ABSTRACT

 

In Solar Photovoltaic Plants, the traditional method of managing plenty of solar panels is very challenging and inefficient. Since each panel set needs a digital power meter, which is very expensive to use for collecting the data from the panel. To cope with this problem, a standalone monitoring system of solar panels had been proposed, which consists of DC Power Monitoring Node (DPMN), Panel Parameter Monitoring Nodes (PPMN) and an embedded web server. Instead of monitoring PV plants from the installed place which is very complex and time consuming in nature, this proposed system will help users to remotely monitor and access the real-time data via internet. All the parameters from each panel will be sent to the smart analysis database system which was developed and embedded into the web server. Clients can access this web server for analyzing the performance of the solar plant by using any web browser with specified IP address from anywhere in the world. If the status of the solar panel becomes abnormal, the administrator will receive a message immediately, and necessary steps can be taken. Hence, this system will help the industry in a productive manner.

MIFRATECH CONTENTS PROVIDED ARE:

CHAPTER 1

1.1 INTRODUCTION

CHAPTER 2

2.1 OBJECTIVE

2.2 PROBLEM DEFINITION

2.3 PROPOSED SYSTEM

CHAPTER 3

3.1 BLOCK DIAGRAM

3.2 COMPONENTS REQUIRED

CHAPTER 4

4.1 LITERATURE SURVEY

CHAPTER 5

5.1 CONCLUSION

5.2 REFERENCES

1.1           INTRODUCTION

Solar PV industry is rapidly growing due to huge demand for electrical energy. With increasing installations of solar farms, monitoring, and detection of faults in PV plants has gained ample importance pertaining to the loss caused due to the same. Monitoring and fault detection play an important role in the healthy and optimum functioning of the plant. The work mainly focuses on the study of solar PV systems with in-depth analysis on the DC side of the system and connects it to the web server. The project aims to devise a system that could alert the user in case of any error in the system and efficiently specify the reason of failure and specify the panel. Firstly, it needs to collect data from a set of panels through RS-485 communications, and one side will be Master and another is Slave. Grid connected PV system needs continuous monitoring because of its installation expenses are too high, if some problem comes user can’t be able to monitor the exact fault and day-by-day its efficiency became loose. Perfect monitoring can protect the PV system from preventing the unexpected outcome; it can increase the operational lifetime of the panel also. So, an online monitoring system is an accurate solution for solar PV industry, it can notify user automatically if any problem occurs in the system. As a part of the renewable energy nowadays PV markets are in a most leading stage compared to other renewable sources so without continuous operational monitoring of a PV field it’s not possible to improve the systems overall performance efficiency. This paper represents a solution to the problem faced by the PV field owner. Section 2 discusses the proposed system regarding monitoring the PV field. Section 3 discusses the hardware part which is required as measurement aspect. Section 4 discusses about the web server development. Section 5 discusses results based on experimental setup. And section 6 is about conclusion and future works.

Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for most of the available renewable energy on earth. Only a minuscule fraction of the available solar energy is used.

Solar powered electrical generation relies on heat engines and photovoltaic. Solar energy's uses are limited only by human ingenuity. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, day lighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes. To harvest the solar energy, the most common way is to use solar panels. Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air. Not only installation of these technologies but also monitoring and controlling of these systems are very important. A study by solar experts concluded that about half of all solar power systems aren't working as they should, and this leads to around 20% of a year's solar electricity to be lost.

In this study we aim to monitor and control solar panels using web based system. The wide spread use of web has removed distance and communication barriers. The system would be developed using HTML, Java, and JSP it would provide various techniques to remotely manage solar panels set up at a single home or likewise a large solar farm.

LCD Display:

 

Ø A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizer’s.

Liquid crystals do not emit light directly, instead using a backlight or reflector to produce images in color or monochrome

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