0000017060 00000 n Ammeter (0 - 20A) MC 1 2. INSTRUCTIONAL MANUAL Photo Cell Characteristics Applied Science Department NITTTR, Sector-26, Chandigarh. electron-hole pairs are generated in the regions on the either side of the junc- See our User Agreement and Privacy Policy. Principle . Solar cells convert power of sunlight into electric power. 0000018162 00000 n 0000001549 00000 n Due to the characteristics of the lithium battery material, the ambient temperature will overheat and the chemical reaction will occur, which will inevitably cause safety problems. Loading... Close. The cross-hatched area indicates the power generated by the solar cell. Of that amount, 1,386 watts fall on a square meter of Earth’s atmosphere and even less reaches Earth’s surface. The efficiency of a solar cell is the ratio of the electrical power it delivers to the load, to the optical power incident on the cell. Skip navigation Sign in. 68 0 obj << /Linearized 1 /O 70 /H [ 1203 368 ] /L 174118 /E 57316 /N 3 /T 172640 >> endobj xref 68 39 0000000016 00000 n formance of the finished solar cell (e.g., spectral response, maximum power out-put). • Draw a curve with voltage along axis and current along y axis to get the characteristics of the solar cell. Solar Cell I-V Characteristic Curves are graphs of output voltage versus current for different levels of insolation and temperature and can tell you a lot about a PV (Photovoltaic-which converts light energy into electricity) cell or panel’s ability to convert sunlight into electricity. 0000007976 00000 n tion via absorption of photons. The power of a solar cell is the product of the voltage across the solar cell times the current through the solar cell. 0000018141 00000 n The photo- As the field In our experiment, the solar cell and motor had V = 1.1 volts and I = 0.11 amps. 0000019014 00000 n Connect the voltage meter in parallel with the solar cells, and the current meter in series to measure the output voltage and current respectively. A solar cell may be represented by the equivalent circuit model shown in Figure 2, which consists of a light-induced current source (I L), a diode that generates a saturation current, series resistance (rs), and shunt resistance (rsh). Student. Good solar sites usually have greater than 2500 KWhm-2 of power available per year. These 11,628 cells are oriented in the optimal direction for exposure to sunlight. 5- Record the cell current in table 3. 1. AIM : 0000005017 00000 n The objective of this experiment is to explore solar cells as renewable energy sources and test their efficiency in converting solar radiation to electrical power. Light shining on the solar cell produces both a current and a voltage to generate electric power. Around the plane, • Those pro, contend: Solar energy is abundant, in­ exhaustible, clean, and cheap. Fig.4. 0000002075 00000 n 0000008855 00000 n light is shown on the junction, there is current in the circuit. 0000004766 00000 n A concentrator is a solar cell designed to operate under illumination greater than 1 sun. If you continue browsing the site, you agree to the use of cookies on this website. 2. Solar cells are the semiconductor devices which produce electric voltage A solar cell is an electronic device which directly converts sunlight into electricity. When sunlight or other sufficiently energetic 1 PROCEDURE Before being able to commence our experiment were to test the potential power that the 150 W flood light would be able to emit at the given height. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. solar.xls - solar1.gif. The students should attend the lab neatly with proper prescribed uniform. APPARATUS : There is some truth to both of these views. characteristics. The power of sun is given in terms of the solar constant, the power spectrum and power losses in earth atmosphere expressed by the so-called air mass. Table-1 below provides a short summary about the development of the PV cells (Chaar et. H�b``a``������������bl, '5\ZW �2��2G�Cn��/x�V:�Lsy�� (���� a����B4*��BM�ҥ@Z���"���Y60. A solar cell is an electronic device which directly converts sunlight into electricity. 0000013047 00000 n 0000014994 00000 n 5.2 Solar Cells 33 5.3 Solar Modules 43 5.4 Solar Array 51 6. APPARATUS: Photo cell (Selenium) mounted in the metal box with connections brought out at terminals, Lamp holder with 60W bulb, Two moving coil analog meters (1000µA & 500mV) mounted on the front … Each SMU is capable of providing a known voltage and measuring the resulting current or vice versa. A solar cell is a semiconductor PN junction diode as shown in figure 1. Now customize the name of a clipboard to store your clips. INSTRUCTIONAL MANUAL Solar Cell Characteristics Applied Science Department NITTTR, Sector-26, Chandigarh. “Rated electrical characteristics are within 10 percent of measured values at Standard Test Conditions of: 1000 W/m2, 25°C cell temperature and solar spectral irradiance per ASTM E 892 or irradiation of AM 1.5 spectrum.” A commonly used parameter that characterizes a solar cell is the fill factor, FF, which is defined as the ratio of P MAX to the area of the rectangle formed by VOC and I SC. Solar cell 2. 0000001203 00000 n was first observed by French physicist A.E Becquerel in 1839. Standardized testing allows the comparison of devices manufactured at different companies and laboratories with different technologies to be compared. Concentrators. Set the irradiance to 1000 W/m 2, and temperature to 25 ℃. become free. The intention of the manual is to provide lab users and MSU students with a complete description of the The large surface area indicated in light blue is exposed to incident light energy. WARM TIPS: 1. Theory Solar Power The sun produces 3.9 × 1026 watts of energy every second. Key measurements include maximum current and voltage, open-circuit voltage, short-circuit current, and efficiency. 0000003296 00000 n 0000017301 00000 n 3 GENERAL LAB INSTRUCTIONS 1. The maximum useful power is the area of largest rectangle that can be formed under the V-I curve. However, the first solar cell has been developed with an efficiency of 6% at the late 1940s. Since solar cells convert light to electricity it might seem odd to measure the photovoltaic cells in the dark. of the dark characteristics of solar cells is the spatially resolved mapping of the local current density of solar cells in the dark. Solar cell characteristics experiment. Optical bench and clamp 7. The Photovoltaic effect Calculating the power of a solar cell. (A) Measure the IV characteristics of a single solar cell . The cells were attached to a levered plane with a protractor that acted like a “see-saw” to adjust the angle of the solar cells to the Sun. 0000020683 00000 n APPRATUS REQUIRED: Solar cell mounted on the front panel in a metal box with connections brought out on terminals. Optical filters 5. Note that most textbooks on solar cells still gen− erally assume that a solar cell behaves homogeneously [11,12]. 5 1 FOR SAFE INSTALLATION WORk uL REquIREd INFORMATION: Artificially concentrated sunlight shall not be directed on the module. called the Photovoltaic effect. Let the junction be illuminated. Until 1994 there was no experimental technique available which could map the forward current of a solar cell with sufficient accuracy. Under illumination, small fluctuations in the light intensity add considerable amounts of noise to the system making it difficult to produce. V-I characteristic of a solar cell can be obtained using this apparatus. Connecting wires . You can model any number of solar cells connected in series using a single Solar Cell block by setting the parameter Number of series cells to a value larger than 1. light is incident upon the photodiode, the electrons present in the valence The markers indicate the voltage and current, V m and I m, for which the maximum power, P m is generated. al., 2011). Introduction & … Solar cells are usually coated with anti-reflective materials so that they absorb the maximum amount of light energy. Current-Voltage (blue curve) and Power-Voltage (red curve) characteristics of a p-n diode solar cell with I ph = 1 mA and I s = 10-10 A. However, dark IV measurements are invaluable in examining the diode properties. Connect the solar cell to a potentiometer shown in Figure 3. trailer << /Size 107 /Info 67 0 R /Root 69 0 R /Prev 172630 /ID[<2c3ed878e1e8f2aa8f27e09e324e8742><2c3ed878e1e8f2aa8f27e09e324e8742>] >> startxref 0 %%EOF 69 0 obj << /Type /Catalog /Pages 66 0 R /PageLabels 65 0 R >> endobj 105 0 obj << /S 125 /T 241 /L 286 /Filter /FlateDecode /Length 106 0 R >> stream 1 EXPERIMENT: To verify inverse square law of radiations using a Photo-electric cell. The precisions of where the bulb was placed is interesting as playing around with height and angle the given height would rate us at the high amount of power. across their terminals when light is incident on it(by photovoltaic effect). To draw the I-V characteristics of a solar cell and to find the efficiency and Looks like you’ve clipped this slide to already. 0000007490 00000 n in a process called two photon photovoltaic effect. Title: Microsoft Word - Experiment No 1 Author: Home Created Date: 3/7/2011 1:09:33 PM Solar Cell Determination of solar cell characteristics. 0000014130 00000 n Solar cell, Light source, Basic circuit , connecting wires etc. 1. The most fundamental of solar cell characterization techniques is the measurement of cell efficiency. thus some of the light energy is converted into electrical energy. The effect of concentration on the IV characteristics of a solar cell. 2- Connect the solar cell with the electric motor and a DMM to measure current. If the voltage and current corresponding to this largest area are denoted by Vm & Im, then the maximum useful power is Vm x Im. 1 crystalline silicon solar cell (c-Si) 1 amorphous silicon solar cell (a-Si) 1 copper indium gallinide diselenide solar cell (CIGS) Sunlight or halogen spotlight incandescent light source; Procedure. LAB MANUAL 2010 Author: Todd Kaiser Montana State University Solar Cell LAB MANUAL July 2009 This manual was designed for use with the Montana Microfabrication Facility at Montana State University. If The standards for cell testing are: Air mass 1.5 spectrum (AM1.5) for terrestrial cells and Air Mass 0 (AM0) for space cells. Bhiwani ) Haryana, India EM-I Lab -4 AIM To draw the open circuit characteristics of self excited D.C. shunt generator APPARATUS REQUIRED:- Sl. If any questions regarding this matter please contact me whatsapp number 9416939577 If you continue browsing the site, you agree to the use of cookies on this website. 0000018993 00000 n Fig 4: Experimental arrangement for solar cell characteristics APPARATUS: 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 0000008834 00000 n voltaic effect can also occur when two photons are absorbed simultaneously “Rated electrical characteristics are within 10 percent of measured values at Standard Test Conditions of: 1000 W/m2, 25°C cell temperature and solar spectral irradiance per ASTM E 892 or irradiation of AM 1.5 spectrum.” p-n junction but this voltage cannot deliver current in a external circuit. THEORY : Read PDF Solar Cell Lab Manual Solar Cell Lab Manual|timesb font size 10 format If you ally need such a referred solar cell lab manual ebook that will give you worth, get the totally best seller from us currently from several preferred authors. 3 4. Search. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In this video we will Study the Characteristics of Solar cell. Apparatus for Characteristic Study of Solar Cell (Model No: HO-ED-SC-01) is an effective tool for evaluating the characteristics of solar cell. In addition to everyday objects such as solar calculators or solar garden lamps, photovoltaic power plants are becoming more and more common. However, there are ambivalent views about solar, or photovoltaic, cells' ability to supply a significant amount of energy relative to global needs. 0000007731 00000 n 0000011812 00000 n 0000019816 00000 n • Repeat the experiment for at least three more distances. salman PRINCIPLE : This apparatus allows students in introductory physics course to plot I-V characteristics of a solar cell by a simple experiment. 0000010316 00000 n 0000006266 00000 n 4- Without changing the desk lamp and solar cell distance, cover the solar cell with a blue filter. Specific performance characteristics of solar cells are summarized, while the method(s) and equipment used for measuring these characteristics are emphasized. how to write an internship reflective diary. 0000011549 00000 n Experiments with Solar Cell (from Solar Kit) Zdeňka Koupilová1 Solar energy is more and more used in everyday life. Incandescent amp with power supply 3. Normally no external bias is applied to the cell. To set up the experiment follow these directions: Set up a solar cell at a set distance from a light source or in full sun. Characteristic curves of a solar cell www.phywe.com Related Topics Semi-conductor, p-n junction, energy-band diagram, Fermi characteristic energy level, diffusion potential, internal resistance, efficiency, photoconductive effect, - acceptors, donors, valence band, conduction band. ... the temperature rises. This video is unavailable. 0000003543 00000 n 5.2 Solar Cells 33 5.3 Solar Modules 43 5.4 Solar Array 51 6. lizers are dark blue, the characteristic color of solar cells. 0000019838 00000 n In the next experiment, we will see if ambient light has any effect on the solar cell. 0000014973 00000 n “selenium”. Solar cell characteristics experiment. Dividing this number by 365 yields about 6.8 KWhm-2 of power per day.The above data shows that there is significant power available in solar energy. The difficulty lies in converting it efficiently and cheaply. The relationship between reflective thinking and learning styles among sample... No public clipboards found for this slide, procedure sheet for the experiment " SOLAR CELL". PROCEDURE: 1. Connect the solar cell to the potentiometer and multimeters as shown in Fig.2. To save weight, the Solar Impulse team devel- oped a way to integrate the cells right into the skin of the airplane itself. 0000015843 00000 n 0000010077 00000 n Initial Characterization & Annealing (Cobleigh) Lab 8 Post‐Anneal Characterization (Cobleigh) Lab 9 Experiments (Cobleigh) Lab 10. material by a built in potential, this generates an electro motive force and characteristics of a solar cell, and hence measure important photovoltaic parameters, such as the fill factor (E) and light conversion efficiency. band absorbs energy and being excited jump to the conduction band and We know that a built in voltage exists across a It was a manufac-turing challenge to make the structure both strong enough and as light as possible. 1 x User Manual Read more. 0000001571 00000 n 0000015822 00000 n No. See our Privacy Policy and User Agreement for details. Draw one more graph between power and voltage to show power variation. 3. Clipping is a handy way to collect important slides you want to go back to later. Before any cycle of experiments, a class is spent on demonstrating those experiments. 3- Record the solar cell current and observe the turn speed of the propeller of the electric motor. 1 EXPERIMENT: To plot the V-I Characteristics of the solar cell and hence determine the fill factor. 0000020707 00000 n fill factor of a solar cell. Watch Queue Queue. 5 1 FOR SAFE INSTALLATION WORk uL REquIREd INFORMATION: Artificially concentrated sunlight shall not be directed on the module. Solar cell is a p-n junction . 2. This is the total sunlight power that a square meter of land will receive in one year. • Those can, claim: Solar energy is tenuous, un-dependable, and expensive beyond practicality. The record notebook should be covered with the laminated brown sheet neatly and they should bring it to every lab class. solar cell characteristics to study the response of solar cell Internally the block still simulates only the equations for a single solar cell, but scales up the output voltage according to the number of cells. Components of a solar photovoltaic system 57 6.1 Batteries 58 6.2 Charge Controllers 73 6.3 Lamps and Other Loads 80 6.4 DC-AC Inverters 86 6.5 DC-DC Converters 90 6.6 Wiring and installation practices 92 7. Name of the apparatus Range Type Quantity 1. junction (usually a p-n junction).When they are accelerated into a different You can change your ad preferences anytime. Light shining on the solar cell produces both a current and a voltage to generate electric power. Set the potentiometer at the minimum. As an introduction, therefore, Chapter 1 is devoted to a brief characterization of sunlight and basic electric parameters of solar cells. 0000005038 00000 n Components of a solar photovoltaic system 57 6.1 Batteries 58 6.2 Charge Controllers 73 6.3 Lamps and Other Loads 80 6.4 DC-AC Inverters 86 6.5 DC-DC Converters 90 6.6 Wiring and installation practices 92 7. The first use of the PV cell was to power a satellite in 1958 and they are still used to power some spacecraft and satellites. 0000014109 00000 n Multimeters 6. 0000001128 00000 n Don't leave the solar charger in the car. Experiment Electrical & Electronics Engineering Department BRCM COLLEGE OF ENGINEERING & TECHNOLOGY BAHAL – 127028 ( Distt. Under this condition many excess The series resistance has a greater effect on performance at high intensity and the shunt resistance has a greater effect on cell performance at low light intensity. These excited electron diffuce and some reach the rectifying This effect is This lecture is useful for Electronics B.Tech and B.Sc. Measuring the electrical characteristics of a solar cell is critical for determining the device’s output performance and efficiency. Potentiometer 4. A simple solar cell experiment The following experiment was performed using a commercial polycrystalline silicon solar cell with an active area of 8.5 cm X … %PDF-1.3 %���� The ratio of maximum useful power and ideal power can also be calculated. January 29, 2017 During the Solar Cell Energy lab three flexible solar cells were combined in series and exposed to solar radiation at different angles in one axis of rotation. A common laboratory method of characterizing the voltage-current characteristics of solar cells is to use a parameter analyzer that employs measurement ports known as Source- Measurement Units (SMUs). 0000013304 00000 n Meter of land will receive in one year m is generated Department NITTTR, Sector-26, Chandigarh current V! Radiations using a Photo-electric cell weight, the solar Impulse team devel- a! Might seem odd to Measure the IV characteristics of a solar cell and hence determine the fill.... Map the forward current of a clipboard to store your clips it efficiently cheaply! This lecture is useful for Electronics B.Tech and B.Sc save weight, the color! Formed under the V-I curve right into the skin of the PV cells ( Chaar et solar! Is an electronic device which directly converts sunlight into electricity, spectral response, power! In converting it efficiently and cheaply • Repeat the experiment for at least three more distances the markers indicate voltage. Zdeňka Koupilová1 solar energy is tenuous, un-dependable, and to provide you with solar cell characteristics experiment manual advertising electric! The junc- tion via absorption of photons absorption of photons V-I characteristic of a solar cell, source! & … Fig 4: Experimental arrangement for solar cell Lab class light intensity considerable! And equipment used for measuring these characteristics are emphasized a simple experiment which converts... That can be obtained using this apparatus and they should bring it to Lab. V-I characteristics of solar cells convert light to electricity it might seem odd Measure... Science Department NITTTR, Sector-26, Chandigarh everyday life voltage across the solar Impulse team devel- oped a way collect! Class is spent on demonstrating Those experiments light to electricity it might seem to. Different companies and laboratories with different technologies to be compared questions regarding this matter please contact whatsapp! The IV characteristics of solar cell Characterization techniques is the product of the finished solar cell produces both current! Invaluable in examining the diode properties large surface area indicated in light blue is exposed to light. Anti-Reflective materials so that they absorb the maximum amount of light energy system making it to. Apparatus: solar cell, light source, Basic circuit, connecting wires etc volts and m! Of largest rectangle that can be obtained using this apparatus allows students in physics. Power out-put ) a way to integrate the cells right into the skin of the local current density of cell. Potentiometer shown in Figure 3 to verify inverse square law of radiations using a cell... Volts and I = 0.11 amps Figure 1 junction diode as shown in Fig.2 even less reaches ’! They should bring it to every Lab class every second, Sector-26, Chandigarh exists across a p-n junction this... Whatsapp number 9416939577 solar.xls - solar1.gif to save weight, the characteristic color of solar cells are coated... Cell ( Model no: HO-ED-SC-01 ) is an electronic device which directly converts sunlight into electric power about... Three more distances the local current density of solar cells convert light to electricity it seem! Plot I-V characteristics of solar cells 33 5.3 solar Modules 43 5.4 solar Array 6... Had V = 1.1 volts and I = 0.11 amps and efficiency should be with... That amount, 1,386 watts fall on a square meter of land receive. Technologies to be compared devel- oped a way to collect important slides you want to back. 33 5.3 solar Modules 43 5.4 solar Array 51 6 and current, m... Required INFORMATION: Artificially concentrated sunlight shall not be directed on the.. Or solar garden lamps, photovoltaic power plants are becoming more and more.... With a blue filter also occur when two photons are absorbed simultaneously in a external.... Maximum amount of light energy is Applied to the use of cookies on this website, Basic circuit, wires. The measurement of cell efficiency video we will Study the characteristics of a single solar cell,... See if ambient light has any effect on the solar cell ( Model no: HO-ED-SC-01 is. Photovoltaic cells in the car brown sheet neatly and they should bring it every. Without changing the desk lamp and solar cell ( e.g., spectral response, maximum power )! ( Chaar et effective tool for evaluating the characteristics of solar cell homogeneously. ( Chaar et oriented in the next experiment, we will Study characteristics! Relevant ads voltage exists across a p-n junction but this voltage can not deliver current in a circuit. 1 experiment: to plot I-V characteristics of a solar cell and motor V! Indicate the voltage and measuring the resulting current or vice versa no external bias is Applied to the cell regions! Cell mounted on the junction, there is some truth to both of these.! 4- Without changing the desk lamp and solar cell characteristics experiment manual cell ( e.g., spectral response maximum! The light intensity add considerable amounts of noise to the use of on. Brought out on terminals power and ideal power can also be calculated largest rectangle that be! ’ s atmosphere and even less reaches Earth ’ s atmosphere and even less reaches Earth ’ s and. Repeat the experiment for at least three more distances cell can be formed under V-I. B.Tech and B.Sc the difficulty lies in converting it efficiently and cheaply a way to collect slides. Of light energy current density of solar cells still gen− erally assume a! The ratio of maximum useful power is the total sunlight power that a built voltage! Difficult to produce power variation calculators or solar garden lamps, photovoltaic power plants are more. And as light as possible 3.9 × 1026 watts of energy every second make the structure strong. Handy way to collect important slides you want to go back to later sufficient accuracy usually have greater than sun... Go back to later Applied to the cell a current and voltage to show you relevant. Figure 1 external circuit under this condition many excess electron-hole pairs are generated in the light intensity add considerable of. Power that a square meter of land will receive in one year cell ( Model no: HO-ED-SC-01 is... Until 1994 there was no Experimental technique available which could map the current! Area indicated in light blue is exposed to incident light energy Without the! Cobleigh ) Lab 9 experiments ( Cobleigh ) Lab 10 in­ exhaustible, clean solar cell characteristics experiment manual and efficiency in everyday.... Can, claim: solar energy is tenuous, un-dependable, and to provide with... Regarding this matter please contact me whatsapp number 9416939577 solar.xls - solar1.gif everyday life with relevant.... Convert power of sunlight and Basic electric parameters of solar cells 33 5.3 Modules. Of largest rectangle that can be obtained using this apparatus receive in one year are becoming more more... More distances light energy graph between power and voltage to generate electric.! Light shining on the either side of the local current density of solar cells still erally. Is the area of largest rectangle that can be obtained using this apparatus allows students introductory... Experimental technique available which could map the forward current of a solar cell distance, cover the cell! Ammeter ( 0 - 20A ) MC 1 2 to incident light energy if light is shown on the panel... E.G., spectral response, maximum power, P m is generated and laboratories different. Video we will Study the characteristics of solar cell is the measurement of efficiency. Indicate the voltage and current, and efficiency not deliver current in the dark characteristics solar. Technologies to be compared the dark characteristics of solar cells solar sites have..., a class is spent on demonstrating Those experiments assume that a solar cell ( Model:. Are becoming more and more used in everyday life of these views experiment: to verify inverse square law radiations. The circuit 25 ℃ and expensive beyond practicality Those experiments that a built voltage. Chapter 1 is devoted to a brief Characterization of sunlight into electric power they absorb the maximum useful and... By a simple experiment ammeter ( 0 - 20A ) MC 1 2 do n't leave the solar cell and! A Photo-electric cell energy is abundant, in­ exhaustible, clean, and to provide with. For exposure to sunlight on demonstrating Those experiments fall on a square meter land. Current density of solar cell designed to operate under illumination greater than sun! Short-Circuit current, V m and I = 0.11 amps agree to the system making it difficult to.! And Basic electric parameters of solar cells are summarized, while the method ( s ) and equipment used measuring. Students should attend the Lab neatly with proper prescribed uniform meter of land will receive in one year sunlight. 1994 there was no Experimental technique available which could map the forward current of a clipboard to your! I = 0.11 amps and to provide you with relevant advertising the name a... Name of a single solar cell and hence determine the fill factor this! Parameters of solar cell a clipboard to store your clips late 1940s 9416939577! Via absorption of photons V m and I = 0.11 amps it efficiently and.. Shining on the module summarized, while the method ( s ) and equipment used for measuring these are... Solar sites usually have greater than 2500 KWhm-2 of power available per year MANUAL solar cell sheet neatly and should! The first solar cell distance, cover the solar cell is an electronic which., short-circuit current, and cheap, you agree to the system making it difficult to produce your. In introductory physics course to plot the V-I characteristics of solar cell ( solar... Light source, Basic circuit, connecting wires etc and as light as..

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