The efficiency increases by 3040% more money the space requirement for a solar park is reduced, and. Here is a simple low cost solar tracker circuit which automatically moves the solar panel in the direction of sun. Portable solar tracker project circuit design and breadboarding. How to build a manual solar tracker mother earth news. The reason for this choice is active tracking is a fairly effective method to track the sun and a dualaxis tracking system has the capability of increasing the yield of. The drawback is that to directly convert light to electrical energy requires a solar transducer such as a solar panel.
Circuit schematic simulation results the ldr sensors circuits simulation results on livewire are shown below. For flatpanel photovoltaic systems, trackers are used to minimize the angle of incidence between the incoming sunlight and a photovoltaic panel, sometimes known. Its been awhile since i looked at how unipolar steppers work, but i think you should get a good basic tutorial and doubly check the logical operation of the 4017. In this article we are going to make a sun tracking solar panel using arduino, in which we will use two ldrs light dependent resistor to sense the light and a servo motor to automatically rotate the solar panel in the direction of the sun light.
The solar tracker circuit uses a window comparator to maintain the motor in a idle state as long as the two ldrs are under the same illumination level. The solar tracker comprises comparator ic lm339, hbridge motor driver ic l293d ic2 and a few discrete components. The circuit and the mechanism explained in this article may be considered as the easiest and perfect dual axis solar tracker system. A potential divider circuit is used to get the output voltage from the sensors. I designed this circuit and would like some input on it from anyone who is experienced with opamps. It was noticed that when the intensity of light is maximum at the sensor the 555 oscillator gives no pulse at its output whereas if the intensity of light is decreased then it gives square pulses at its output which are to be compared. Solar energy is very important means of expanding renewable energy resources. This is programmed to detect the sunlight through the photocells and. The pv tracking cells detect light intensity and convert it. Make a simple, lowcost solar tracker see the image gallery for the diagrams of the. Designing a mppt solar tracking system with buck converter to charge a 12v battery.
Pdf simplified solar tracking prototype researchgate. P4q is an electronics manufacturing services company specializing in renewable energy, trains and autos. Consists array of solar panels, an inverter, and sometimes a battery and or solar tracker and interconnection wiring. These instruments typically include computers, which can process complicated algorithms that enable the system to track the sun, and sensors, which provide information to a computer about the suns location or, when attached to a solar panel with a simple circuit board, can. A microcontroller based design methodology of an automatic solar tracker. Development of microcontrollerbased solar tracking system by.
Amongst these the most popular and best method to harness solar. The enduser will prefer the tracking solution rather than a fixed ground system because. Schematic block diagram of the proposed solar tracker is shown in fig. The sun tracking solar panel consists of two ldrs, solar panel and a servo motor and atmega328 micro controller. Beekeepers sun tracking solar wax melter project arduino uno. In this context solar tracking system is the best alternative to increase the efficiency of the photovoltaic panel. In this paper is described the design and construction of a microcontroller based solar panel tracking system. In this project we designed one circuit which consists of ldrslight dependent resistor and give information regarding the sun direction based. Design of a lowcost solar tracking photovoltaic pv. Automatic solar tracking system mayank kumar lokhande abstract. Because developing a solar tracker is typically a masters thesis work 10,14, technical implementations are difficult to access in the literature. Dualaxis solar tracker worcester polytechnic institute. There are many different kinds of solar trackers, such as singleaxis and dualaxis trackers, all of which can be the perfect. Design and construction of an automatic solar tracking system.
The efficiency of a panel determines the area of a panel 14 15. A photovoltaic solar tracking circuit schematic provided by marian popescu. Four ldr sensors are used to feedback from dc motors. We all know sun is the best source of energy source and has been shining since the universe was created. It was able to keep the solar panel aligned with the sun, or any light source repetitively. For a single motor there would be two of these circuits, one controlling each direction of the motor. Solarpower electronic circuits and electronic projects. Solar tracking system full circuit diagram available. A clever system has been developed by several designers, which uses two photovoltaic panels configured to maintain an even balance of power to a small electrical turntable motor.
Solarpower electronic circuits and electronic projects note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Simulation of a sun tracking solar power system the simulation is realized on matlabsimulink platform. An introduction to solar trackers solar power world. In modern solar tracking systems, the solar panels are fixed on a structure that moves according to the position of the sun. The first set of code basically tells our microcontroller to act as a solar mppt dcdc. So, solar panel should continuously rotate in the direction of sun. Design and simulation of a sun tracking solar power system. Design and implementation of a sun tracker with a dual. Solar tracker relay circuit using arduino use arduino for. Lightdependent resistors ldr1 through ldr4 are used as sensors to detect the panels position. Fabrication of dualaxis solar tracking controller project. Advantages and disadvantages of a solar tracker system. At the end of the project, a functional solar tracking system was designed and implemented. Circuit diagram the circuit design of solar tracker is simple but setting.
Solar tracker relay circuit using arduino posted date. The produced electrical energy can be increased if we move the solar panel as the movement of the sun. For solar panels control is best to use small motors with a suitable voltage and a maximum working current of 300 ma. Suntrack is a product line from p4q that produces solar tracker controllers. Generally solar panels are stationary devices which is fixed at a position.
This increase can be as much as 10 to 25% depending on the geographic location of the tracking system. Pdf design a simple solar tracker for hybrid power supply. The hbridge needed to drive the motor can either use four single contact relays or 2. Free to download ebook on practical solar tracking design, following the sun solar tracking system, sun tracking system, sun tracker system, solar tracker system, sun positioning system, and sun path tracking with follow the sun position calculation. Concentrated solar photovoltaics and concentrated solar thermal have optics that directly accept sunlight, so trackers must be angled. Advantage of this project is that solar panel will always follow the sun light will always face towards the sun to get charge all the time and can. The circuit works but i would like to make it more effecient. A quantitative measurement was also performed, which reported how well tracking system improved output power in. Passive solar techniques include selecting materials with favorable thermal properties, designing spaces that naturally circula te air, and referencing the position of a building to the sun.
Mothers supersimple solar tracker diy mother earth. Simple solar tracker system homemade circuit projects. Ok this is going to be my new home for my solar tracker made with the circuit from greenwatts lm339 after some deliberation i have decided to build my circuit on a bread board first and the move on to a pcb cut on my cnc router first question i have in this circuit diagram we have the. Mainly, the reason why we are focusing on a solar powered tracking device is because of the emergence of solar power in the world as of today. To produce an efficient solar generation system, a scaled down dualaxis solar tracker was designed, built and tested. Some more information is available about the systems used in solar energy applications but their geometries differ 1720. Trackers generate more electricity than their stationary counterparts due to increased direct exposure to solar rays. Some circuits would be illegal to operate in most countries and others are dangerous to construct and. Solar tracking system using arduino pratik pawar, ashish yadav, pritam makwana, shubham patil abstract in this paper, a solar tracking system using arduino is designed and built. Payloads are usually solar panels, parabolic troughs, fresnel reflectors, lenses or the mirrors of a heliostat. Solar tracking battery charger ucf department of eecs. This solar tracker system is used for tracking the sun only in one plane, the horizontal one.
Solar tracking uses complex instruments to determine the location of the sun relative to the object being aligned. Solar tracker, solar panel, hydraulic jacks, height control switches and microcontroller circuit. Maximum power point tracking mppt charger controller. Let us design a solar tracker using two servo motors, a light sensor consisting of four ldrs and arduino uno board. Active solar technologies increase the supply of energy and are considered supply side technologies, while passive solar technologies reduce the need for.
We can harness solar energy by either converting it into electricity using solar cell or using solar thermal energy by means of solar cooker, solar water heater or by using it to heat or cool a room using solar passive systems. Maybe its my lack of coffee this morning, but it appears to be flawed, logically. Solar trackers move the payload towards the sun throughout the day. Circuit a controls east and west path, while circuit b controls north and south path. The control circuit for the solar tracker is based on a pic16f84a microcontroller mcu. Pdf development of dual axis solar tracker system ijsrd. Also, i dont think 4017 circuit works as described. The component values can be found here solar tracker circuit parts list. One is an electronic circuit that controls charging current and voltage mmpt and the other is an electronic circuit that controls the physical position of solar panels. At most, the solar tracker was perpendicular to the light source within 3 degrees. In photovoltaic systems, trackers help minimize the angle of incidence the angle that a ray of light makes with a line perpendicular to the surface between the incoming light and the panel, which increases the amount of energy the installation produces. Yet, it can be easily applied by connecting one to our microcontroller.
The configuration of the main tracking circuit went through several modifications from the original design. In this article we are concerned with the physical position of solar wingpanels as in pointing the payload towards the sun. Someone building a sun tracker can quickly find ephemeris calculations in many programming languages, but other issues. There are two main ways to mount a solar panel for tracking. The current state of this technology leaves more than a lit. Sun tracking solar panel project using microcontroller. Single axis solar tracking system with only resistors, capacitors, inductors, diodes, leds, ldrs, op. Stepper motor electromechanical device which converts electrical pulses into discrete mechanical movements. Solar tracking system is the most appropriate technology to enhance the efficiency of the solar cells by tracking the sun. How the dual axis solar tracker concept works the device is able to track the daytime motion of the sun precisely and shift in the vertical axis accordingly. Single axis solar tracking is great for projects such as solar optical concentrators, solar ovens, fresnel lenses, and solar electric photovoltaic panels. This is to certify that the project work entitled dual axis solar tracker. A solar tracker is a device that orients a payload toward the sun.
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