Modeling of PV Array and Performance Enhancement by MPPT Algorithm

Sridhar, R.; Jeevananathan,; Selvan, N. Thamizh; Banerjee, Saikat

doi:10.5120/1157-1429

Cited by 31 publications

(21 citation statements)

References 3 publications

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“…The basic equation requires additional parameters by the observation of the characteristics at the terminals of the photovoltaic array. So it can be expressed [2,7,8,9] as…”

Section: Modeling Of Photo Voltaic Arraysmentioning

confidence: 99%

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Design of PSO-Fuzzy MPPT Controller for Photovoltaic Application

Prakash

Sahoo

Karthikeyan

et al. 2014

Lecture Notes in Electrical Engineering

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This paper focus on modeling and simulation of Photovoltaic (PV) system by using improved mathematical model. Improved mathematical model which is used to study the changes in different parameter and effects on the PV array such as operating temperature and solar irradiation level improved. In this paper PSO-Fuzzy algorithm is proposed for MPPT control. The proposed algorithm will find the suitable duty ratio in order to maximize the power output of DC-DC converter. The proposed PSO-Fuzzy MPPT controller can work in the maximum power point for the complete range of solar data (temperature and solar irradiance level). IntroductionThe output characteristics of PV Panel depend upon surrounding temperature and illumination intensity. Each output characteristic has a unique Maximum Power Point (MPP) where the maximum power. The purpose of a maximum power point

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“…The basic equation requires additional parameters by the observation of the characteristics at the terminals of the photovoltaic array. So it can be expressed [2,7,8,9] as…”

Section: Modeling Of Photo Voltaic Arraysmentioning

confidence: 99%

“…An MPPT system consists of a buck or boost DC-DC converter to regulate the voltage and current at the load. It can be achieved by various conventional MPPT algorithms [1,2].…”

mentioning

confidence: 99%

Design of PSO-Fuzzy MPPT Controller for Photovoltaic Application

Prakash

Sahoo

Karthikeyan

et al. 2014

Lecture Notes in Electrical Engineering

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“…This is done by utilizing a boost converter whose duty cycle is varied by using a mppt algorithm. Few of the many algorithms are listed below [3], [4], [5] and [8].…”

Section: Vmppt Techniquementioning

confidence: 99%

“…Series connection of solar cells boost up the array voltage and parallel connection increases the current. In order to change the input resistance of the panel to match the load resistance (by varying the duty cycle), a DC to DC converter is required [4]. Buck-Boost converter is used to obtain more practical uses from solar panel.…”

Section: Iiblock Diagram Of Pv Systemmentioning

confidence: 99%

Modelling & Simulation of Photovoltaic System to Optimize the Power Output Using DC-DC Converter

ARORA¹,

sharma²

2014

IJAREEIE

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ABSTRACT:The recent upsurge in the demand of PV systems is due to the fact that they produce electric power without hampering the environment by directly converting the solar radiation into electric power. However the solar radiation never remains constant. It keeps on varying throughout the day. The need of the hour is to deliver a constant voltage to the grid irrespective of the variation in temperatures and solar insolation. In this paper I have designed a circuit such that it delivers constant and stepped up dc voltage to the load. I have studied the open loop characteristics of the PV array with variation in temperature and irradiation levels. Then coupled the PV array with the buck boost converter in such a way that with variation in load, the varying input current and voltage to the converter follows the open circuit characteristic of the PV array closely. At various insolation levels, the load is varied and the corresponding variation in the input voltage and current to the boost converter is noted. It is noted that the changing input voltage and current follows the open circuit characteristics of the PV array closely. KEYWORDS:Photovoltaic, Buck-Boost, Maximum Power Point, Direct Current I.INTRODUCTIONThe Conventional sources of energy are rapidly depleting. Moreover the cost of energy is rising and therefore photovoltaic system is a promising alternative. They are abundant, pollution free, distributed throughout the earth and recyclable. The hindrance factor is its high installation cost and low conversion efficiency. Therefore our aim is to increase the efficiency and power output of the system. It is also required that constant voltage be supplied to the load irrespective of the variation in solar irradiance and temperature. PV arrays consist of parallel and series combination of PV cells that are used to generate electrical power depending upon the atmospheric conditions ( solar irradiation and temperature). So it is necessary to couple the PV array with a boost converter. Moreover our system is designed in such a way that with variation in load, the change in input voltage and power fed into the converter follows the open circuit characteristics of the PV array. Our system can be used to supply constant stepped up voltage to dc loads. Solar energy has been harnessed by humans since ancient times using a variety of technologies. Solar radiation, along with secondary solar-powered resources such as wave and wind power, hydro-electricity and biomass, account for most of the available non-conventional type of energy on earth. Only a small fraction of the available solar energy is used [13]. Solar powered electrical generation relies on photovoltaic system and heat engines. Solar energy's uses are limited only by human creativity. To harvest the solar energy, the most common way is to use photo voltaic panels which will receive photon energy from sun and convert to electrical energy. Solar technologies are broadly classified as either passive solar or active solar depending on the way they detain, conve...

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“…Fuzzy Logic control technique is discussed in this paper for achieving the Maximum Power point. [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Maximum Power Point Tracking of Photovoltaic System Using Two Input and Two Output Fuzzy System

Chouksey

Pattanaik

Saket

2014

Lecture Notes in Electrical Engineering

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This paper presents a new intelligent method to track the maximum power point of a photovoltaic system under variable irradiance and temperature conditions using Fuzzy control logic. The system mainly consists of a photovoltaic panel, boost converter and fuzzy controller. The fuzzy control used in the system uses a rate of change of power (error) and change in error as the inputs to get the optimum reference voltage and optimum duty cycle to track the maximum operating point. This method assures fast tracking of a maximum power point with a high accuracy and the results is verified by using simulation.Keywords MPPT Á Two input two output fuzzy controller Á Photovoltaic panel IntroductionEnergy is the main concern of the modern life. As the fossil fuels are extinguishing rapidly from the earth, the demand of renewable energy is increasing day by day. The most effective among all renewable energy is the solar energy. Solar energy can be produced by using Photovoltaic panel but the major concern is the efficiency of producing the solar energy. Hence to overcome this problem and to get the maximum possible efficiency, the design of all the elements of the PV system has to be optimized.

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Modeling of PV Array and Performance Enhancement by MPPT Algorithm

Cited by 31 publications

References 3 publications

Design of PSO-Fuzzy MPPT Controller for Photovoltaic Application

Design of PSO-Fuzzy MPPT Controller for Photovoltaic Application

Modelling & Simulation of Photovoltaic System to Optimize the Power Output Using DC-DC Converter

Maximum Power Point Tracking of Photovoltaic System Using Two Input and Two Output Fuzzy System

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