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SBG at a GlanceProducts• Oiltransformers•Arcsuppressioncoils•Earthingtransformers•Neutralearthingtransformers
Quality managementTheSGB-SMITGroupiscertifiedinaccordancewith:•DINISO9001•DINISO14001
WepossessweldingcertificationrequiredbytheGermanFederalRailways.Ourownqualitycheckpointsguaranteeamaximumqualitylevel.AlloperationalproceduresarecontrolledviaanERPsystem.
Core,winding,assemblyandhousing:thesefourcomponentsandproductionstepsarewhatcharacterizesouroildistributiontransformers.Theyareour“T.O.P.4”.
MarketsSBGmanufacturestransformersforapplicationsworldwide.SalesandServiceCentersonallcontinentsensureoptimumprocesses.
Ourproductsmeettherequirementsinaccordancewiththeapplicablenationalstandards.
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Power where power is neededOur core competence: the ideal basisfor powerful advancements.
WemanufactureoiltransformersfordistributionnetworksinaccordancewithDINEN50464-1.Theyformthebasisforproductsthatcanbeintegratedperfectlyinspecificapplications,e.g.:
• Three-phaseoiltransformersfordistribution networksofenergysupplycompanies
• Three-phaseoiltransformersinlow-lossdesign fordecentralizedenergygeneration
• Three-phasemulti-windingoiltransformersfor specialrequirements
• Three-phaseoiltransformersforwindpowerplants
• Specialthree-phaseoiltransformersforindustrialplants
•Single-phaseoiltransformersforrailwayapplications
•Arcsuppressioncoils
•Neutralearthingtransformers
•Earthingtransformers
•Oiltransformerswithinsulatingfluidsfor specialrequirements,e.g.fireprotectionor environmentalissues
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QualityComponentAssemblyI
Quality is no coincidence: the core
Theheartofouroildistributiontransformers:thankstostate-of-theartproductionproceduresandhighprecision,itbeatswithparticularreliabilityandpower.Thisiswhatdistinguishescoresmanufacturedin-houseatSBG.
•cold-rolledgrain-orientedmetalsheets•step-lapdesign•max.fillingfactor
Thesemeasuresreduceno-loadlossesandno-loadcurrentsaswellasnoiseemission.
T.O.P. 1
AtSBG,theactualparametersofthetexturetapesusedaremeasuredandrecordedpriortocoreslitting.
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Precise and resistant: the winding
Maximumresistanceto•short-circuitload•overvoltagepeaks
The low-voltage coil-winding
•semi-automatedwindingmachines•currentdisplacementinaxialdirectionadjustsautomatically•reducedthrustforces•spark-freeandsplatter-freecold-pressureweldingofoutgoinglines• high-tensilecoilsthankstoconcentriccoilshapeandthermalbonding oftheprepregtotheconductormaterial
The high-voltage winding
•fullyorsemi-automatedwindingmachines•lacquer-orpaper-insulatedwindingwire•constantwindingtension• layerinsulationmadeofhigh-qualitycablepaper
QualityComponentAssemblyII
T.O.P. 2
LVinsulationmeetinghighestsafetystandardsdueto:•two-layerprepregas LV insulation material•individuallytested pressure-weldedjoints
Productionofhigh-tensilecoils
Fully-automated
windingmachine
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QualityComponentAssemblyIII
Reliable and solid:assembly & dryingAssembly of the active partAllcomponentsareassembledandmountedinashort-circuitproofmannerusingpressedcomponents.Theresult:additionalreservesandincreasedreliability.
Vacuum dryingDryingandoilfillingundervacuumasabasisfor:•maximumimpregnationofinsulatingmaterials•ensuredcompliancewithPDspecificationsas aprerequisiteforanextremelylongservicelife
T.O.P. 3
AtSBG,allactivepartsaresubjectedtoanelectricalpre-testpriortoinstallationinthehousing.
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Durable and robust:housing & corrosion protectionHousing and cover•Corrugatedtankmanufacturedin-house•State-of-the-artcorrugationplantprocessesusing qualitysheetsteel•Afterbeingweldedviatheweldingrobot,thetankis testedforanairtightseal
Corrosion protection•Environmentallyfriendly,hydro-basedcoating systemforvariouscorrosionprotectionrequirements•Coatingwithpaintviaimmersionprocess (standardRAL7033)•Inaddition,thetankishot-galvanizedforenhanced corrosionprotection
QualityComponentAssemblyIV
T.O.P. 4
AtSBG,allhousingsmanufacturedin-housearesubjectedtoafourfoldleakagetestinaccordancewithfactory-specificstandards.Thisensuresoil-tightnessoverthetransformer’sentireservicelife!
Manufactureofthecorrugatedwall
Corrosionprotectioninspecialcolouruponcustomer’srequest
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Test
sTests“Transformers should be seenand not heard”
Reducingtransformers’noiseemissionsisbecomingincreasinglyimportant.Thisiswhy,inadditiontothestandarddesign(DINEN50464),SGBtransformersarealsoavailablewithreducedlossandnoiselevels.
Alongsidetheselectionoftheappropriateinductionandcorematerial,themethodofdovetailinglegsandyokesinstep-lapdesignhasapositiveimpactonthetransformers‘noiseemissionsandlosses.Noisemeasurementsareperformedasspecialtestsatregularintervals.
Routine tests in accordance with DIN VDE 0532•Testwithappliedvoltage(windingtest)•Testwithinducedvoltage(turntest)•Measurementofwindingresistances•Measurementoftransformerratioanddeterminationofvectorgroup;•Measurementofshort-circuitimpedanceandloadlosses•Measurementofno-loadcurrentsandno-loadlosse
Type tests and special tests in accordance with DIN VDE 0532•Temperaturerisetest• Impulseshort-circuittest• Noisemeasurement• Partial-dischargemeasurement
Fault withstand capabilityProofisprovidedviatypetestsperformedbyrenownedtestlaboratories.
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Occupational Health & Safety and certificationOnly transformers energizeAfeelingofreassurance:SBGnotonlycomplieswiththestandardsregardingmanufacturingqualityandoccupationalsafety,butalsofacestoday‘schallengeswhenitcomestoenvironmentalissues.
Awardsandcertificatesreflectthehighdemandsweplaceonourselvesintermsofactingresponsibly.
Certifiedtransportingagenciesandtruckswithspecialsuperstructuresandload-securingequipment
Confirmed many times:
SBG’s quality and performance
Environment
Occupational Safety
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Accessories
Accessories
Enhancedprotection,facilitiesformonitoringandextendedsupervision:ourtransformerscanbeequippedwithaccessoriesandspecialsolutionsforevenbetterintegrationinyourapplicationconditions.
Protection and monitoring equipment for:• temperature•oillevel•pressure•gasformation
Shock hazard protection on HV & LV•HV · innercone-typebushings · outercone-typebushings•LV · terminalswithcovers · cablehoods
Special solutions for especially challenging applications•flat-barterminalsystem•electromagneticcompatibility(EMC)•forconverteroperation•forvibration-resistantdesigns•regardingclimaticconditionsand installationaltitudes
Partn
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ower
VT-03-GB-2012
SÄCHSISCH-BAYERISCHESTARKSTROM-GERÄTEBAU GMBHOhmstraße1•D-08496NeumarkPhone: +49/37600/83-0Fax: +49/37600/3414E-Mail: [email protected]
MemberoftheSGB-SMIT Group:
STARKSTROM-GERÄTEBAU GMBHRegensburg|Germany|Phone:+49/941/7841-0
SÄCHSISCH-BAYERISCHE STARKSTROM-GERÄTEBAU GMBHNeumark|Germany|Phone:+49/37600/83-0
SMIT TRANSFORMATOREN B.V.Nijmegen|Netherlands|Phone:+31/24/3568-911
SMIT TRANSFORMATOR SERVICENijmegen|Netherlands|Phone:+31/24/3568-626
SMIT TRANSFORMER SALES INC.SummervilleSC|USA|Phone:+1/843/871-3434
SGB-USA INC.Golden,CO|USA|Phone:+1/720/897-7090
AM SGB SDN. BHD.Nilai|Malaysia|Phone:+60/6/7994014
Subjecttochangewithoutnotice.
www.sgb-smit.com