refusol 020k-sci 20 kw commercial pv inverter teardown reverse costing report by yole developpement
Post on 14-Sep-2014
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DESCRIPTION
Silicon Carbide transistors allow a weight reduction and performance improvement Peak efficiency ratings of up to 98.7% on a wide input voltage range REFUsol 020K-SCI model has enabled REFUsol to receive Plus X Award for this inverter using Silicon Carbide technology. With a nominal power of 20KW AC, the transformerless inverter, which provides one MPPT and a peak efficiency of 98.7%, has been distinguished for innovation, high quality, functionality and ecology. The system uses specific power modules from Danfoss. One of the modules uses Silicon Carbide MOSFET Transistors from Rohm and Silicon Carbide Diodes from another manufacturer. System Plus Consulting is publishing the reverse costing report of the REFUsol 020K-SCI. Based on a complete teardown analysis, the report provides the bill-of-material of the product, an estimation of the production cost of the inverter as well as physical and economical analysis of Danfoss power modules. More information at http://www.i-micronews.com/reports/REFUsol-020K-SCI-20-KW-Commercial-PV-Inverter/12/428/TRANSCRIPT
DISCLAIMER : System Plus Consulting provides cost studies based on its knowledge of the manufacturing and selling prices of electronic components and systems. The given values are realistic estimates which do not bind System Plus Consulting nor the manufacturers quoted in the report. System Plus Consulting is in no case responsible for the consequences related to the use which is made of the contents of this report. The quoted trademarks are property of their owners.
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. 1
Electronic Costing & Technology Experts
www.systemplus.fr21 rue la Nouë Bras de Fer44200 Nantes – France Phone : +33 (0) 240 180 916 email : [email protected]
March 2014 – Version 1 - Written by David Le Gac
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© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
1. Overview/Introduction 3– Executive Summary
– Company Profile : REFUsol
– Main Features
– Characteristics
– The Course of the Analysis
2. Physical Analysis 11– Packaging
Views and Dimensions of the Packaging
Packaging Opening
Documentations and Accessories
– Inverter
Views and Dimensions of the Inverter
External Interfaces
Inverter Opening
Front Cover Disassembly
Display Keyboard Disassembly
Inverter Disassembly
Cables and Connectors
LCD Display
DC Isolating Switch
Fan
Storage and Sinusoidal Filter Chokes
Label Plate
Housing
Heatsink
Power Board
Power Modules
Current Sensor Board
Control Board
Phytek Board
Auxiliary Board
Display Board
Input Board & Output Boards
3. Cost Analysis 131– Accessing the BOM
– Estimation of the cost of the PCBs
– BOM Cost – Packaging
– Accessing the Housing
– Accessing the Heatsink
– Accessing the Mounting Plate
– Accessing the Display Keyboard
– Accessing the Power Modules
– Power Module Cost
– Power Module Price
– BOM Cost – Housing
– BOM Cost – Power Board
– BOM Cost – Current Sensor Board
– BOM Cost – Control Board
– BOM Cost – Phytek Board
– BOM Cost –Auxiliary Board
– BOM Cost – Display Board
– BOM Cost – Input Board & Output Boards
– Material Cost Breakdown
4. Added Value Analysis 167– Accessing the Added Value (AV) Cost
– Control board Manufacturing Flow
– Details of Control Board AV Cost
– Details of System Assembly AV Cost
– Details of System Assembly and Final Functional Test AV Cost
– Added Value Cost Breakdown
5. Estimated Price Analysis 179– Estimation of the Selling Price – EMS
– Estimation of the Selling Price - REFUsol
– Functional Cost Breakdown
Contact 185
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© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
This Reverse Costing analysis has been conducted in several phases :
• The initialization of the analysisPictures of the elements to be studied.Identification of the components.
• Description of the material in the “SYScost+” softwareCreation of an “estimation project” of the studied board with SYScost+ software.Construction of the Bill of Material (BOM).
• Assessing the materialSearching for the price of each reference among distributors and manufacturers.Assessing the cost of the PCB and of the unaccounted references (unknown by distributors)The BOM is valued with SYScost+ : price simulation according to the requested quantities.
• Assessing the assembling and test phasesAssembly and test lines are modeled with the SYScost+ software.The assembly and tests costs are estimated.
• Production cost & selling priceEstimation of the production cost & selling price.
• ReportA report is edited.
SYScost+©, is a software tool developed by SYSTEM PLUS CONSULTING to calculate the cost of electronic boards. Moreinformation on the software can be found at www.systemplus.fr.
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
Return to TOC
© 2014 by SYSTEM PLUS CONSULTING, all rights reserved. REFUsol 020K-SCI
• The Reverse costing analysis represents the best cost/price evaluation given the publically availabledata, completed with industry expert estimates.
• These results are open for discussion. We can re-evaluate this circuit with your information.
Please contact us for further information:
USA Office• Michael McLaughlin, Business Development Manager, Phone: (650) 931 2552 - Cell: (408) 839 7178
Email: [email protected]• Jeff Edwards, Sales Associate, Yole Inc., Cell: (972) 333 0986-Email: [email protected]
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Tel: +33 472 83 01 90, Email: [email protected]
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Fax: (82) 2 2010 8899 Email: [email protected]
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Beginning in 1998 with Yole Développement, we have grown to become a group of companies providing market research, technology
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