Ridder's SOLAR BVBA Solar Photovoltaic (PV) System
RIDDERS-SOLAR, always a step closer to perfection!
What is Monocrystalline Silicon?
 
  Monocrystalline Silicon is made from very pure Monocrystalline Silicon. Monocrystalline Silicon has a single and continuous crystal lattice structure with practically zero defects or impurities.  
One of the many reasons Monocrystalline Silicon is superior to other types of silicon cells are their high efficiencies - which are typically around 15% and higher for the TOP-Class.
Because the manufacturing process required to produce Monocrystalline Silicon is more involved and detailed than other types, this results in slightly higher costs for Monocrystalline Silicon than other silicon technologies. At this moment however the prices for GOOD Polycrystalline are the same as the Mono-Crystalline cells. (Is in fact also the situation for good THIN-FILM cells) Monocrystalline solar panels are one the most efficient commercially viable photovoltaic solar collectors, but not necessarily the first choice for every home!
 
Advantages and Disadvantages of Monocrystalline Solar Panels
 
Monocrystalline photovoltaic electric solar energy panels have been the go-to choice for many years, and are among the oldest, most efficient, and most dependable of technologies. If you’ve ever seen black or iridescent blue panels on a roof or powering a device, they were probably monocrystalline panels. Each module is made from a single silicon crystal, and is more efficient.
  These are generally considered the workhorses of the solar power market, and most people will choose monocrystalline panels due to their ready availability. These panels are easily identifiable, made up of uniformly stacked rounded cells. Because they’re made from just one crystal, not multiple crystals fused together, the process of making them is one of the most complex and costly ones around.  
  If space is a concern (which it often is with solar panels), monocrystalline will be the best type to use. More wattage per square foot can be delivered with these panels. The lifespan of a GOOD monocrystalline cell is a minimum of twenty-five years and can be more than fifty, making them a worthwhile investment for long term use. These panels are extremely fragile, however. That means a rigid mounting is a must.  
  For those putting together a long term solar setup who want to know they have access to the best and most reliable panels on the market, monocrystalline types are probably the best bet. Their longevity, performance, and efficiency mean that they’re a good buy over a longer period of time.  
  When you want to be sure you’re producing the highest wattage per square foot, these are the modules to rely on.  
  It should be remembered that standard ratings are not always indicative of the conditions in which you will be using your panels. These panels assume relatively cool climates, and are rated on a standard of twenty-five degrees Celsius. Panels operating at a higher temperature – fifty degrees Celsius or more – will be a lot less efficient.  
   That may sound like a lot, but these are dark colored panels in direct sun. The likelihood of them rising to those temperatures is greater than you think. Expect the panels to lose somewhere between fourteen and twenty-three percent of their power converting capacity in these conditions. It should be noted that these standards apply to all solar panels – not just the polycrystalline type. Anyone working with a solar power system should take temperature into account when working out their costs and design.  
  Polycrystalline solar panels have pros and cons, but in the end, they can be the way to put together a solar power generation system, without having a long list of disadvantages. See if they’re what your alternative energy system needs. (See Poly – Crystalline PV systems).  
     
  Monocrystalline Ingots  
     
  Silicon Ingots are typically created using one of two different processes, the Czochralski process or by Directional Solidification.
Czochralski process is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gold), salts, and synthetic gemstones. The process is named after Polish scientist Jan Czochralski, who discovered the method in 1916 while investigating the crystallization rates of metals.
High-purity, solar grade silicon (only a few parts per million of impurities) is melted down in a crucible, which is usually made of quartz. Dopant impurity atoms such as boron or phosphorus can be added to the molten intrinsic silicon in precise amounts in order to dope the silicon, thus changing it into n-type or p-type extrinsic silicon. This influences the electrical conductivity of the silicon. A seed crystal, mounted on a rod, is dipped into the molten silicon. The seed crystal's rod is pulled upwards and rotated at the same time.
  By precisely controlling the temperature gradients, rate of pulling and speed of rotation, it is possible to extract a large, single-crystal, cylindrical ingot from the melt. Occurrence of unwanted instabilities in the melt can be avoided by investigating and visualizing the temperature and velocity fields during the crystal growth process. This process is normally performed in an inert atmosphere, such as argon, and in an inert chamber, such as quartz.  
Directional solidification
A wafer is a thin slice of semiconductor material, such as a silicon crystal, used in the fabrication of integrated circuit and other micro devices. The wafer serves as the substrate for microelectronic devices built in and over the wafer and undergoes many micro fabrication process steps such as doping or ion implantation, etching, deposition of various materials, and photolithographic patterning. Several types of solar cells are made from such wafers.
A solar wafer is a circular solar cell made from the entire wafer
Wafers are formed of highly pure, nearly defect-free single crystalline material. One process for forming crystalline wafers is known as Czochralski growth invented by the Polish chemist Jan Czochralski. In this process, a cylindrical ingot of high purity crystalline silicon is formed by pulling a seed crystal from a 'melt'. The ingot is then sliced with an inner diameter diamond coated blade and polished to form wafers.
What RIDDERS – SOLAR was doing to bring MONO-Crystalline cells to a higher level?
  • A special kind of glass that is covering the cells = more light is going trough this glass and the result is a higher efficiency. Glass is made that the specific wavelength of light as we have in Belgium will make that the energy yield becomes higher. Lots of time people are not thinking quite a lot about the glass that is used. But only this will make a huge difference in efficiency when you compare the different kinds of glass. Problem is that you can not see this with your eyes!
  • Using only the best Silicon with a tight tolerance to scratches and other imperfections and with highest level of purity.
  • Connection from the individual cells to each other by using the most modern techniques.
  • Special rigid frame to avoid cracks in the crystals during transport, handling and installation.
  • Special cooling system to eliminate most heat during hot days.
  • Most up to date assembling from the panels and this by using the best products for intermediate layers and back-foils.
  • Exceptional watertight construction with drain system for condensation.
  • 12 years 90% efficiency and 25 years 80% efficiency
  • Tests give our products a lifetime up to 50 years
All those things together make that we can offer you a superb Mono-Crystalline PV panel that will serve you years on end and will give you the highest output. For the moment we can offer you the following panels (this can always change due to technical advantages) From 5 watt up to 280 watt per PV panel. As those values can change as said here above, it is the best to ask info about the evolution we make to offer you the best. The market is making such an evolution that it is nearly impossible to keep a website up to date. So, ask the info you need.
 
MONO SOLAR PANEL SPECS
 
Parameter Type Maxpower(W) Dimension(MM) Cell Type Weight(kg) Imp(A) Vmp(V) Isc(A) Voc(V)
RS250M-48 250 1600*1050*40 125*125/8*12 19,50 4,92 50,78 5,26 59,90
RS 245M-48 245 1600*1050*40 125*125/8*12 19,50 4,84 50,54 5,18 59,76
RS 240M-48 240 1600*1050*40 125*125/8*12 19,50 4,77 50,30 5,10 59,61
RS 235M-48 235 1600*1050*40 125*125/8*12 19,50 4,72 49,72 5,05 59,04
RS 230M-48 230 1600*1050*40 125*125/8*12 19,50 4,67 49,15 5,00 58,94
RS 225M-48 225 1600*1050*40 125*125/8*12 19,50 4,61 48,76 4,93 58,84
RS 220M-48 220 1600*1050*40 125*125/8*12 19,50 4,60 47,80 4,92 58,65
RS 215M-48 215 1600*1050*40 125*125/8*12 19,50 v4,55 47,23 4,87 58,51
FG210M-48 210 1600*1050*40 125*125/8*12 19,50 4,50 46,65 4,81 58,41
RS205M-48 205 1600*1050*40 125*125/8*12 19,50 4,49 46,27 4,74 58,36
RS200M-48 200 1600*1050*40 125*125/8*12 19,50 4,43 45,63 4,68 57,60
RS195M-40 195 1340*1050*40 125*125/8*10 16,30 4,70 41,44 5,03 49,20
RS190M-40 190 1340*1050*40 125*125/8*10 16,30 4,67 40,64 5,00 49,04
RS185M-40 185 1340*1050*40 125*125/8*10 16,30 4,64 39,84 4,96 48,90
RS180M-36 180 1580*808*35 125*125/6*12 15,00 4,77 37,72 5,10 44,71
RS175M-36 175 1580*808*35 125*125/6*12 15,00 4,69 37,29 5,02 44,28
RS170M-36 170 1580*808*35 125*125/6*12 15,00 4,64 36,57 4,97 44,13
RS165M-36 165 1580*808*35 125*125/6*12 15,00 4,60 35,85 4,92 43,99
RS160M-36 160 1580*808*35 125*125/6*12 15,00 4,53 35,28 4,85 43,84
RS120M-36 120 1100*808*35 125*82/6*12 10,40 3,18 37,72 3,40 44,71
RS115M-36 115 1100*808*35 125*82/6*12 10,40 3,11 36,86 3,33 44,20
RS110M-36 110 1100*808*35 125*82/6*12 10,40 3,06 35,85 3,28 43,99
RS105M-36 105 1100*808*35 125*82/6*12 10,40 2,92 35,85 3,13 43,99
RS100M-36 100 1100*808*35 125*82/6*12 10,40 2,93 34,05 3,14 43,70
RS90M-36 90 966*808*35 125*75/6*12 10,40 2,70 33,33 2,88 43,63
RS85M-36 85 1224*546*35 125*62.5/4*18 7,80 2,32 36,57 2,48 44,13
RS80M-36 80 1224*546*35 125*62.5/4*18 7,80 2,26 35,28 2,42 43,84
RS75M-36 75 1224*546*35 125*62.5/4*18 7,80 2,16 34,70 2,31 43,77
RS70M-36 70 1224*546*35 125*62.5/4*18 7,80 2,09 33,33 2,24 43,63
RS65M-36 65 1080*546*35 125*55/4*18 7,80 1,95 33,33 2,08 43,63
RS60M-18 60 800*546*35 125*82/4*9 5,20 3,18 18,86 3,40 22,35
RS55M-18 55 800*546*35 125*82/4*9 5,20 3,11 17,64 3,33 21,92
RS50M-18 50 800*546*35 125*82/4*9 5,20 2,88 17,35 3,08 21,88
RS45M-18 45 800*546*35 125*82/4*9 5,20 2,70 16,66 2,89 21,81
RS40M-18 40 668*546*35 125*62.5/4*9 4,30 2,30 17,35 2,46 21,88
RS35M-18 35 600*546*35 125*59/4*9 4,30 2,10 16,66 2,24 21,81
RS30M-18 30 580*420*28 125*41/3*12 3,40 1,59 18,86 1,70 22,35
RS25M-18 25 580*420*28 125*41/3*12 3,40 1,44 17,35 1,54 21,88
RS20M-18 20 640*300*28 62.5*62.5/4*9 2,60 1,13 17,64 1,21 21,92
RS10M-18 10 360*300*28 125*15.6/2*18 1,50 0,53 18,86 0,56 22,35
RS5M-18 5 400*175*18 62.5*17.8/2*18 0,80 0,29 17,02 0,31 21,85
  A TYPICAL CURVE FOR MONO TYPE SOLAR SYSTEMS  
   
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