoltaic panels, battery, supercapacitor, and DC load under variable solar irradiation and shows that the multi-loop proportionally integral controllers Perturb and Observe are better than theMulti-loop proportional integral controllers Incremental Conductance in terms of stability of injected power.

Simulations of the Performance of Maximum Power Point Tracking Algorithms Based on Experimental Data According to the Topologies of DC-DC Converters

An experimental evaluation of MPPT algorithms according to DC-DC converters topologies, under normal operation conditions shows that buck converter has a lot of power losses when controlled by each of the four MPPT algorithm.

Control of Boost Converter Using Observer-Based Backstepping Sliding Mode Control for DC Microgrid

The output voltage of a photovoltaic (PV) system relies on temperature and solar irradiance; therefore, the PV system and a load cannot be connected directly. To control the output voltage, a DC-DC

Stability Analysis of an Islanded Microgrid Using Supercapacitor-based Virtual Synchronous Generator

The gradually increasing number of distributed generators in microgrids cause negative affections to their dynamic stability. Moreover, dynamic performance of small synchronous generators such as

Stability analysis of an isolated microgrid with the presence of the hybrid energy storage system-based virtual synchronous generator

It can be concluded from the simulation results that the proposed virtual synchronous generator (VSG) can effectively compensate power fluctuations and maintain the stability of the studied microgrid under various disturbance conditions.

PI-like fuzzy based synchronous SEPIC converter control for PV-fed small scale irrigation DC pump

Abstract For off-grid, standalone solar-fed water pumping has become a very viable option for small householder farmers. Appropriate configuration and control to suit this specific application are

Stochastic Fractal Search Optimization Algorithm Based Global MPPT for Triple-Junction Photovoltaic Solar System

For the first time, a stochastic fractal search (SFS) optimization algorithm is applied to solve the dilemma of tracking the global power of PV system based triple-junction solar cells under shading conditions and the effectiveness and robustness of the proposed global MPPT–SFS based tracker is confirmed.



Design and Implementation of a New Algorithm for Enhancing MPPT Performance in Solar Cells

A new algorithm for improving the maximum power point tracking method in solar cells by combining the perturb and observe and the constant voltage algorithms combined intelligently in order to have a fast response and a high power efficiency.

Optimized one-cycle control in photovoltaic grid connected applications

The use of one-cycle control (OCC) for maximum power point tracking (MPPT) and power factor correction (PFC) in grid connected photovoltaic (PV) applications is discussed. Circuit and operating

A Comparative Study on Maximum Power Point Tracking Techniques for Photovoltaic Power Systems

This paper provides a comprehensive review of the maximum power point tracking (MPPT) techniques applied to photovoltaic (PV) power system available until January, 2012. A good number of publications

Distributed photovoltaic architecture powering a DC bus: Impact of duty cycle and load variations on the efficiency of the generator

This paper focuses on a photovoltaic generator feeding a load via a boost converter in a distributed PV architecture and deduce the limits imposed by the load on the DC PV bus.

Analytical MPPT solution using Thevenin approach for solar panels

An analytical maximum power point tracking technique using a dynamic Thevenin model dependent on ambient conditions and providing a faster performance comparing to numerical controllers is proposed.

Thevenin's equivalent of photovoltaic source models for MPPT and power grid studies

The model of a photovoltaic (PV) source is needed for Maximum Power Point Tracking (MPPT) and power grid studies. The single diode model can fairly emulate PV's characteristic. The only nonlinear

Maximum photovoltaic power tracking: an algorithm for rapidly changing atmospheric conditions

As the maximum power operating point (MPOP) of photovoltaic (PV) power generation systems changes with changing atmospheric conditions (e.g. solar radiation and temperature), an important

A Comparative Study on Controllers for Improving Transient Stability of DFIG Wind Turbines During Large Disturbances

Under power system short-circuits, the Doubly-Fed Induction Generator (DFIG) Wind Turbines (WT) are required to be equipped with crowbar protections to preserve the lifetime of power electronics

A simplified PV model for low power MPPT controller design

Theoretical insight assisted by practical test data has provided a new MPPT criterion in terms of equivalent resistance that is both novel and useful in developing a controller that tracks the maximum power point under dynamic conditions.

Comparative study of peak power tracking techniques for solar storage system

  • C. HuaChih-Lung Shen
  • Engineering
    APEC '98 Thirteenth Annual Applied Power Electronics Conference and Exposition
  • 1998
As the power supplied by solar arrays depends upon the insolation, temperature and array voltage, it is necessary to control the operating points to draw the maximum power of the solar array. The