Modeling of Photovoltaic Array and Simulation of MPPT Algorithm

2013 ◽  
Vol 768 ◽  
pp. 23-28
Author(s):  
G. Rohini ◽  
Venkatesan Jamuna ◽  
M. Abirami ◽  
R. Ramprakash
Keyword(s):  
Output Power ◽  
Low Cost ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Photovoltaic Array ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Perturb And Observe ◽  
Power Point ◽  
Array Output

Maximum power point tracking techniques are used in photovoltaic systems to make best use of the photovoltaic array output power. Maximum power point depends on the temperature and irradiance conditions. Perturb and observe method is considered here. This method is widely used because of its low-cost and ease of implementation. The simulation of photovoltaic array modeling & Perturb & Observe method have been carried out in this paper.

scholarly journals IMPROVEMENT IN OUTPUT POWER BY DESIGNING ADAPTIVE REFERENCE CONTROL FOR BOOST CONVERTER IN SOLAR SYSTEM

IJOSTHE ◽  
2019 ◽  
Vol 6 (1) ◽  
pp. 9
Author(s):  
Sandeep Kumar ◽  
Brijesh Roshan Sahu
Keyword(s):  
Solar System ◽  
Output Power ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Pv Systems ◽  
Pv Array ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Power Point ◽  
Array Output

Maximum power point tracking (MPPT) techniques are used in photovoltaic (PV) systems to maximize the PV array output power by tracking continuously the maximum power point (MPP) which depends on panels temperature and on irradiance conditions. In this work we have made a comparison between P & O algorithm with proposed adaptive reference algorithm. It has been concluded that The power output with adaptive reference algorithm at the load terminal is coming to be 6.5 kilo Watts approximately where as with P & O it is calculated to be 1.5 kilo watts approximately. Hence it is a better proposed algorithm as compared to traditional P & O technique

scholarly journals Penerapan Teknik MPPT pada Modul Surya menggunakan Konverter DC-DC Topologi Synchronous Buck

2018 ◽  
Vol 6 (3) ◽  
pp. 328
Author(s):  
RATNA SUSANA ◽  
KEMAL ROSYIDI ◽  
DECY NATALIANA
Keyword(s):  
Solar Cells ◽  
Output Power ◽  
Duty Cycle ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Solar Module ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Perturb And Observe ◽  
Power Point

ABSTRAKKondisi sel surya sangat dipengaruhi oleh suhu dan intensitas matahari yang berperilaku dinamis, sehingga sel surya sulit mencapai titik tegangan dan arus maksimumnya. Sedangkan berdasarkan kurva karakteristik Daya-Tegangan sel surya, terdapat satu titik daya keluaran maksimum pada saat tertentu. Titik daya maksimum tersebut dapat dilacak menggunakan teknik Maximum Power Point Tracking (MPPT). Penerapan teknik MPPT pada modul surya menggunakan konverter DC-DC topologi synchronous buck yang dilakukan pada penelitian ini menggunakan metode perturb and observe. Pengaturan duty cycle PWM oleh Arduino Uno pada konverter DC-DC, akan menggeser titik daya modul surya agar selalu berada pada kondisi maksimum. Efisiensi konverter synchronous buck yang dihasilkan paling rendah adalah 43,73% pada duty cycle 10% dan tertinggi 95,6% pada duty cycle 100%. Hasil pengujian tanpa MPPT didapatkan daya keluaran modul surya tertinggi sebesar 16.49 Watt, dan pada saat yang sama ketika pengujian dilakukan dengan menerapkan teknik MPPT, maka daya keluaran modul surya yang terlacak adalah sebesar 23.60 Watt.Kata kunci: modul surya, MPPT, synchronous buck, perturb and observe.ABSTRACTThe condition of solar cells is very influenced by the temperature and the sun intensity which behaves dynamically, so that solar cells are difficult to reach the maximum point of  voltage and current. Whereas based on the Power-Voltage characteristics curve of  solar cells, there is a maximum output power point at any given moment. The maximum power point can be tracked using Maximum Power Point Tracking (MPPT) technique. Application of MPPT technique on solar module using DC-DC converter synchronous buck topology which is done in this research using perturb and observe method. PWM duty cycle setting by Arduino Uno in DC-DC converter, will shift the solar module power point to always be in maximum condition. The lowest synchronous buck converter efficiency is 43.73% in the 10% duty cycle and the highest is 95.6% in the 100% duty cycle. The test results without MPPT obtained the highest solar module output power of 16.49 Watt, and at the same time when the test is done by applying the MPPT technique, the tracked solar module output power is 23.60 Watt.Keywords: solar module, MPPT, synchronous buck, perturb and observe.

Maximum Power Point Tracking Algorithms for Grid-Connected Photovoltaic Energy Conversion System

2013 ◽  
Vol 3 (4) ◽  
pp. 424
Author(s):  
J.Surya Kumari ◽  
Ch. Saibabu
Keyword(s):  
Output Power ◽  
Maximum Power Point Tracking ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Photovoltaic Energy ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Power Point ◽  
Pv Generation ◽  
Array Output

<p class="Default">As the use of energy is increasing, the requirements for the quality of the supplied electrical energy are more tighten. Energy is the most basic and essential of all resources.  As conventional sources of energy are rapidly depleting and the cost of energy is rising, photovoltaic energy becomes a promising alternative source. Photovoltaic (PV) generation is becoming increasingly important as a renewable source since it exhibits a great many merits such as cleanness, little maintenance and no noise. The output power of PV arrays is always changing with weather conditions, i.e., solar irradiation and atmospheric temperature. Therefore, a Maximum Power Point Tracking (MPPT) control to extract maximum power from the PV arrays at real time becomes indispensable in PV generation system. In recent years, a large number of techniques have been proposed for tracking the maximum power point (MPP). MPPT is used in photovoltaic (PV) systems to maximize the photovoltaic array output power, irrespective of the temperature and radiation conditions and of the load electrical characteristics the PV array output power is used to directly control the dc/dc converter, thus reducing the complexity of the system. The resulting system has high-efficiency. This paper presents in details comparison  of most popular MPPT algorithms techniques which are Perturb &amp; Observe algorithm(P&amp;O) and Improved Perturb &amp; Observe algorithm(IPO). Improved Perturb &amp; Observe algorithm (IPO), is a very promising technique that allows the increase of efficiency and reliability of such systems. Modeling and designing a PV system with Improved Perturb &amp; Observe algorithm (IPO) is remarkably more complex than implementing a standard MPPT technique. In this paper, Improved Perturb &amp; Observe algorithm (IPO), system for PV arrays is proposed and analyzed.</p>

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