Upload
lucia
View
33
Download
0
Embed Size (px)
DESCRIPTION
The first vertically integrated Solar Module Producer in Southeast Europe . Open to the future of Energy . Introduction. Introduction. Introduction. Introduction. SCH: Who we are. 80 MW/yr. www.schellas.gr. SCH Group Multicrystaline Solar Production Facilities, Industrial Zone of Patras. - PowerPoint PPT Presentation
Citation preview
Open to the future of Energy
The first vertically integrated Solar Module Producer in Southeast Europe
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
215/10/2010
Introduction
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
3
Introduction
15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
415/10/2010
Introduction
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
515/10/2010
Introduction
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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
Turn-key development by GT Solar, world recognised turn-key solution provider
www.schellas.gr
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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 ModulesSiSCH: 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
8
SCH: What we do – Si Wafer Production
DSS Furnaces Wire SawSquarer
Feedstock Recycling Cleaning System Kiln
Strategic co operations with PV leader equipment suppliers
Ingots Wafers Cells ModulesSi
Advanced Production Processing Technology
15/10/2010
Feedstock Wet blasting Cleaning System
Grinding, Polishing and Chamfering System
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
915/10/2010
SCH: What we do – Si Wafer Production Ingots Wafers Cells ModulesSi
DSS Furnaces
Advanced Production Processing Technology
DSS Multicrystalline Ingot GrowthHeat (≈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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
1015/10/2010
SCH: What we do – Si Wafer Production Ingots Wafers Cells ModulesSi
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)
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
1115/10/2010
SCH: What we do – Si Wafer Production Ingots Wafers Cells ModulesSi
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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
1215/10/2010
SCH: What we do – Si Wafer Production Ingots Wafers Cells ModulesSi
Advanced Production Processing Technology
Wire Sawing, wafer degluing, wafer cleaning
Multicrystalline Si wafer
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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 ModulesSi
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 wafers15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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 ModulesSi
Iso -TexturingPhospate Glass Removal
Firing Furnace
Anti Reflective Coating
15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
15
SCH: What we do – Si Cell Production
Advanced Production Processing Technology
Iso-Texturing
Ingots Wafers Cells ModulesSi
15/10/2010
Iso-Texturing
As-cut
post-iso
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
16
SCH: What we do – Si Cell Production
Advanced Production Processing Technology
Ingots Wafers Cells ModulesSi
15/10/2010
N-type dopant diffusion and PSG removal
Diffusion Furnace
PSGPSG layer being removed is only 0.0000003mm in thickness
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
17
SCH: What we do – Si Cell Production
Advanced Production Processing Technology
Ingots Wafers Cells ModulesSi
15/10/2010
Anti- Reflective Coating by PECVD
Anti Reflective Coating
Plasma
Enhanced
Chemical
Vapor
Deposition
Post-AR
Post-iso
01
1
d =4n 1 0 2n = n n
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
18
SCH: What we do – Si Cell Production
Advanced Production Processing Technology
Ingots Wafers Cells ModulesSi
15/10/2010
Metallisation through screen printing
Back (+)
Back
Front (-)
Metallization Line
wafer
Squeegeepaste
Screen Mesh
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
19
SCH: What we do – Si Cell Production
Advanced Production Processing Technology
Ingots Wafers Cells ModulesSi
15/10/2010
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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
20
Qua
lity
Con
trol
Core Advantages - ResultsProduction 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 occurrence elimination
Stress Reduction
Highest Quality & Reliable performance
High color uniformityExcellent aesthetic resultOptimum Light Absorption
Advanced & High process engineering level In
nova
tion
Ingots Wafers Cells ModulesSiSCH: What we do – Si Cell Production
Micro – crack risk minimization
High quality multicrystalline cells
15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
21
Ingots Wafers Cells ModulesSiSCH: 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
Laminator
Multicrystalline PV Modules – SCH660P
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
22
Ingots Wafers Cells ModulesSiSCH: What we do – Si Module Production
SCH660P& - Multicrystalline PV Modules
15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
23
Ingots Wafers Cells ModulesSiSCH: 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
24
Ingots Wafers Cells ModulesSiSCH: 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 AdvantagesDiffuse reflection of the pattern to decrease the light reflection
High solar transmittance at any angle incidenceVery low solar absorbance by the glass itselfNon-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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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 ModulesSiSCH: 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
26
Total protection against contact, protection against penetration of dust
Total protection against ingress of water in case of continuous immersion
Ingots Wafers Cells ModulesSiSCH: 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 of the PV Module
Core Advantages
Fast, easy to automate and secure connecting processes inside the junction boxes
Permanently reliable system operationMinimized contact resistance
Core Advantages
Easy Install
Characteristics Cabling
IP68 LC4 Connectors
15/10/2010
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
27
SCH660P& - Multicrystalline PV Modules:Designed to satisfy all PV applications
Ingots Wafers Cells ModulesSiSCH: 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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 profilesJunction 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
29
Electrical Characteristics*
Nominal Power, Pmax 200W 205W 210W 215W 220W 225W 230WPower 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 VShort Circuit Current, Isc 7.88 A 8.00 A 8.27 A 8.40 A 8.40 A 8.55 A 8.79 AMax Power Voltage, Vmpp 27.3 V 27.4 V 27.4 V 28.0 V 28.0 V 28.0 V 28.2 VMax Power Current, Impp 7.35 A 7.49 A 7.71 A 7.80 A 7.90 A 8.03 A 8.22 AMaximum 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
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
30
• Potentialities:– PV industry has to reduce operational and material costs:
• Conductive pastes in cell metallization: alternative materials (Cu) or reduce consumption by advanced processes.
• Reduce kerf losses in wire sawing: minimize wire diameter.
15/10/2010
PV potentialities
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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
PV potentialities
e.g: selective emitter
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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
PV potentialities
e.g: install micro-inverter per module instead of central units
Microinverter per module
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
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
PV future markets
Sola
r Cel
ls He
llas P
V M
odul
e Pr
esen
tatio
n
3415/10/2010
PV future markets
Thank you for attention