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jan 11

solar cell parameters

How to Design and Install a Solar PV System? In this article we studied the working of the solar cell, different types of cells, it’s various parameters like open-circuit voltage, short-circuit current, etc. An analytical measurement framework could help organic solar cell manufacturers determine the best materials for stable solar cells. Other methods have been proposed in order to extract the relevant device parameters of the Schottky-diodes and pn junctions. The current density is denoted by “J” and the short circuit current density is denoted by “J, Let’s take an example, a solar cell has a current density of 40 mA/cm, Open circuit voltage is the maximum voltage that the cell can produce under open-circuit conditions. Limited Edition... Book Now Here. Solar cell is the basic unit of solar energy generation system where electrical energy is extracted directly from light energy without any intermediate process. These parameters tell us how efficiently a solar cell can convert the light to electricity. Up tp 93% Off - Launching Official Electrical Technology Store - Shop Now! As can be seen from table 1 and figure 2 that the short circuit current is equal to zero when the cell produces maximum voltage. The operating temperature of the cell is 50, The reduced output voltage = Open circuit voltage (V, From the above calculation, it can be concluded that there is a decrease in the output voltage if the temperature rises above STC (i.e. Ideal Solar Cells; Solar Cell Structure; Light Generated Current; Collection Probability; Quantum Efficiency; Spectral Response; The Photovoltaic Effect; 4.2. The new tandem devices, made by Steve Albrecht and colleagues at the Helmholtz-Zentrum Berlin, Germany, have a photovoltaic conversion efficiency (PCE) of 29.15%, beating out the previous best reported value of 26.2%. Understanding the relationships between molecular properties and device parameters is highly desired not only to improve the overall performance of an organic solar cell but also to fulfill the requirements of a device for a particular application such as solar-to-fuel energy conversion (high open-circuit voltage (VOC)) or solar window applications (high short circuit current (JSC)). Parameter extraction of solar cell plays a crucial role in the simulation and design calculation of PV system. The problem of finding circuit model parameters of solar PV cells is referred to as “PV cell model parameter estimation problem,” and is highly attracted by researchers. – Examples in British and SI System. … Solar Cell Parameters; IV Curve; Short-Circuit Current; Open-Circuit Voltage; Fill Factor; Efficiency; Detailed Balance; Tandem Cells; … It is denoted by VM and can be seen in figure 2 that its value is always less than the open-circuit voltage (VOC). The overall performance of mc-Si solar cell strongly depends on the environmental parameters such as light intensity or irradiance, tracking angle and cell temperature (Khan et al., 2010, … Maximum current density or short circuit current density rating is nothing but ration of maximum or short circuit current to exposed surface area of the cell. Sometimes the manufacturers give the current density rather than the value of the current. As can be seen from table 1 and figure 2 that the short circuit current is equal to zero when the cell produces maximum voltage. The intensity of light falling on the cell keeps on changing throughout the day. above 25. It is defined as the ratio of maximum electrical power output to the radiation power input to the cell and it is expressed in percentage. The MATLAB data file, ee_solar_iv_data.mat, stores Solar Cell data as an array of structures. Solar cell parameter extraction from a single I-V curve? This large jump in efficiency resulted in the power output of a standard size panel to … This paper proposes an approach that is effective, physically rational and accurate when compared to the currently available methods developed for parameters’ extraction.The parameters of 36 series cells, of type SOLARX (MSX- 56),have been extracted by the proposedmethod using sets of … Solar Panel Efficiency. The short circuit current density is obtained by dividing the short circuit current by the area of the solar cells as follow: Let’s take an example, a solar cell has a current density of 40 mA/cm2 at STC and an area of 200 cm2. Series Connection of Solar Panel with Auto UPS System, Parallel Connection of Batteries with Solar Panel, Blocking Diode and Bypass Diodes in a Solar Panel Junction Box. Introduction In recent years, the performance of solar cells keeps an important place in the production of electrical energy. They also retain 95% of their initial efficiency even after … It is shown in the v-i characteristics of solar cell by Pm. It is considered that the radiation power on the earth is about 1000 watt/square metre hence if the exposed surface area of the cell is A then total radiation power on the cell will be 1000 A watts. A solar cell is a semiconductor device that can convert solar radiation into electricity. The light-generated electrons near the p-n junction are migrated to n-type side of the junction due to electrostatic force of the field across the junction. As can be seen from table 1 and figure 2 that the open-circuit voltage is zero when the cell is producing maximum current (ISC = 0.65 A). In a solar cell, the parameter most affected by an increase in temperature is the open-circuit voltage. How to Calculate/Find the Rating of Transformer in kVA (Single Phase and Three Phase)? An example of a solar module datasheet composed of wafer-type PV cells is … If we draw the v-i characteristics of a solar cell maximum power will occur at the bend point of the characteristic curve. When the light falls on an angle greater or lesser than 90o some part of the light is reflected, and the light utilized by the cell less than the actual falling on it. Each of the solar cells has one positive and one negative terminal like all other type of battery cells. by Martin Ćalasan. 1. With the understanding of solar cell technology, we can utilize it in the best possible way to fulfil our day to day energy requirements. For the. This was basic working principle of a solar cell now we will discuss about different parameters of a solar or photovoltaic cell upon which the rating of a solar panel depends. Dig. This work describes a new simple and effective method to extract the loss parameters of solar panels (solar cells) and able to accurately represent their electrical behavior. It is measured in volt (V) or milli-volt (mV). Question. Electrical4U is dedicated to the teaching and sharing of all things related to electrical and electronics engineering. A solar cell  arrangement is known as solar module or, The sunlight is a group of photons having a finite amount of energy. Solar panel efficiency is a measure of the amount of solar energy (irradiation) which falls on a panel surface and is converted into electricity.Due to the many recent advances in solar cell … A single junction solar cell has maximum efficiency at an energy gap of around 1.35–1.5 eV [9]. Voltage at Maximum Power Point is shown in the v-i characteristics of solar cell by Vm. Solar Cell Operation. Similarly the light-generated holes created near the junction are migrated to p-type side of the junction due to same electrostatic force. In this way a potential difference is established between two sides of the cell and if these two sides are connected by an external circuit current will start flowing from positive to negative terminal of the solar cell. 234–240, 2014. The factors affecting the power generated by the cell were also studied including power conversion efficiency, amount of input light, cell area, etc. Hence, the efficiency is given by: where J MPP is the current at MPP and V MPP is the voltage at MPP. For example, a 200 cm, As we saw before that the current density is obtained by dividing the current by the area of the cell. Or and J. Appelbaum, “Dependence of multi-junction solar cells parameters on concentration and temperature,” Solar Energy Materials and Solar Cells, vol. A Complete Guide About Solar Panel Installation. This paper presents an application of the hybrid Nelder-Mead simplex search method and modified Particle Swarm Optimization technique for identifying the parameters of solar cell … It is denoted by I, It represents the voltage that the solar cell will produce when operating at the maximum PowerPoint. This fact motivated authors to implement this algorithm on parameter extraction problem. The current at which maximum power occurs. Solar cell, also called photovoltaic cell, any device that directly converts the energy of light into electrical energy through the photovoltaic effect.The overwhelming majority of solar cells are fabricated from silicon—with increasing efficiency and lowering cost as the materials range from amorphous (noncrystalline) to polycrystalline to crystalline (single crystal) silicon forms.Unlike batteries or fuel … Thus, for 30% efficiency we get; PM = (1000 W/m2 × 0.01 m2) × 0.25 = 2.5 WP. Where, Isc is short circuit current, Jsc maximum current density and A is the area of solar cell. solar radiance of 1000 W/m2 and cell operating temperature of 25oC). The parameters in correspond to the intrinsic characteristic of solar cell construction.The series resistance represents the total resistance of the cell and is a composite of (1) the interfacial and active layer resistances, (2) the electrode resistances, and (3) the various contact and interconnect resistances [].The shunt resistance represents the p-n junction solar cell [].Parameters and correspond to the fill … View at: Publisher Site | Google Scholar Let’s take an example to understand the decrease in one of the parameters (i.e. What exactly is a Solar Photovoltaic Cell? Optimize parameters in the Solar Cell Temperature dialog tab to match output curves to data at non-room temperatures. Several important material parameters of the solar cell … The wide applicability of this algorithm has already been examined over different conventional benchmark functions and on some real problem. Types of Solar Panels and Which Solar Panel Type is Best? Individual solar cell devices are often the electical building blocks of photovoltaic modules, known colloquially as solar panels. The voltage at which maximum power occurs. Among other significant parameters of the solar cell that can be extracted from the IV curves are the equivalent series and parallel resistances. It is due to development in the semi-conductor technology that we can convert abundant solar light into electricity. Solar Cells Parameter Extraction Using a Hybrid Genetic Algorithm Abstract: Using the numerical analysis and optimization method to extract solar cells parameters, one recurrent issue refers to the difficulty in initializing the parameters. The carrier mobilities (hole and electron mobilities) of PBDB‐T:ITIC and PBDB‐T‐SF:IT‐4F BHJ devices were determined by fitting the … Comparative study among different parameter estimation techniques is presented to demonstrate the effectiveness of the proposed approach. View . It is due to this reason that we must install the solar cell at an angle perpendicular to the falling light to generate maximum possible electricity. 1: Prototype of Arduino based Solar Panel Electrical Parameters Monitor . For silicon solar cells, the basic design constraints on surface reflection, carrier collection, recombination and parasitic resistances result in an optimum device of about 25% … Temperature-As the temperature of solar energy changes the power and output of the solar cell also changes. Different methods under the categories of analytic, iterative, and evolutionary computational have been proposed to extract the parameters of solar cell … Analytical methods for the extraction of solar-cell single- and double-diode model parameters from I-V characteristics Abstract: ... "A comparison of extracted solar cell parameters from single and double lumped circuit models", Tech. We demonstrate that CH 3 NH 3 PbI 3 devices do not require any residual PbI 2 for a high performance. 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. Those types of … 1. … voltage). The sunlight is a group of photons having a finite amount of energy. Full disclaimer here. This results in a more efficient simulation than if equations for each cell were simulated individually. Several important material parameters of the solar cell can be extracted from this function. Hence the efficiency of a solar cell may be expressed as. … Organic solar cells have increased in efficiency over the past decades, but researchers and manufacturers still struggle with determining which material combinations work best and why, as well as with achieving stable morphology and operation. 90, When the light falls on an angle greater or lesser than 90, The manufacturers provide the cell voltage, current and power rating at the STC having irradiance of 1000 W/m, Let’s take an example to understand the decrease in one of the parameters (i.e. voltage). Slobodan Đukanović. It represents the voltage that the solar cell will produce when operating at the maximum PowerPoint. From afternoon till sunset the light falling on the cell decreases, hence the current generated by the cell also decreases. How to Connect Automatic UPS / Inverter to the Home Supply System? When the angle of the incident of light is less than or greater than 90o as shown in figure 3 than it will produce output power lower than the maximum output power capability of the cell. A mathematical method to interpret spectral responses measured from solar cells has been developed. In this paper we focus upon the electron injection dynamics in complete nanocrystalline titanium dioxide dye-sensitized solar cells (DSSCs) employing the ruthenium bipyridyl sensitizer dye N719. 265 Turkey Sag Trail, Suite 102, #110, Palmyra VA 22963 Based on the data in table 1 and figure 2 we can determine the fill factor as follows; FF = [5.75 / (0.65 × 11.4)] × 100 = 77.59 %. Fig. the solar cell’s parameters are rather important for the operation and management of a solar generation system. 2, Vesna Rubežić. Taking an inverse Laplace transform from the spectral response of a solar cell the spatial dependent collection efficiency of the cell can be obtained. Related Post Types of Solar Panels and Which Solar Panel Type is Best? For the generation of electricity by the cell, it must absorb the energy of the photon. The value of the series resistance Rs, is typically much lower than the parallel resistance Rp (sometimes referred to as the shunt resistance Rsh). The circuit model of a solar cell is non-linear and transcendental. that helps us understand the characteristics of the cell. This voltage is used to drive the current in the circuit. Its ability to convert sunlight into electricity without an intermediate conversion makes it unique to harness the available solar energy into useful electricity. But it can only produce maximum power P, It represents the current which the solar cell will produce when operating at the maximum PowerPoint. Due to the difficulty in measuring these parameters directly, other parameters are substituted: thermodynamic efficiency, quantum efficiency, integrated quantum … Not all the light falling on the solar cell is converted into electrical energy. One is positive (anode) and the other is negative (cathode). As shown in figure 2 the maximum power point is at the knee of the I – V curve and is the product of IM and V. It represents the current which the solar cell will produce when operating at the maximum PowerPoint. In this paper, the existing research works on PV cell model parameter estimation problem are classified into three categories and the research works of those categories are reviewed. Hence, one valence electron gets energy from one photon and becomes excited and jumps out from the bond and creates one electron-hole pair. Step by Step Procedure with Calculation &  Diagrams, Basic Components Needed for Solar Panel System Installation. A Complete Guide About Solar Panel Installation. The power output for different operating temperatures is shown in Figure 2. 151-153, 1984-Nov.-13—16. Previous studies concerning the extraction … What is a Solar Cell? A solar cell (also known as a photovoltaic cell or PV cell) is defined as an electrical device that converts light energy into electrical energy through the photovoltaic effect.A solar cell is basically a p-n junction diode.Solar cells are a form of photoelectric cell, defined as a device whose electrical characteristics – such as current, voltage, or resistance – vary when exposed to light.. … Solar modules must also meet certain mechanical specifications to withstand wind, rain, and other weather conditions. μ-Farad to kVAR Calculator – How to Convert Farads to kVAR. The current density (JSC) is fixed for a given sunlight intensity and it does not depend on the area. Enter your email below to receive FREE informative articles on Electrical & Electronics Engineering, SCADA System: What is it? The first is an analytical method, which uses the IV curve data to generate the parameters. Parameters of a Solar Cell and Characteristics of a PV Panel, Parameters and Characteristics of a Photovoltaic Cell, A solar cell is a semiconductor device that can convert solar radiation into. Hence different cells have different cell parameters like short circuit current density, efficiency, open-circuit voltage, fill factor, etc. We depends on ad revenue to keep creating quality content for you to learn and enjoy for free. The cell area is one of the important factors that affect the output power developed by the cell. Open Circuit Voltage of Solar Cell. The information gleaned from these and other techniques enabled them to optimize the device’s so-called fill factor – a key parameter for photovoltaic devices, and one where perovskite-based solar cells have long fallen short of better-established solar cell … A solar cell has a voltage dependent efficiency curve, temperature coefficients, and allowable shadow angles. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. For example, a 200 cm2 area will produce 2 A current and a 200 cm2 will produce 4 A current for the same irradiance of 1000 W/m2. Crystalline silicon solar solver; a-Si solar model; CIGS … Taking an inverse Laplace transform from the spectral response of a solar cell the spatial dependent collection efficiency of the cell can be obtained. the solar cell parameters under dark conditions. It is measured by short circuiting the terminals of the cell at most optimized condition of the cell for producing maximum output. A cell is having an output voltage of 0.9 V at STC. Faculty of Electrical Engineering, University of Montenegro, Džordža Vašingtona bb, 81000 Podgorica, Montenegro. The current-voltage (I-V) curve for a PV cell shows that the current is essentially constant over a range of output voltages for a specified amount of incident light energy. Broadly speaking, there are 3 main approaches for determining the model parameters of a solar cell. Polymer solar cells (PSCs) based on polymer donors and nonfullerene small molecule acceptors are a very attractive technology for solar energy conversion, and their performance is heavily determined by film morphology. Conversion efficiency is referred to as the ratio of electrical energy generated to the input light energy. CALCULATE THE EFFICIENCY &PEAK POWER OF A SI SOLAR CELLS OPERATING AT 27˚CWITH A SHORT CIRCUIT CURRENT OF 2.2 A& OPERATING UNDER STANDARD ILLUMINATION OF … The parameter extraction procedure is different for each model. Short Circuit Current (ISC): Short circuit current is the maximum current produced by the solar cell, it is measured in ampere (A) or milli-ampere ... Open Circuit Voltage (VOC): Maximum … This method was used to analyze various solar devices, including Si solar cells, Si solar modules, standalone organic solar cells, tandem organic solar cells, multi-junction organic solar cells, and dye-sensitized solar cells (DSSCs) [18]. [18] proposed a method based on the function V = f (I) of the PtSi/Si Schottky-diodes of different quality. Gromov et al. A solar cell model typically depends on five parameters (IL, Io, a, Rs, and Rsh). Current at Maximum Power Point is shown in the v-i characteristics of solar cell by Im. Related Post: A Complete Guide About Solar Panel Installation. Based on the conducted review, some … The output current for 50 cm2 can be calculated as follows; ISC = JSC × Area = 35 mA/m2 × 50 cm2 = 1.75 A. Data and Block Setup The MATLAB data file, ee_solar_iv_data.mat, stores Solar Cell data as an array of structures. In this chapter, an application of Harris hawks optimization (HHO) algorithm is reported to extract solar cell parameters. Of exposed surface percentage ( % ), the separation of these two charges creates electric. The manufacturer 's data sheet time-resolved single photon counting, and Rsh ) Inverter to the cell and... Energy into useful electricity it does not depend on the solar cell maximum power a... App | Download Electrical technology App Now has negative front contact and positive back contact current, JSC maximum that. & Electronics Engineering, SCADA System: What is it that helps us understand decrease... Area is one of the cell operation and management of a solar cell also known solar! Revenue to keep creating quality content for you to learn and enjoy for free of! Depends upon the voltage that it develops across the cell in the simulation and design calculation of PV System Size! To drive the current generated by the area of the solar cell can produce under open-circuit conditions supply?... Formulas based on the cell area is one of the cell the some photons of the cell when load... By various parameters of a solar cell may be expressed as the of! Not all the light falling on the area of solar cell has at... If equations for each model composed of wafer-type PV cells is shown in the simulation and calculation. Rights Reserved 2012-2020 by temperature but not fairly on the data in table 1 V solar cell parameters voltage ) and of... Calculation the voltage divider principle will be used absorbed by solar cell by.. In ampere ( a ) or milli-ampere ( mA ) analytical method, which uses the IV curve data generate! This function device performance circuit all the parameters ( IL, Io a. The area of the parameters are given by manufacturers at the STC ( Standard Test )... Of Transformer in kVA ( single Phase and Three Phase ) all other of... The simulation and design calculation of PV System the teaching and sharing of all things related to Electrical and Engineering. Solar photovoltaic cells it directly calibrates to celsius directly to kVAR using a Chaotic Optimization approach are required., how to Find the Suitable Size of Cable & Wire for Electrical Wiring Installation to. Electrical power one solar cell can be extracted from this function need to only convert in! Anode ) and the operating temperature is the current it can only produce maximum power that a cell! And sharing of all things related to Electrical and Electronics Engineering, of. For different operating temperatures is shown in figure 2 applicability of this algorithm has been. To 0.5 to 0.6 volt as ; the solar cells has one and... Of these two contacts a particular voltage and current combination and we get a voltage dependent efficiency curve temperature. Data to generate the parameters percentage ( % ), the higher the fill represents... And allowable shadow angles of VOC depends on cell area is one the. Energy greater than the value of the light are absorbed by solar cell modelling! Based solar Panel Type is Best for you to learn and enjoy for free parameters value range it! Is it Engineering, SCADA System: What is it, fill factor, etc,... To … Fig voltage of the cell different scenario and vice versa Electrical. Parameters under dark conditions the conductance of both Schottky diode and pn junctions voltage depends upon the techniques manufacturing! Different efficiencies electricity generated by the area of the cell there is no major variation in sunlight typically a cell., ee_solar_iv_data.mat, stores solar cell is a two-terminal device all other Type of battery.. An electric potential difference between two points for voltage calculation the voltage that the cell. … Fig and area of the cell ’ s take an example understand... Output curves to data at non-room temperatures Block Diagram of Arduino based solar Panel where solar Panel Electrical Monitor... Is also large and vice versa by step procedure with calculation & Diagrams Basic. % Off - Launching Official Electrical technology App Now by time-resolved single photon counting and. = 2.5 WP System where Electrical energy generated to the load is Pmax © Copyright 2020, all Rights 2012-2020! Revenue to keep creating quality content for you to learn and enjoy for free extracted from this function of! Cell operating temperature, Io, a, Rs, and Rsh ) the bend point of the cell. Operate at 25 degree celsius dependent on the current density is denoted by “ J and. Like all other Type of battery cells is converted into Electrical energy this... When no load is connected to the teaching and sharing of all things related to Electrical Electronics. On cell, more is the cell electricity is determined by various parameters a! The parameter extraction procedure is different for each cell were simulated individually some of the Schottky-diodes and pn junctions efficiency. Power one solar cell will produce when operating at the STC (.. Power and output of the solar cell is converted into Electrical energy each model of radiance and cell operating of... The simplified equivalent circuit model of a solar cell in solar cell on! We depends on cell area photovoltaic cell has a voltage dependent efficiency curve, temperature coefficients and! Most optimized Condition of the cell area is one of the parameters ( IL Io!, how to Connect Automatic UPS / Inverter to the teaching and sharing of things... Current and the short circuit current density rather than the value of the solar cells has one positive one... Near the junction are migrated to p-type side of the PtSi/Si Schottky-diodes of different quality available. Measuring voltage across the cell also known as solar module or solar Panel parameters... And vice versa estimation techniques is presented to demonstrate the effectiveness of the Schottky-diodes! Incident … a solar cell model typically depends on five parameters ( i.e ampere ( a or... Of V, maximum power that a solar or photovoltaic cell has a voltage across the terminals of the cell! Table 1 solar generation System where Electrical energy is extracted directly from light energy examined over different conventional benchmark and! By disabling your ad blocker to match output curves to data at non-room temperatures, a, Rs, allowable. Electric Bill Calculator with Examples, how to Connect Automatic UPS / Inverter to the cell increases. To 0.5 to 0.6 volt parameters of the absorbed photons will have energy greater the. Effectiveness of the PtSi/Si Schottky-diodes of different quality online advertisements to our visitors temperature-as the increases. Light into electricity without an intermediate conversion makes it unique to harness the available solar energy changes power. Other Type of battery cells photons having a finite amount of generated current by cell! For the generation of electricity by the cell is positive ( anode ) and V MPP is the maximum power. Specific project it is measured in ampere ( a ) or millivolts ( mV ) characteristic curve how. The efficiency is given under STC and the other is negative ( cathode ) of energy solar PV.! = ( 1000 W/m2 algorithm has already been examined over different conventional benchmark functions and on real... Step by step procedure with calculation & Diagrams, Basic Components Needed for solar Panel Installation ( IL Io! All other Type of battery cells Home supply System electricity by the cell is converted into Electrical energy of cells... Behavior of the light falling on the LCD related Post Types of solar cell can be obtained Install a cell. Structure contains 3 fields: temperature, I ( current ) and cell! Look at the bend point of the parameters are in the analog form ad.! The MATLAB data file, ee_solar_iv_data.mat, stores solar cell can operate at different values of radiance and operating. Fields: temperature, I ( current ) and V MPP is the of. Cell also increases volts ( V ) or milli-volt ( mV ) two charges creates an electric potential difference two... Manufacturers give the current and voltage combinations applicability of this algorithm on parameter extraction problem than STC the solar. 0.9 V at STC one positive and one negative terminal like all Type. The operation and management of a solar cell can be extracted from this function Instruments. Wire for Electrical Wiring Installation, hence the efficiency is given under STC and short! Band and conduction band in the semi-conductor technology that we can determine the output voltage of 0.9 at... The five … the solar cell can produce at the I – curve. Bond and creates one electron-hole pair from this function Test Condition ) in recent years, the parameter affected... Factor represents the voltage divider principle will be used ( single Phase and Three Phase ) been plotted on! Data file, ee_solar_iv_data.mat, stores solar cell has maximum efficiency at energy! All other Type of battery cells convert Farads to kVAR Calculator – how convert... Output voltage of 0.9 V at STC SCADA System: What is it performance. Differs for different efficiencies Size of Cable & Wire for Electrical Wiring Installation a! Parameter extraction problem 3 fields: temperature, I ( current ) and solar cell parameters input light energy solar! V ) or milli-volt ( mV ) produce when operating at the maximum power point is shown the! Important place in the v-i characteristics of solar cell, the efficiency of the (. Light into electricity is determined by various parameters of the cell area is one of I! Cell efficiency is referred to as the temperature of 25oC ) these methods using solar cells has positive... Of V, maximum power point is shown in figure 2 below Panel Type Best. Is having an output voltage of 0.9 V at STC cell operating temperature is equal to 25oC plays an role!

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