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1、Insert picture here10 x 17 cmTV SD Greater ChinaTV SD Greater ChinaTV SD:Partnership adds valuePhotovoltaic Plant(System)Service Introduction?(?)?TV SD GroupContent?TV SD Photovoltaic Business Introduction?1What we inspect in PV system/plants?2Module Quality is First?3Standards related to PV System/
2、Plant?47 May 20122Q&A?5TV SD GroupTV SD Photovoltaic Business Introduction?TV SD GroupAccess to Global Market?5 May 2009The future is brightSlide4TV SD GroupTest&Certification Service?PV?Modules?IEC/EN 61215(?Crystal Silicon Modules)?IEC/EN 61646(?Thin Film Modules)?IEC/EN 61730-1,-2?PV?Components?J
3、-box:EN 50548:2011?Connector:EN 50521:2008?Cable:Draft DIN VDE AK 411.2.3:2008?PV?:?back sheet:?Partial dischargetest:IEC 60664-1?EVA:?Peel strength test?Customized test5 May 2009The future is brightSlide5TV SD GroupTest&Certification Service?(Balance of System,BOS)?PV Inverter(?)?EN 62109-1/-2;?VDE
4、 0126-1-1/A1;?VDE-AR-N4105;?BDEW?PV Combiner Box:?EN 62109-1/(82/594/NP)?PV Array Tracker:?EN/ISO12100?IEC 60034?ANSI/UL 508A5 May 2009The future is brightSlide6TV SD GroupCustomized Service?Other Service?R&D?:?Customized test service;?Hotspot test service?Lab consulting service?TV SD?Spectral respo
5、nse test?ISO 9001?ISO14001,OHSAS 18001?Management service,such asISO 9001/14001/180015 May 2009The future is brightSlide7TV SD GroupFor Investor,Installer and Trader?Customized Quality service?Product compare,and supplier evaluation?Factory inspection?Pre-shipment inspection?Extensive service accord
6、ing to standards5 May 2009The future is brightSlide8TV SD GroupTV SD Photovoltaic Business Introduction?5 May 2009The future is brightSlide9TV SD GroupContent?TV SD Photovoltaic Business Introduction?1What we inspect in PV system/plants?2Module Quality is First?3Standards related to PV System/Plant?
7、47 May 201210Q&A?5TV SD GroupWhat we inspect in PV system/plants?(?)?TV SD GroupWhat we inspect in PV system/plants?(?)?Siteassessment?Designevaluation?ConstructionMonitoring?OperationEvaluation?Service Scope?Permits and grid connection?Site assessment?Energy yield forecast?Design review?Technical d
8、ue diligence?/?Construction supervision?Commissioning?Operation&Maintenance?Monitoring?TV SD GroupEssential Elements?Site assessment?System evaluation?Plant Performance and Safety?What we inspect in PV system/plants?(?)?TV SD GroupProcess of Technical Audit in PV Projects?Site assessment and system
9、evaluation?Initial site inspection?Energy yield calculation,incl.shading study?Verification of quality of components(certificates,technical specifications)?PV plant design(performance,safety,security)?Referencing of suppliers?Verification of load assumptions for structures?Verification of geological
10、 survey?In-depth analysis of technical file from civil and electrical engineering viewpointReview of design?Conformity with legislation and standards?Extended testing and assessments if components not on white lists“?TV SD GroupSite Assessment?Site Assessment?Shading(shading angles,shadingbetween ro
11、ws of modules,othersources like buildings,trees etc.)?Emissions in the neighborhood(e.g.dust emitters)?Climatic and weather conditions(e.g.frequency of foggy days,frequency oflightning,wind loads)?Real estate situation(in the case of roofinstallation)?TV SD GroupSupervision during construction?Super
12、vision during construction?Several site inspections by civil and electrical engineers?Technology shipment and hand-over inspections?Connection inspections?Inspection of rack construction and module mounting?Schedule monitoring?Financial monitoring?TV SD GroupFinal inspection(incl.performance measure
13、ment)?Final inspection(incl.performance measurement)?Verification of conformity of the whole PV plant with applicablestandards?Measurement of performance?Confirmation of quality of completed plant?Verification of safety and security systems?TV SD GroupPotential technical risks in PV Projects?1.Risks
14、 of legal nature?Failure to secure all necessary permitsFailure to meet applicable environmental requirements andlocal technical legislation/standards2.Risks pertaining to time limit on connection to grid?Local authority permitting processDelay in supply chainFailure in meeting construction schedule
15、3.Risks from uncertified components?Under-estimating the need for certified components(including PV modules,inverters,combine box,cableand etc.)TV SD GroupPotential technical risks in PV Projects?4.Risks arising from poor design of PV plant?Wrong assumptions in Energy Yield calculationsMissing cruci
16、al checks/static loads,geological surveyUnoptimised design resulting in worse performance ratio5.Risk arising from poor quality of construction?Lack of competent installation companiesInsufficient third-party supervision6.Risks concerning security aspects?Inappropriate security system7.Risks from in
17、adequate provisions for O&M?Insufficient maintenance intervalsFailure to replace faulty components on timeWarranty coverage of supplied componentsTV SD GroupProblems onsite?Rack?Electrical Components?Modules?TV SD GroupProblems onsite?By cameraBy IR cameraTV SD GroupContent?TV SD Photovoltaic Busine
18、ss Introduction?1What we inspect in PV system/plants?2Module Quality is First?3Standards related to PV System/Plant?47 May 201222Q&A?5TV SD GroupModule Quality is First?TV SD GroupModule Quality is First?TV SD GroupModule Quality is First?Electro-Luminescence Testing-Intermediatecontrol during produ
19、ction?EL?Target?to reveal micro-cracks and other defects hard tosee?When?before lamination?after lamination?TV SD GroupModule Quality is First?TV SD GroupPre-shipment inspection?Pre-shipment inspection of PV Modules?Safety check:insulation voltage testing,with factorys high voltagetester.?Performanc
20、e check:flash measurement for power output,withfactorys sun simulator.?I-V?Components and materials check against certified components list.?Documents check(rating label,certificate).?Verification for packing,number of cartons,number of pallets?Visual inspection(e.g.no cracked,bent surfaces,no broke
21、n cells,nobubbles or delaminations,no failure of adhesive bonds etc).?Module dimensions and weights.?Ensure Module Quality in Mass Purchase?TV SD GroupModule Power?EPC?TV SD GroupContent?TV SD Photovoltaic Business Introduction?1What we inspect in PV system/plants?2Module Quality is First?3Standards
22、 related to PV System/Plant?47 May 201229Q&A?5TV SD GroupStandards related to PV System/Plant?Module SafetyIEC/EN 61730Module PerformanceIEC/EN 61215IEC/EN 61646Long term reliability testTV SD Thresher TestInverter&Combiner SafetyIEC/EN 62019System SafetyIEC 62446System PerformanceIEC 61724TV SD Gro
23、upStandards related to PV System/Plant?IEC 62446:Grid connected photovoltaic systems Minimumrequirements for systemdocumentation,commissioning tests and inspectionDocumentations?Inspection?Test?TV SD GroupDocumentation?System data?Basic system information?System designer information?System installer
24、 information?Wiring diagram?Array-general specifications?PV string information?Array electrical details?Earthing and overvoltage protection?AC system?Datasheets?Mechanical design information?Operation and maintenance information?Test results and commissioning data?TV SD GroupInspection&Test?Normativ
25、e Reference Standard?IEC 60364 Low-voltage electrical installations/?Part 1:Fundamental principles,assessment of general characteristics,definitions/?Part 6:Verification/?Inspection?DC system inspection?Protection against overvoltage/electric shock?AC system?Labelling and identification?Testing?Cont
26、inuity of protective earthing and/or equipotential bonding conductors?Polarity test?PV string-open circuit voltage measurement?PV string-current measurement?Functional tests?PV array Insulation resistance test?TV SD GroupStandards related to PV System/Plant?IEC 61724Photovoltaic system performance m
27、onitoring Guidelines for measurement,data exchange and analysis?-?Design review?Review technical documentation?Site assessment andenergy yield production estimate?TV SD GroupSite assessment and energy prediction?Sunpath?Shading,Orientation?GPSInclination of row?TV SD GroupEnergy Production(Yield)Est
28、imate?Input all data in the software?TV SD GroupProblems Onsite?Problems in electric installation?Earthing not conform with requirements?Wrong connection in positive and negative?Problems in system design?Shading among arrays?No DC switch dis-connector in DC input?Mechanical load of support not meet
29、 requirements?Problems in system installation?Corrosion between support and electrical junction points?Outdoor electric equipment defects by installation?Problems in operation&maintenance?Not clean dust and dirty on modules on time?No good maintenance manual?TV SD GroupContent?TV SD Photovoltaic Bus
30、iness Introduction?1What we inspect in PV system/plants?2Module Quality is First?3Standards related to PV System/Plant?47 May 201238Q&A?5TV SD GroupAny question,pls contact with TV SD!?Contact Information?Mr.Zhang Defa?Tel:010-65906186-316Mobile:138 1051 2760Mail:defa.zhangtuv-TV SD GroupHeadlineHeadlineThank you for your attention.?www.tuv-7 May 201240