The first vertically integrated Solar Module Producer in Southeast - - PowerPoint PPT Presentation

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The first vertically integrated Solar Module Producer in Southeast - - PowerPoint PPT Presentation

May 27, 2023 450 likes •807 views

The first vertically integrated Solar Module Producer in Southeast Europe Open to the future of Energy Solar Cells Hellas PV Module Presentation Introduction 15/10/2010 2 Solar Cells Hellas PV Module Presentation Introduction 15/10/2010 3

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SLIDE 1 Open to the future of Energy The first vertically integrated Solar Module Producer in Southeast Europe
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SLIDE 2 15/10/2010 Solar Cells Hellas PV Module Presentation 2 Introduction
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SLIDE 3 Introduction 15/10/2010 Solar Cells Hellas PV Module Presentation 3
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SLIDE 4 15/10/2010 Solar Cells Hellas PV Module Presentation 4 Introduction
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SLIDE 5 15/10/2010 Solar Cells Hellas PV Module Presentation 5 Introduction
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SLIDE 6 SCH: Who we are SCH Group Multicrystaline Solar Production Facilities, Industrial Zone of Patras Ingots Wafers Cells Modules Multicrystalline silicon solar wafers cells modules First Vertically integrated production in SE Europe Total Production Capacity: 80 MWp/year Total investment: 120 M€ Total building space: 14.000 m² Foundation year: 2006 Si PV Power Plants Electricity 80 MW/yr 15/10/2010 6 Solar Cells Hellas PV Module Presentation Turn-key development by GT Solar, world recognised turn-key solution provider www.schellas.gr
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SLIDE 7 Wafer Production Capacity: 80MW/yr Silicon Ingot crystal growing Slice silicon ingots into bricks Slice silicon bricks into wafers We acquire Innovative Manufacturing Process from the first step Ingots Wafers Cells Modules Si SCH: What we do – Si Wafer Production Main Silicon Wafer Characteristics Crystal 0.5-2.0 Ωcm Multicrystalline Silicon Specific resistivity Minority carrier lifetime ≥1.8 μs Conduction type P (Boron doped) Shape of wafer Full Square (Bevel edge corners) Dimensions 156.0 mm ±0.5 mm Average thickness 180/ 200 μm ± 20 μm Advanced Production Processing Technology 15/10/2010 7 Solar Cells Hellas PV Module Presentation
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SLIDE 8 SCH: What we do – Si Wafer Production DSS Furnaces Wire Saw Squarer Feedstock Recycling Cleaning System Kiln
  • Strategic co operations with PV leader equipment suppliers
Ingots Wafers Cells Modules Si Advanced Production Processing Technology 15/10/2010 8 Solar Cells Hellas PV Module Presentation Feedstock Wet blasting Cleaning System Grinding, Polishing and Chamfering System
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SLIDE 9 15/10/2010 Solar Cells Hellas PV Module Presentation 9 SCH: What we do – Si Wafer Production Ingots Wafers Cells Modules Si DSS Furnaces Advanced Production Processing Technology DSS Multicrystalline Ingot Growth Heat (≈4hrs), Melt (≈10hrs) Growth (≈18hrs) As growth proceeds, insulation rises and more molten Si solidifies Corners freeze last. Annealing steps follow growth and before cooling Multicrystalline Ingot
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SLIDE 10 15/10/2010 Solar Cells Hellas PV Module Presentation 10 SCH: What we do – Si Wafer Production Ingots Wafers Cells Modules Si Advanced Production Processing Technology Multicrystalline Ingot Brick Cutting Multicrystalline Ingot Squarer Multicrystalline Bricks and recyclable material SiC acts as dispersed cutting media PEG used as coolant and lubricant agent (apart from being the dispersion medium)
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SLIDE 11 15/10/2010 Solar Cells Hellas PV Module Presentation 11 SCH: What we do – Si Wafer Production Ingots Wafers Cells Modules Si Advanced Production Processing Technology Multicrystalline Brick Quality Control, Cropping, Polishing, Chamfering Reinforces corners and edges reducing risk of corner and bevel defects Removes surface fractures and damage from squarer
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SLIDE 12 15/10/2010 Solar Cells Hellas PV Module Presentation 12 SCH: What we do – Si Wafer Production Ingots Wafers Cells Modules Si Advanced Production Processing Technology Wire Sawing, wafer degluing, wafer cleaning Multicrystalline Si wafer
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SLIDE 13 Cell Production Capacity: 80MW/yr Advanced Production Processing Technology Main Silicon Solar Cells Characteristics Dimensions 156mm x 156mm ±0.5mm Thickness 180μm ±20μm, 200μm ±20μm Front (-) 2 busbars (silver aluminium) 2mm wide each Silicon Nitride (SiNx) AR coating Rear (+) 2 busbars (silver aluminium) 5mm wide each Multicrystalline Si Multicrystalline Solar Cells – SCH6P Ingots Wafers Cells Modules Si Maximum Power (Pmax): 4.05 W SCH: What we do – Si Cell Production Solar cells SCH6P with average efficiency of 16.0% We produce high-quality solar cells from high-quality wafers 15/10/2010 13 Solar Cells Hellas PV Module Presentation
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SLIDE 14 SCH: What we do – Si Cell Production Advanced Production Processing Technology Equipment MetallizationLine Anti – Reflection Coating Diffusion Furnace Laser Isolation Iso-Texturing Diffusion Furnace Metallization Line Firing Furnace PSG Laser Isolation Ingots Wafers Cells Modules Si Iso -Texturing Phospate Glass Removal Firing Furnace Anti Reflective Coating 15/10/2010 14 Solar Cells Hellas PV Module Presentation
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SLIDE 15 SCH: What we do – Si Cell Production Advanced Production Processing Technology Iso-Texturing Ingots Wafers Cells Modules Si 15/10/2010 15 Solar Cells Hellas PV Module Presentation Iso-Texturing As-cut post-iso
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SLIDE 16 SCH: What we do – Si Cell Production Advanced Production Processing Technology Ingots Wafers Cells Modules Si 15/10/2010 16 Solar Cells Hellas PV Module Presentation N-type dopant diffusion and PSG removal Diffusion Furnace PSG PSG layer being removed is only 0.0000003mm in thickness
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SLIDE 17 SCH: What we do – Si Cell Production Advanced Production Processing Technology Ingots Wafers Cells Modules Si 15/10/2010 17 Solar Cells Hellas PV Module Presentation Anti- Reflective Coating by PECVD Anti Reflective Coating Plasma Enhanced Chemical Vapor Deposition Post-AR Post-iso

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SLIDE 18 SCH: What we do – Si Cell Production Advanced Production Processing Technology Ingots Wafers Cells Modules Si 15/10/2010 18 Solar Cells Hellas PV Module Presentation Metallisation through screen printing Back (+) Back Front (-) Metallization Line wafer Squeegee paste Screen Mesh
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SLIDE 19 SCH: What we do – Si Cell Production Advanced Production Processing Technology Ingots Wafers Cells Modules Si 15/10/2010 19 Solar Cells Hellas PV Module Presentation Firing, laser edge isolation and cell testing Firing Furnace Laser Isolation Grooving the front surface at the edge of
  • wafer. Close
  • loop. Only
after laser cut does wafer become cell Cell tester assembly Every single cell is tested and cells then sorted by voltage according to the produced power, sorting cells into bins of the same efficiency class
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SLIDE 20 Quality Control Core Advantages - Results Production Process Standards Advanced Production Processing Technology Strict Quality Control & Testing standards under an ISO 9001: 2008 certified system Print Pressure Control metallisation method Diode characteristics test via reserve current & shunt resistance sorting Narrow current class & optical sorting Acidic isotexture & Advanced AR coating deposition process employed Performance Homogeneity in each delivered lot Module hot spot
  • ccurrence elimination
Stress Reduction Highest Quality & Reliable performance     High color uniformity Excellent aesthetic result Optimum Light Absorption Advanced & High process engineering level Innovation Ingots Wafers Cells Modules Si SCH: What we do – Si Cell Production   Micro – crack risk minimization High quality multicrystalline cells 15/10/2010 20 Solar Cells Hellas PV Module Presentation
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SLIDE 21 Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Advanced Production Processing Technology Glass Washer Inline sheeter Tabber stringer Module Capacity: 35 MW/yr Production Technology Empowered by GT Solar
  • Si: Cheap and abundant compared to other technologies
Multicrystalline silicon:
  • Most reliable proven technology for photovoltaic applications
  • Cover the largest contribution in PV electricity production
world-wide
  • Most mature tested semiconductor technology for the
production of electricity from solar irradiation
  • Most suitable for wide range PV installations e.g. large size
installations & small size domestic installations We operate new, state-of-the-art production equipment 15/10/2010 21 Solar Cells Hellas PV Module Presentation Laminator Multicrystalline PV Modules – SCH660P
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SLIDE 22 Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production SCH660P& - Multicrystalline PV Modules 15/10/2010 22 Solar Cells Hellas PV Module Presentation
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SLIDE 23 Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Durability: extremely long life span & significant economic advantages through maintenance and operating saving Color Stability: extremely long life span & significant economic advantages through maintenance and operating savings   Aesthetics: large increasing number of gloss and color alternatives & minimization or elimination of color variations Advanced Product Components for SCH660P PV Modules
  • Corner cutting: 45 degrees
  • Long side: double wall
  • Short side: double wall
  • Screw holes punched: on long side
  • Punched holes: 4 mounting, 2 grounding,
8 drainage holes
  • Surface treatment: Silver Anodized,
Sandblasting (Mat) Characteristics Core Advantages Frame   Stability: in all weather conditions Handy to install Better and safer handling   Better drainage of water 15/10/2010 23 Solar Cells Hellas PV Module Presentation
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SLIDE 24 Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Advanced Product Components for SCH660P PV Modules Solar Glass
  • Texture: Prismatic/Matt
  • Iron content: ≤100 ppm
  • Dimensional tolerance: ±2.0mm
  • SPF certification: Class U1
  • Thermal process: tempered
  • Thickness: 4 ± 0,2mm
  • Dimensions: 1642x981mm
Characteristics Core Advantages Diffuse reflection of the pattern to decrease the light reflection High solar transmittance at any angle incidence Very low solar absorbance by the glass itself Non-toxic chemical composition - Conformity to environmental requirement    Anti-reflective (AR) coating glass with specially- designed coating reflects a very low % of light & ensures higher energy yield High strength glass and mechanical durability Maximum transparency and optical clarity
  • Light transmission factor>91%
15/10/2010 24 Solar Cells Hellas PV Module Presentation
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SLIDE 25 Guarantee of total insulation at high voltages and perfect adhesion to EVA Excellent resistance to the atmospheric agents, strong barriers to oxygen and humidity Designed to overcome the shelf life issue giving much more flexibility in production Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Advanced Product Components for SCH660P PV Modules Backsheet & EVA
  • Full PET layer structure
reassuring no delamination
  • Thickness: 295 μm
  • Width: 988 mm
Core Advantages Backsheet Characteristics EVACharacteristics
  • 3000h of continuous damp hit test
  • Gel content > 80%
  • Optical light transmission > 91%
Fast cure process ensuring process stability 15/10/2010 25 Solar Cells Hellas PV Module Presentation
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SLIDE 26 Total protection against contact, protection against penetration of dust Total protection against ingress of water in case of continuous immersion Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Advanced Product Components for SCH660P PV Modules Junction Box & Cabling
  • Bus wire terminals: 4
  • By-pass diodes: 3
  • Bus wire terminals: solderless clips
  • Protection class: II
  • Protection degree: IP 65
  • Contact resistance: ≤ 5.0 mΩ
Junction Box Characteristics Reliable and safe throughout the lifetime
  • f the PV Module
Core Advantages Fast, easy to automate and secure connecting processes inside the junction boxes Permanently reliable system operation Minimized contact resistance Core Advantages  Easy Install Characteristics Cabling IP68 LC4 Connectors 15/10/2010 26 Solar Cells Hellas PV Module Presentation
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SLIDE 27 SCH660P& - Multicrystalline PV Modules: Designed to satisfy all PV applications Ingots Wafers Cells Modules Si SCH: What we do – Si Module Production Large-scale PV Systems Light up your future with Solar Cells Hellas! PV Module Applications Grid-connected large-scale PV systems Grid-connected roof systems / BIPV in cooperation with third party vendors Roof systems Stand alone systems Commercial, industrial, domestic applications 15/10/2010 27 Solar Cells Hellas PV Module Presentation
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SLIDE 28 Mechanical Characteristics Dimensions 1.649 x 989 x 45 mm (SLT/660P framed) 1.642 x 981 mm (SLT/L660P frameless) Cells 60 poly-crystalline cells 156 x 156 mm (square) Frame Anodized Al profiles Junction Box 3 bypass diodes, IP65, TÜV&UL approved, Protection class II Cabling IP68 LC4 connectors, 1000mm, 4mm2 cables, TÜV&UL approved Weight (framed) ~21 kg Weight (frameless) ~18 kg Solar Glass Tempered, Class U1, SPF certified, matt, prismatic Modules Characteristics 15/10/2010 28 Solar Cells Hellas PV Module Presentation
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SLIDE 29 Electrical Characteristics* Nominal Power, Pmax 200W 205W 210W 215W 220W 225W 230W Power Tolerance
  • 2/+3%
Open Circuit Voltage, Voc 35.6 V 36.1 V 36.1 V 36.1 V 36.4 V 36.4 V 36.4 V Short Circuit Current, Isc 7.88 A 8.00 A 8.27 A 8.40 A 8.40 A 8.55 A 8.79 A Max Power Voltage, Vmpp 27.3 V 27.4 V 27.4 V 28.0 V 28.0 V 28.0 V 28.2 V Max Power Current, Impp 7.35 A 7.49 A 7.71 A 7.80 A 7.90 A 8.03 A 8.22 A Maximum System Voltage >1000 VDC Temperature Coefficients Pmpp: -0.43 [%/K] Voc: -0.35 [%/K] Isc: +0.07 [%/K] NOCT** 46.1°C Certifications IEC EN61215:2005,ed.2* and 61730:2007 part I & II (pending) Application class A (Safety class II) (pending) Periodic factory inspection (Audit on site) (pending) *Mechanical load test up to 5400Pa Power Guarantee 12 years (-10%), 25 years (-20%) Product Guarantee 5 years * measured at STC (Standard Test Conditions: 1000W/m², 25ºC, 1.5AM) ** Nominal Operating Cell Temperature: 800W/m², 20ºC, 1.5AM Modules Characteristics 15/10/2010 29 Solar Cells Hellas PV Module Presentation
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SLIDE 30
  • Potentialities:
– PV industry has to reduce operational and material costs:
  • Conductive pastes in cell metallization: alternative materials (Cu)
  • r reduce consumption by advanced processes.
  • Reduce kerf losses in wire sawing: minimize wire diameter.
15/10/2010 Solar Cells Hellas PV Module Presentation 30 PV potentialities
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SLIDE 31
  • Potentialities:
– PV industry has to reduce operational and material costs:
  • Increase €/W: Improve electrical efficiency of cells/modules by
integration of advanced processes and techniques. 15/10/2010 Solar Cells Hellas PV Module Presentation 31 PV potentialities e.g: selective emitter
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SLIDE 32
  • Potentialities:
– PV industry has to reduce operational and material costs:
  • Increase €/W: Improve electrical efficiency of cells/modules by
integration of advanced processes and techniques. 15/10/2010 Solar Cells Hellas PV Module Presentation 32 PV potentialities e.g: install micro-inverter per module instead of central units Microinverter per module
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SLIDE 33
  • Future markets:
– BIPV: Building-integrated photovoltaics
  • Module design based on semi-transparent materials to visible light.
  • Save amount spent on building materials.
15/10/2010 Solar Cells Hellas PV Module Presentation 33 PV future markets
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SLIDE 34 15/10/2010 Solar Cells Hellas PV Module Presentation 34 PV future markets Thank you for attention