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Suntech Training Event Technical Forum Eric Koh

Suntech Training Event Technical Forum Eric Koh. September 19 th 2011. H4 and MC4 Current Sorting Near Coast Installation Competitor Analysis Step and Linear Warranty. 01. Helios 4 Vs MC-4. H4 Vs MC4 Connector. Quality right down to connector Helios 4 (H4) Connector from Amphenol and

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Suntech Training Event Technical Forum Eric Koh

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  1. Suntech Training EventTechnical ForumEric Koh September 19th 2011

  2. H4 and MC4 • Current Sorting • Near Coast Installation • Competitor Analysis • Step and Linear Warranty

  3. 01 • Helios 4 Vs MC-4

  4. H4 Vs MC4 Connector • Quality right down to connector • Helios 4 (H4) Connector from Amphenol and • MC-4 From Multi Contact • Advantage of H4 connector:

  5. H4 Vs MC4 Connector Using the right tools for H4 connector crimping: Crimping Tool Strip Tool Universal unlocking Tool Wrench Tool

  6. H4 Vs MC4 Connector

  7. H4 Vs MC4 Connector

  8. H4 Vs MC4 Connector

  9. H4 Vs MC4 Connector TÜV testing for H4 and MC4 compatibility. Use same connectors and correct H4 tool set. Suntech will continue to monitor the regulations with the changes to AS5033. Manually replacing a H4 connector with an MC4 connector will only void warranty with respect to connector issues

  10. 02 • Current Sorting

  11. Current Sorting by Amperage Binning • Modules connected in Strings • Serial Connection • Lowest module Current defines String Current • Module Current has Tolerances Pmod = Umod x Imod IString = min (Imod 1 .. Imod N) UString = sum(Umod 1 .. Umod N) The module with the lowest current determines the overall output level I + + + + + Mod 4 Mod 1 Mod 2 Mod 3 Mod 4 Mod 5 Mod 1 Mod 2 Mod 3 Mod 5 Mod 6 Mod 6 = V

  12. Amperage Binning

  13. Amperage Binning

  14. Amperage Binning • Explain this benefit to customers. • Each current class comes in the same pallet. • Use same current class for each string.

  15. 03 • Near Coast Installations

  16. Near Coast Installation

  17. Examples of near Coast Installations

  18. Near Coast Installation • Draft and official near coast installation manual. • Procedure: • Take care not to scratch the aluminium frames. • Where possible use aluminium clamps. Otherwise use an insulation gasket between the clamp and module. • Apply anticorrosion spray to holes, corners, joins and earthing lug. • Maintenance scheduleevery 2-3 years: • Clear salt. • Check corrosion status • Reapply coating if required.

  19. 04 • Competitor Analysis

  20. Understanding Product Advantages • Power (Wp) & Efficiency: “Higher efficiency & greater power output can reduce BOS costs” • Suntech’s higher power modules reduce mounting, components, and labor costs. • NOCT: “Better performance in the field” • Lower nominal operating cell temperatures lead to higher power output in varying temperatures • Irradiance of 800W/sqm, Ambient temperature of 20degC, Wind speed of 1m/s, Open back mounting. • Temperature coefficient (Pmax): “More power at higher temperatures” • Lower temperature coefficients lead to maximum power output at high temperatures. • PTC Ratio: “Higher power output in the field” • More power output in ‘real-world’ conditions, under PV USA test conditions. • solar irradiance 1,000 W/Sqm , 1.5 Air Mass, and 20 degrees C. ambient temperature at 10 meters above ground level and wind speed of 1 meter per second

  21. Understanding Product Advantages (cont’d) • Watts per kilogram: “More power per kilogram” • More watts per kilogram results in more power density – means more efficiently manufactured modules. • Wind & Snow loads: “More reliable, safer installation” • 3800 Pascal wind loads and 5400 Pascal snow loads lead to safer installation method. • Junction Box: “Safer, higher performance junction box” • IP 67 rated junction box, with thermal isolation between backsheet, improves module performance and reliability. • Connectors: “Safer, higher performance connectors” • High efficiency, IP 68 rated connectors. • Power Tolerance: “Suntech delivers more power” • Compared to competitors who offer negative tolerance, Suntech offers 0 to +5%, delivering at a minimum, the power that customers expect.

  22. Understanding Product Advantages (cont’d) • Output Warranty: “Suntech warrants x% more power” • 95% at 5 years, 90% at 12 years, 85% at 18 years, and 80% at 25 years. • Power Output Warranty based on nameplate (Pnom), as opposed to nameplate minus tolerance (Pmin). • Transferable Warranty: “Suntech offers a transferable warranty” • Suntech’s warranty is transferable when product remains installed in original location

  23. Competitor Analysis

  24. Competitor Analysis

  25. Competitor Analysis

  26. 05 • Step Vs Linear Warranty

  27. Step Vs Linear Warranty • Suntech is the innovator and leader in setting warranty standard. • One of the best warranties: • Transferable warranty; • Free module shipment related to claim; • Third party arbitration of dispute; • Independent test lab. • Little difference in performance guarantee. • 1.8% difference over a 25 years period for Canadian Solar warranty.

  28. Step Vs Linear Warranty • Smaller than the +-3% measurement tolerance for AAA solar simulator. Linear warranty is available as an option. Warranty is covered under subsidiary of Fortune top 500 company, China Pacific Insurance Group.

  29. THANK YOU

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