Bringing Sustainable Efficiency to Wind Power

Main Power CircuitAchieving a moresustainable futureby helping youmake the most of your energy2 | Schneider Electric Solutions for Wind Power

ContentsIntroduction ...........................................................................................................................Page 4Solutions Overview............................................................................................................Page 6Wind Turbine SolutionsMain Power Circuit.....................................................................................................Page 8Control of the Wind Turbine...............................................................................Page 10Auxiliary Circuits..........................................................................................................Page 12Wind Farm SolutionsMV Collection ...............................................................................................................Page 14Connection to the Grid..........................................................................................Page 16Centralized Supervision.........................................................................................Page 18Wind Farm and Wind Turbine Services................................................................Page 20MemberSchneider Electric Solutions for Wind Power | 3

IntroductionThe importance ofhaving a trusted partnerSchneider Electric’s solutions make higher productivityand lower maintenance a reality.The current energy crisis has madeat least one thing clear: our planet andsociety’s future is anything but certain.>72%The portion ofworldwide energyconsumptionSchneider Electricaddresses.To sustain our own (rising) energy demand, andto bring clean, reliable energy to those who arestill going without, we need to bring simplified,innovative solutions to customers at all levelsof energy consumption and conservation.Wind energy is one technology that canhelp us achieve this goal — it is efficient,produces no greenhouse gas emissions,and is becoming increasingly popular asa renewable energy source.So, why is wind power not a greater force inthe energy market than it is today? Well, for one,it is currently an expensive venture, requiringsignificant capital expenses at the outset. Thismakes the efficiency and performance of eachwind turbine all the more important.Fortunately, Schneider Electric has a widebreadth of solutions that will help you reducethose capital expenses, increase productivity,and ensure that you get the most from yourwind power operation. Additionally, when youchoose to partner with Schneider Electric foryour wind project, you’re choosing:>> A balance between bulk and adaptedproducts, providing customers withhigh-quality standards and flexible,customized solutions.>> The benefits of a global player, with theability to source and deploy the serviceexpertise you need, when you need it.>> The right level of service continuity,tailored to your specifications by theglobal specialist in energy management.In other words, you’ll be able to do morewith less. And in a growing industry wherethe bottom line is the only line that matters,choosing the right partner can make allthe difference.4 | Schneider Electric Solutions for Wind Power

IntroductionEnd-to-end wind power solutionsProviding an effective and complete electrical infrastructure30%The savingsyou can achieve withrobust automation,control, and monitoringof your energy usage.Running a wind farm is no easy task. Industryplayers know this, because their job is toprovide the high-quality products that makethat job manageable.Meanwhile, wind farm operators and developersare on the front lines. To ensure that eachproject runs smoothly — from start to finishand through the life cycle of the equipment —they rely on the expertise and experience ofcompanies like Schneider Electric, the globalspecialist in energy management.Our wide range of services and solutions helpyou save time and money by deploying efficientproject management, ensuring reliability, andadding value as a specialized consultant withco-design capability.And, with six new solutions to offer the windpower market, the time has never been betterto rely on Schneider Electric as your trustedadvisor. Those solutions include:> > A reliable, efficient Main Power Circuit> > Automated Control of the Turbine> > A one-stop shop for your Auxiliary Circuits> > MV Collection with optimizedequipment safety> > An efficient Connection to the Grid> > Enhanced control and SupervisionThese technically integrated solutions provideyou with a complete and reliable electricalinfrastructure, enabling wind farm operators toensure service continuity to their customers.Schneider Electric Solutions for Wind Power | 5

Solutions OverviewIntegrated solutionsfor every stage of the processSchneider Electric’s six dedicated solutions4MV CollectionWe offer an extremely compact,wind-specific MV collectionsolution that ensures betterservice continuity andguaranteed efficiency.5Connection to the GridReduce both capital and operatingcosts by ensuring your connectionto the grid complies with utilityrequirements and delivers maximumharvested electricity.6 | Schneider Electric Solutions for Wind Power

Wind Turbine Solution | Main Power CircuitImproving your energy harvestthrough maximum efficiency> 4,000The total megawattsof installed wind powercapacity worldwidesupported byXantrex converters.Setting a new standard forwind power with Xantrex convertersWith more than 20 years of experience inthe wind industry, Xantrex has establishedits name as a reliable partner in any windproject. End-to-end maintenance, support,and rapid response time have only addedto that reputation.But the converters themselves are the realstory. Each Xantrex wind power converteris custom-designed to provide optimumperformance with your specific generatorand is built using proven modular assemblies.Additionally, to meet stringent utility grid coderequirements worldwide, Xantrex convertersare available with patented technology thatkeeps wind turbines connected to the grid,despite large voltage or frequency variations.This same technology also reduces torquestress on turbine gearboxes and drive shafts.It’s this kind of innovation that has madeXantrex such a dominant force in the windpower industry, serving wind turbines fromthe 10 kW up to the 5 MW power classes.Wind-specific products provideadded reliability for your main power circuit.< 60cmThe key dimensionof Schneider Electricwind-specificswitchgears,allowing them topass through thedoor into thewind turbine.Once your generator has produced electricity,you want to hold on to as much of thatenergy as possible. That’s why it’s soimportant that your main power circuit bereliable, efficient, and designed in accordancewith the relevant standards.Our products — including the contactor and theLV circuit breaker — have been designed togetherto reach a Type 2 coordination, meaning that ifan overvoltage occurs, one piece of damagedhardware won’t harm another. And, whileconverters are typically a place where energy islost, our Xantrex converter — designed specificallyfor the wind industry — is very efficient.But our wind-specific equipment doesn’t stopthere. Our DVCAS switchgears are designedto fit through doors as small as 600 mm wide,and can be installed in wind turbines up to2000 m above sea level. Of course they complywith all the relevant standards (IEC and UL),and also meet all the needs of networks up to36 kV (IEC) / 38 kV (UL).In addition, our main power circuit solutionwill help you:>> Achieve better service continuityand heightened safety with integratedswitchgears and transformer substations.>> Lower both your capital and operatingexpenses by up to 25 percent throughpower factor correction/harmonic mitigation.>> Improve your business performance byreducing downtime and increasing thelifetime of your equipment.8 | Schneider Electric Solutions for Wind Power

Wind Turbine Solution | Control of the Wind TurbineEnsure an optimizedoperating environmentGain greater control of the turbinethrough automation and backup power20%The steady growthrate for wind energyover the last 10 years.This is expected tocontinue through2012 and beyond.> 42The number ofcountries thathave some renewableenergy policy in placetoday. This is expectedto climb rapidly as focuson climate change,dependence on foreignenergy sources, andthe cost of energyincreases.Efficiency alone can be the differencebetween a successful wind turbine and onethat fails to produce. So, why would youchoose anything but the most efficientsolution for your installation?Schneider Electric fully automates thewind turbine, using such products asthe Programmable Logic Controller (PLC) anda highly-reliable UPS. Together, they form adynamic and rugged system which has verylow power consumption, and can be easilymodified or upgraded.As such, the PLC functions as the “brain” ofthe wind turbine, while the UPS provides thebackup power to keep the PLC working — evenwhen no wind energy is being collected. Andwith this integrated system, you also enable:>> The ability to gracefully shut down thewind turbine, distribution and/or collectionmonitoring and control systems> > The capturing and storing of any informationrelated to the state or failure of the windpower system when an outage occurs>> Heavy reduction in maintenancecosts, longer mean time betweenfailure, and simplification of thetroubleshooting process>> Enhanced safety for the wind turbine, thepower grid, and any personnel involvedWith complete control of the turbine, you finallyget the kind of compact, high-performancesolution that only comes from a provider withdecades of expertise in automation. Finally, youcan optimize your efficiency to get the resultsyou’ve been looking for.Finally, you can optimize your efficiencyto get the results you’ve been looking for.10 | Schneider Electric Solutions for Wind Power

ProductsPLCM340• Compact size designedfor use in reduced-spaceturbine environment• Robustness to vibrations(up to 3G)• Operates in harshenvironment-40°C to + 75°C• Embeds RTU functions(data storage, remotecommunications)• Flexible and modular designM258• Compact and optimised• Modular, expandableand remote flexibility• High performanceand openness• Data storage ,web andftp server embeddedXBT GCHMI and control offer:•Compact all in-oneUp to 15% total savings•(in design setup operationand maintenance)UPSSymmetra RM• 2 to 6 kVA• Output voltage distortion < 5%• Efficiency at full load 91%• 50Hz or 60HzSchneider Electric Solutions for Wind Power | 11

Wind Turbine Solution | Auxiliary CircuitsA customized solutionfrom a single providerOur expertise in automation and electrical distributiongets you the best fit for your auxiliary circuits.Conditions in a wind turbine are inhospitable,to say the least — extreme heat, bitter cold,excessive moisture, and even lightning arejust a few of the environmental conditionsyour equipment needs to be ready to face.Of course, your initial need is simply to finda supplier for each of the parts that make upyour auxiliary circuits, from panel boards topower surge protection.Schneider Electric has the best of bothworlds: all the parts you need; all guaranteedto stand up against the harsh conditions thatwind turbines represent. And, what’s more,they all give you the guarantees required interms of safety, upgradeability, and costcontrol over the years.Our auxiliary circuits offer includes, but isnot limited to:>> Highly-dependable panel boardsthat ensure installation safety andoperating dependability>> Human Machine Interfaces (HMIs)that provide cost-efficient operationwith connectivity everywhere>> Proven, innovative technology that issimple to use, compact, and addressesall your control and signalling needs>> Reliable, robust surge protection againstlightning to ensure safe, clean power andoptimized availability>> Soft starters and variable speed drives(VSDs) that increase both accuracyand dependabilityTeSys U-Line Motor Starter-Controllers:The ultimate in motor control and protection40%The panel sizereduction madepossible by usingthe wind-specificTeSys U-Line versusthe traditional solution.There’s never been a motor control system quite like Schneider Electric’s new TeSys U-Line.With ingenious simplicity, U-Line brings power, protection, and control all together in oneincredibly compact, modular device. In fact, the wind-specific TeSys U — designed to fiteasily into a nacelle — reduces the size of the panel by 40 percent versus the traditional solution.Because of its simple plug and play modularity, the TeSys U-Line has ten times fewer part numbersthan devices using standard components, so preparation, selection, and ordering are fast andeasy. Additionally, the U-Line requires 80 percent less wiring than a traditional solution, and, incase of an overload trip, the reset can be done quickly and easily without going up to the nacelle.12 | Schneider Electric Solutions for Wind Power

ProductsLightningprotectionVariableSpeed DriveSoft StarterHMI ScreensQuick PRD• Pluggable cartridges• Safest installation• Type 1, type 2 andtelecom offers from48V to 690V• Compliance withnew standardsTS 50539-22Altivar 71• 0.37 to 500kW• 200 to 480V• Worldwide offer:UL, CSA, CE,CTick, GhostAltistart• 4 to 1200kW• 200 to 690V• Patented TorqueControl System (TCS)Magelis• Complete andscalable offerPush Buttons Motor Control Panel BoardsHarmony• ø 8, 10, 12mmpilot lights• ø 16, 22, 30mmpush-buttons,switches & pilot lightsTesys U• Up to 15kW• 12 to 32A• Interrupt 50kAat 480V• 45mm wide unitPrisma• Prisma Plus G /up to 630A• Prisma Plus P /up to 3200A• Metal enclosures• IP30 to IP 55Schneider Electric Solutions for Wind Power | 13

Wind Farm Solution | MV CollectionProtect your turbines;connect your wind farmOptimize equipment safetyand availability through MV Collection> 30The years ofexperience we have,with 10,000 MV/LVsubstations beinginstalled each yearall over the world.When dealing with more than just a singleturbine, harvested energy must be collectedbefore it’s brought to the power station.To do this as safely and efficiency as possible,wind farm operators need a system for MVCollection. This includes such equipment astransformers, switchgears, and kiosks toname a few.But what puts Schneider Electric’s solutionsabove the competition is the fact that allthese products have been designed to worktogether, ensuring electrical, mechanical,and communication compatibility. And, eachaspect of the solution contributes to the overallproductivity of the wind farm in its own right:>> SF6 insulated switchgears that ensurethe electrical installation is optimized,has improved performance and betterservice continuity.>> Wind-dedicated transformers that arehighly efficient and proven reliableagainst a variety of environmental hazards.>> Customized, prefabricated substationsthat improve network efficiency andmaximize electricity production.>> A complete electrical installation thatallows you to better manage yourmaintenance costs.Also, however, the transformer and theswitchgears have been specifically tailoredto wind farm constraints: while all are especiallycompact, the switchgears, for instance, arepurposely designed to be a mere 60 cm,allowing them to pass through the door ofa wind turbine.And if you want to ensure that your projectgoes smoothly, look no further than ourown Projects and Engineering Centre.There, we bring more than 50 years ofexperience to the table, helping youdevelop innovative value proposals usingour cutting edge expertise. To learn moreabout these and other consultancy options,see Page 20.All of our products have been designed towork together, ensuring electrical, mechanical,and communication compatibility.14 | Schneider Electric Solutions for Wind Power

ProductsProtection RelayLV/MV TransformerSecondary SwitchgearsSepamTrihal• 12 analog inputs• 42 logic inputs• 23 relay outputs• 2 Modbuscomm. portF1 / self-extinguishing•in case of case fire• E3 / withstand 95%humidity accordingto IEC 60076-16• C3 / resistanceto -50°CDVCAS• 36kV – 38 kV• Up to 630A• 20kA / 3s• 20kA / 1s IACAFL – AFLRRM6• 24 kV• Up to 630A• 20kA / 1s IAC-AF ALSM6• 36kV• Up to 1250A• 25kA / 1s• Adaptable designfor door width andvibrations constraintsSchneider Electric Solutions for Wind Power | 15

Wind Farm Solution | Connection to the GridAchieving improved reliabilityand efficiency at once97%The amount ofavailability SchneiderElectric can guaranteefor your wind farminstallation.25%The reductionin operating andcapital expensesyou can realizethrough powerfactor correction/harmonic mitigation.A solution to connect you to the gridand extend the life of your equipmentConnecting to the power grid brings withit a unique set of challenges: surges, dips,distortions, and, of course, stringent grid coderequirements. Even small shifts of power flowscan trip circuit breakers, sending larger loadsonto neighbouring lines and causing chainreaction failures.For those not from electrical backgrounds,solving these problems can be a dauntingproposition. And yet, bringing clean,reliable power to your installation isabsolutely necessary.Fortunately, being the global specialist inenergy management, we at Schneider Electrichave the solution — the solution to relievethat grid-induced anxiety, bring you theoptimized reliability you need, andguarantee 99.5 percent availability.The solution begins with SF6 insulatedmetal-enclosed switchgear, which isdesigned to ensure maximum safety ina reduced-space environment. Its designalso ensures that it is unaffected by theenvironment, enabling a superior continuityof service.In terms of grid code requirements, we designand provide everything you need to comply,from fixed LV and MV power factor solutionsto real-time compensation systems. Thesesystems, which include harmonic mitigation,provide several benefits that can be translateddirectly into financial savings for both theinvestor and the user:>> Up to 25 percent reduction is commonlyachievable in both capital andoperational expenses>> Significant reduction in downtime>> Extended equipment lifetime>> Minimized system lossesand demand power>> Reduced overloading on the electricalsystem, thereby releasing useable capacityAll this adds up to improved competitivenessof your business. And, since such measuresare now all but essential for operating a safeand successful installation, the time has neverbeen better to take these precautions againstan unreliable grid.Bringing clean, reliable power to yourinstallation is absolutely necessary.16 | Schneider Electric Solutions for Wind Power

ProductsPrimary SwitchgearsReactive Energy CompensationPowerTransformersCGset• Single busbar/double busbar• 24kV-36kV• Up to 2500A• Up to 40kA 3s• 31,5kA / 1s -40kA / 0,5s IACAFL - AFLR.MCset• 24kV• Up to2500ALV CompensationVarset• Up to 800 V• 50 and 60 Hz• Indoor or outdoorMV CompensationCP200 series• UP to 36 kV• 50 and 60 Hz• Indoor or outdoorDynamicCompensationAccusine• Up to 10 MVar,with parallelconnections• LV and MVcompensation (MVachieved throughtransformer)• 50 and 60 Hz• Up to 123 kV - 60MVA• Vegetable ormineral oil• On-load or off-loadtap changers• Adaptable design forcapitalization of lossSchneider Electric Solutions for Wind Power | 17

Wind Farm Solution | Centralized SupervisionCentralized supervisionfor all your wind farm needsLower expenses and measure efficiencywith real-time remote management20%The portion of a windfarm’s harvest thatcan be lost withoutthe use of accuratedevices to identifywhen and wherelosses are occurring.50%The portion of all newrenewable energysources that iswind power related.Wind farms are complex installations —and relatively inaccessible — installations tooperate, especially when more than one siteis involved. So when your bottom line dependson your ability to accurately manage the overallhealth and productivity of those turbines, youneed more than educated guesswork.You need a comprehensive system forwind farm supervision.The good news: real-time power monitoringand management is now a reality. Ourcentralized supervision solution ensures theprofitability of a wind power plant, enabling:>> Optimized electricity productionand maintenance cost>> Maximized return on investment>> Reduced reaction time in case offault on a site>> Lowered operational expensesUsing top-of-the-line SCADA host devices,you’ll command a SCADA master station suitablefor a wide range of remote control, monitoring,and management applications with built-in windfarmknowledge. Armed with this powerful tool,you’ll quickly and easily be able to:>> Measure the energy flowing to the grid,in terms of both quantity and quality>> Measure both wind farm andwind turbine efficiency>> View the electrical to ensure gridcode compliance>> See the sequence of events and theFTR to analyse and fix a PQ problem>> Obtain the PQ reporting data for IEC50160compliance reporting at the intertie pointand IEC61400-21 at the wind turbine level>> Monitor wind farms at various sites inreal-time, regardless of the wind turbinemanufacturerOf course, these capabilities are just thebeginning. The Schneider Electric supervisionsolution gives you a single view for all yourwind farm needs, including energy meteringthat boasts the highest accuracy in theindustry. And, with our extensive array ofconsultancy options and services, you canrest assured that you have a partner for yourproject’s entire life cycle.With this kind of partnership and innovation,surely, the sky is the limit.The good news: real-time power monitoringand management is now a reality.18 | Schneider Electric Solutions for Wind Power

ProductsPower MeterSCADAION• Class 0.2 accuracy• 5 communicationports: Ethernet,Modem, RS-232,RS-485, frontpanel optical• Metering: voltage,current, power,frequency,power factorI/O• 32 I/O + extensionscapacities• Signals: digital,analog (4-20mA,0-10V, PT1000…)• Communication ports:RS-232, RS-485,EthernetScada Supervisor• Multi-protocolcommunications(permanent or not)• Multiple alert support(sms, fax, relay, mail)• SQL databaseSchneider Electric Solutions for Wind Power | 19

Wind Farm and Wind Turbine ServicesConsultancy solutions:Experience at your serviceUse our dedicated team of engineers to guide your projectfrom start to finish and beyond.7The number ofSchneider Electricapplication designengineering centresworldwide.950The number ofengineers andtechnicians we have onstaff at our Projects andEngineering Centre,where we offer complexsolutions and servicesfor all our customers.Our consultancy services include:>> Electrical network design to ensure thereliability and longevity of your networkthrough the correct design and selectionof equipment and protective devices.>> Protection studies to identify optimumprotection settings to ensure that yourpersonnel and electrical network areproperly protected and supply availabilityis maximized.>> Electrical installation audits for enhancingthe dependability of your electricalinstallation, ensuring improved andlasting performance for your installationby changing system architecture andorganization.>> Network reliability studies to assesselectrical and environmental stressesand calculate power availability tocritical loads, identifying priorities formaintenance, equipment upgrades, ornetwork changes.>> Electrical contingency planning toproactively reduce the risk to yourinstallation and minimize lost revenuethrough system downtime by runninga detailed recovery plan.> > Harmonics surveys to identify theexisting supply impedance and individualharmonics, as well as reduce bothelectrical insulation degradation andnuisance tripping of overload.>> Fault level studies to proactively managerisks by calculating peak, make, and breakfault levels.>> Power transformer assessments as anon-site audit of your power transformers,with measurements taken both onand offline.>> Control system design providing anoverview design and specification ofcontrol system functionality.20 | Schneider Electric Solutions for Wind Power

Wind Farm and Wind Turbine ServicesBuilding a competitive advantage togetherDeveloping your business, increasing your profitability and improvingyour competitiveness are your main challenges. As your partner of choice,our mission is to help you achieve your objectives throughout the entirelife cycle of your machines.Our OEM-specific service plans include:>> Secure your business with the help ofour risk management experts.>> Facilitate your development abroadthrough our worldwide presence.>> Optimize machinery performancewith the assistance of our applicationdesign engineers.>> Leverage the knowledge and expertiseof our 200 worldwide plants to improveindustrial performance.>> Provide local after-sales service at anylocation worldwide through our CustomerInternational Support representatives.Schneider Electric Solutions for Wind Power | 21

What’s next?Looking for more information about any of our wind farm orwind turbine solutions? In fact, for any wind-related questionyou might have, Schneider Electric’s wind power specialistsare never more than a mouse click away.Our knowledgable representatives are always on hand tohelp you get the information you need to make smart,informed decisions for your next wind power project.e-mail them today atwind@schneider-electric.com22 | Schneider Electric Solutions for Wind Power

Main Power CircuitAchieve more whileusing less. It’s possiblewith Schneider Electric’sreliable and efficientwind power solutions.Schneider Electric Solutions for Wind Power | 23

Make the most of your energySchneider Electric Industries SASHead Office35 rue Joseph Monier92500 Rueil Malmaison - FranceTel.: +33 (0)1 41 29 70 00www.schneider-electric.comDesign: Global Marketing, Communications Strategy, and Design©2010 Schneider Electric Industries SAS, All Rights Reserved. Schneider Electric, Make the most of your energy, and Symmetra are owned bySchneider Electric, or its affiliated companies in the United States and other countries. • 998-2410