solaredge - segencatalogue.segen.co.uk/reseller/docs/commercialtrainingsolaredgemar… ·...
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©2014 SolarEdge
SolarEdgeCommercialOffering
February 2015
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| 2©2014 SolarEdge
Meet SolarEdge
Established the DC power optimiser segment and leads it with amore than 70% market shareTop-ranking inverter supplier~360 employees, 11 global officesPresence in more than 70 countriesMore than 4,500,000 power optimisers and 200,000 invertersshippedGlobal deployment and 24/7 worldwide support
1 MW, Germany 700 kW, Turkey 2 MW, Lithuania 2.5 MW, Italy
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| 3©2014 SolarEdge
Bankability
200% annual growth rate
Strategic partnerships throughout the PV value-chain
Leading financial backers, such as Norwest Venture Partners,Walden International and GE Energy Financial Services
Bankable in major European and North American solar financinginstitutes and banks
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| 4©2014 SolarEdge
SolarEdge System Overview
Inverter
Monitoring Portal
Poweroptimizer
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| 5©2014 SolarEdge
Why SolarEdge?
Improved bottom line More energy More modules Reduce BoS cost Reduce O&M costProtect your investment Higher system up-time Expect the unexpected Safety
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| 6©2014 SolarEdge
Improved Bottom LineMore Energy
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| 7©2014 SolarEdge
Module Mismatch
Each module in a PV system requires different current andvoltage to operate at Maximum Power Point (MPP)Modules with different MPP -> module mismatch
SolarEdge Monitoring Portal: Lighter shades of blue signifies stronger power output
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| 8©2014 SolarEdge
Traditional InverterMPPT per entire stringAll modules receive the same current,regardless of their individual MPP
SolarEdge SolutionMPPT per moduleCurrent & voltage adjusted permodule
SolarEdge Vs. Traditional Inverters
MPPT = Maximum Power Point Tracking
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| 9©2014 SolarEdge
Thermal Mismatch
IR-camera reveals:Temperature decreases by 13°C from top tobottom row of modules in this PV plant = 5.6%Pmpp mismatch
(∆Pmpp=13°C * 0.43 [%/°C])
Module Mismatch
Tolerance Mismatch
Thermal Mismatch
Power MismatchFrom the manufacturing plant,the warranted output powerrange of modules may varygreatly. A standard deviation of+/-3% is sufficient to result in~2% energy loss.
Wind and shading betweenmodules in a large system cancause significant temperaturevariances.
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| 10©2014 SolarEdge
Module Mismatch
Soiling and Partial ShadingModule soiling, from dirt, birddroppings, or snow, contributesto mismatch between modulesand strings
While there may be noobstructions during site design,during a system’s lifetime, a treemay grow or a man-madestructure may be erected thatcreates uneven shading.
Soiling Mismatch
Partial Shading
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| 11©2014 SolarEdge
Module Mismatch
Uneven AgingMost modules age to an acceptable degree of <80% of their nameplate outputBut the different rate at which they age introduces aging mismatch
Black lines: Power variance of identicalmodules after 20 years (The figuresummarizes only the results of the better-performing module series)Source: A. Skoczek et. al., “The results of performancemeasurements of field-aged c-Si photovoltaic modules”,Prog. Photovolt: Res. Appl. 2009; 17:227–240
Uneven module ageing
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| 12©2014 SolarEdge
Module Mismatch
Best module
Worst module
Batch
Average
Uneven Aging
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| 13©2014 SolarEdge
Added Energy – In All Scenarios
PHOTON Magazine proves: SolarEdgeincreased energy output by 2% - 30% PHOTON Labs tested and compared the
added energy of power optimisers to atraditional inverter (10/2011 issue)
101.7% 101.2%
130.6%
109.7%104.7%
Traditional inverter SolarEdge
100%
Comparison of yield produced by traditional inverterand SolarEdge systemLaboratory conditions, flash tested modules, homogenous irradiance
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| 14©2014 SolarEdge
Case Study – 3 Years Outperformance
Birds Hill Nursing Home, 32kW, Poole, Dorset
Installation Date:October 2011
Inverter:3 X SolarEdge SE10kW
Power Optimizers:136 X SolarEdge OP250
Modules:136 X 235W MAGEPowertech Plus
Installed by:Empower Energy
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| 15©2014 SolarEdge
8% Average Over-Performance
“For years we have recommended SolarEdge technologyto system owners to help increase their energy production.For three years, this system has over-performed the estimatedyield by 8%, proving the benefit that SolarEdge offers.”Malcolm Davidge, Technical Director, Empower Energy
Until Jan/2015 - £36,000 in FIT payments + £10,000 of savings inelectricity bills
*
* As calculated with PV Sol for year 1
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| 16©2014 SolarEdge
Improved Bottom LineMore Modules
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| 17©2014 SolarEdge
More Modules By Design
Power optimisers enable installation of: Modules in partially shaded areas Strings of uneven lengths Strings in multiple orientations and different roof facets
More modules on the roof
More power & Revenue Traditional inverter: 149.5 kW DC SolarEdge: 200 kW DCIncrease 34%
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| 18©2014 SolarEdge
More Modules By Limitation
Very cost effective Feed-in Limitation deviceWorks for any size systemFail-safe in case of damaged communication cablesFast operationRetro-fit current clamps (split-core)
Example: 30kWsystem with21kW export limit
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| 19©2014 SolarEdge
Improved Bottom LineReduced BoS Cost
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| 20©2014 SolarEdge
SolarEdge Fixed String Voltage
String voltage is always fixed,regardless of temperatureand of string length
Constraint-free design Longer strings
Reduces wiring & BoS components
Flexible design formaximum roof utilization:
Parallel strings of unequal lengthsModules on multiple roof facetsModules with different power ratings
String voltage is always optimal for DC/AC conversion
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| 21©2014 SolarEdge
Simpler System Design
Typical String Inverter SolarEdge
Limited string length 26-60 modules per string (up to 11.25kW)
Must match string lengths per MPP tracker Uneven strings can work in parallel
Shaded modules affect the entire string Only shaded modules are effected
Cannot mix different types of modules Any module size or type can be used
Locked in to same orientation/tilt per MPPtracker Any orientation/tilt
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| 22©2014 SolarEdge
The diagram below shows a 40kWp block with a typical string designfor SolarEdge and SMASolarEdge fixed string voltage allows for longer string, reducing theamount of DC cablingSolarEdge uses 78% less string cabling than SMA in this system(2.3m/kW DC Vs. 10.4m/kW DC)
DC Cabling BoS
Included DC cablesAdditional DC cables
SMA: 20 module strings
SolarEdge: 40 module strings416m per 40kW DC
92m per 40kW DC
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| 23©2014 SolarEdge
Case Study - Maximum Design Flexibility
String length can be 45/46 modules (compared to 21 with stringinverter), and stretch over 2/3 roof facets The whole system can be installed with 3 strings only –
one per inverter Significant BoS cost reduction
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| 24©2014 SolarEdge
Improved Bottom LineReduce O&M Cost
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| 25©2014 SolarEdge
Module-level Monitoring
Module-level monitoring and remote troubleshooting enableO&M team to identify faults quickly and effectivelyFull visibility of system performance & remote troubleshooting Monitoring at the module level Fault detection pinpointed on a virtual site map Automatic alerts on system issues Easy access via web browser from computer or mobile deviceBuild in communication hardware
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| 26©2014 SolarEdge
Cost Saving Maintenance
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| 27©2014 SolarEdge
Cost Saving Maintenance
Module-level performance monitoring & remote maintenancelead to Less trips to site & decreased time spent on site Higher system uptimeFree module-level monitoring for system life timeComplete system status on your mobile (iPhone or Android)
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| 28©2014 SolarEdge
Example: PID Detection
Potential induced degradation is a physical phenomenareducing the modules power by reducing its fill factor and itsoutput voltageThe PID Effect is the strongest on modules closest to theinverter’s negative poleIf PID is suspected, technicians are required to climb on theroof, disconnect the modules, and measure their output voltage
PV- PV+
EL image of a floating PID string with degraded panels on the side with negative potential (S. Pingel, O. Frank, M.Winkler, S. Daryan, T. Geipel, H. Hoehne and J. Berghold SOLON SE, Am Studio 16, 12489 Berlin, Germany)
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| 29©2014 SolarEdge
Remote PID Detection
Using SolarEdge monitoring portal, PID problems can bedetected in “two clicks”Looking at the string modules power, degradation of power inthe last modules is shown (closest to the negative pole)
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| 30©2014 SolarEdge
Defective Bypass Diode
Module voltages
Good modules,with full voltage
Underperformingmodule, with reduced
voltage
Bypass diodeoperating/failing
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| 31©2014 SolarEdge
Future Compatibility & WarrantyLow-cost inverter replacement out of warranty 40% less than traditional invertersAvoid expensive stock of module inventory by eliminating theneed to store spare stock SolarEdge flexible design allows modules of different power classes
and brands in the same string New power optimizers can be utilized in the same string with older
models25-year power optimizer warranty, 12-year inverter warranty,free monitoring for 25 years
600W-700W power optimizersCommercial inverters15kW, 16kW , 17kW
P-5 SeriesP-2 Series
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| 32©2014 SolarEdge
Protect your Investment
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| 33©2014 SolarEdge
Expect the Unexpected
Future tolerance changes Module level MPPT (mitigate mismatch losses) Aging mismatch Unpredictable environmental and obstruction changes (e.g. antenna erected) Defective modules
Higher system uptime The monitoring and alerts enable fast technician response when necessary
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| 34©2014 SolarEdge
Safe Installation and Maintenance
Remote monitoring instead of diagnostics work at dangerousheightsNo high VDC during installation or maintenance - Poweroptimisers and DC cables automatically shut down wheninverter is off or disconnected
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| 35©2014 SolarEdge
Protecting System Owner Assets
Providing the highest safety for installers, electricians, and firefighters
Automatic module DC shutdown when inverter is not operating
Electric arcs are automatically detected and prevented bymodule shutdown
Better suited for future insurance requirements
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| 36©2014 SolarEdge
Firefighter Gateway
Safety Remote controls the built-in SafeDC™ mechanismEnables system DC shutdown by pressing an emergency stop button orreceiving an alarm from Fire Alarm Control PanelReal time indication of system DC voltage for safety assuranceRemote indication of PV system status
Fire AlarmControlPanel
EmergencyStop Button
RS485 RS485 RS485
FirefighterGateway
RS485
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| 37©2014 SolarEdge
SolarEdge as Your Partner
Pre Sale
On-going Service
Monitoring Module level
performance data Remote troubleshooting
Support Local expert teams Online Service Portal Call centers
Maintenance On-site repair Preventive remote
monitoring
Design System design
consulting
Valuation LCOE
calculation
Training Technical installation
& maintenance training
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| 38©2014 SolarEdge
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