Woonyoung Co., Ltd. is an electronic control device manufacturer established in 1978, specializing in power electronics control and protection, automation solutions, and power quality improvement devices. The company has steadily developed single/three-phase SSRs, thyristors, SMPS, and noise filters, growing into a total mass production company in the electrical power system field. It aims to be a global leader in the 21st-century power electronics industry by introducing MICOM technologies to its power control systems.WoonyoungCo.,Ltd.isanelectroniccontroldevicemanufacturerestablishedin1978,specializinginpowerelectronicscontrolandprotection,automationsolutions,andpowerqualityimprovementdevices.Thecompanyhassteadilydevelopedsingle/three-phaseSSRs,thyristors,SMPS,andnoisefilters,growingintoatotalmassproductioncompanyintheelectricalpowersystemfield.Itaimstobeagloballeaderinthe21st-centurypowerelectronicsindustrybyintroducingMICOMtechnologiestoitspowercontrolsystems.
Key Products/TechnologiesKeyProducts/Technologies
Electric Power System Control & Protection Devices: Industrial transformers, high and low voltage reactors, and Noise Cut Transformers (NCTs), essential components for power systems. Offerings include UL certified 1-phase transformers (WY21-100UL~WY21-5KUL, WY22-100UL~WY22-5KUL, WY41-100UL~WY41-5KUL, WY42-100UL~WY42-5KUL) and UL certified 3-phase transformers (WY3P42-500UL~WY3P42-20KUL) [cite: database]. Also produce specialized transformers such as DIN-Rail Fused Type Transformers (WY2224-60FD~WY2224-350FD) and DIN-Rail Terminal Type Transformers (WY2211-10TD~WY2211-350TD) [cite: database].ElectricPowerSystemControl&ProtectionDevices:Industrialtransformers,highandlowvoltagereactors,andNoiseCutTransformers(NCTs),essentialcomponentsforpowersystems.OfferingsincludeULcertified1-phasetransformers(WY21-100UL~WY21-5KUL,WY22-100UL~WY22-5KUL,WY41-100UL~WY41-5KUL,WY42-100UL~WY42-5KUL)andULcertified3-phasetransformers(WY3P42-500UL~WY3P42-20KUL)[cite:database].AlsoproducespecializedtransformerssuchasDIN-RailFusedTypeTransformers(WY2224-60FD~WY2224-350FD)andDIN-RailTerminalTypeTransformers(WY2211-10TD~WY2211-350TD)[cite:database].
Automation Solution Control Devices: Solid State Relays (SSR), Thyristor Power Regulators (TPR), Noise Filters, Switching Mode Power Supplies (SMPS), and automatic battery chargers, critical for automation systems.AutomationSolutionControlDevices:SolidStateRelays(SSR),ThyristorPowerRegulators(TPR),NoiseFilters,SwitchingModePowerSupplies(SMPS),andautomaticbatterychargers,criticalforautomationsystems.
Power Quality Improvement Devices: Active Harmonic Filters (AHF), Passive Harmonic Filters (PHF), Micro Surge Filters (MSF), Sine Wave Filters (SWF), and Zero-Phase Harmonic Filters (ZHF) for power quality stabilization.PowerQualityImprovementDevices:ActiveHarmonicFilters(AHF),PassiveHarmonicFilters(PHF),MicroSurgeFilters(MSF),SineWaveFilters(SWF),andZero-PhaseHarmonicFilters(ZHF)forpowerqualitystabilization.
Power Distribution Control Devices: High and low voltage Current Transformers (CT), Voltage Transformers (VT, EVT), Metering Outfits (MOF), Digital Power Protective Relays, Earth Leakage Detectors (ELD), Ground Fault Relays (GFR), Zero-Phase Current Transformers (ZCT), Surge Protective Devices (SPD), and Panel Meters for power distribution systems.PowerDistributionControlDevices:HighandlowvoltageCurrentTransformers(CT),VoltageTransformers(VT,EVT),MeteringOutfits(MOF),DigitalPowerProtectiveRelays,EarthLeakageDetectors(ELD),GroundFaultRelays(GFR),Zero-PhaseCurrentTransformers(ZCT),SurgeProtectiveDevices(SPD),andPanelMetersforpowerdistributionsystems.
Core Technologies: Integration of MICOM technologies into power control systems for enhanced intelligence and performance.CoreTechnologies:IntegrationofMICOMtechnologiesintopowercontrolsystemsforenhancedintelligenceandperformance.
Core AdvantagesCoreAdvantages
Extensive Product Portfolio: Capability to independently develop and produce a wide range of products covering power electronics control, automation solutions, power quality improvement, and power distribution control, serving the entire power industry.ExtensiveProductPortfolio:Capabilitytoindependentlydevelopandproduceawiderangeofproductscoveringpowerelectronicscontrol,automationsolutions,powerqualityimprovement,andpowerdistributioncontrol,servingtheentirepowerindustry.
International Quality and Technology Certifications: Acquisition of numerous domestic and international quality and technical certifications, including UL/CSA/CE for SSRs, CE for transformers and noise filters, Q Mark, ISO 9001, ISO 14001, and KEPIC. Completed PFAS non-detection certification.InternationalQualityandTechnologyCertifications:Acquisitionofnumerousdomesticandinternationalqualityandtechnicalcertifications,includingUL/CSA/CEforSSRs,CEfortransformersandnoisefilters,QMark,ISO9001,ISO14001,andKEPIC.CompletedPFASnon-detectioncertification.
Long History and Accumulated Technical Expertise: Over 40 years of experience since its establishment in 1978 as a transformer manufacturer, consistently developing and applying core technologies in the power electronics field. Continuous R&D activities through its corporate research institute.LongHistoryandAccumulatedTechnicalExpertise:Over40yearsofexperiencesinceitsestablishmentin1978asatransformermanufacturer,consistentlydevelopingandapplyingcoretechnologiesinthepowerelectronicsfield.ContinuousR&Dactivitiesthroughitscorporateresearchinstitute.
Global Market Presence and Export Competitiveness: Successful entry into major markets in Asia (China, Hong Kong) and Europe (Spain, Finland, Turkey). A 13-year track record of successful exports to countries like Australia, Canada, India, Philippines, and Thailand, achieving annual export values of $5 million to $10 million.GlobalMarketPresenceandExportCompetitiveness:SuccessfulentryintomajormarketsinAsia(China,HongKong)andEurope(Spain,Finland,Turkey).A13-yeartrackrecordofsuccessfulexportstocountrieslikeAustralia,Canada,India,Philippines,andThailand,achievingannualexportvaluesof$5millionto$10million.
Manufacturing Infrastructure and Supply Chain Stability: Operation of a manufacturing plant in Vietnam (WOONYOUNG VINA) in addition to its domestic headquarters and factory, strengthening production capacity and securing a global supply chain.ManufacturingInfrastructureandSupplyChainStability:OperationofamanufacturingplantinVietnam(WOONYOUNGVINA)inadditiontoitsdomesticheadquartersandfactory,strengtheningproductioncapacityandsecuringaglobalsupplychain.
Innovative R&D and Management Strategy: A corporate culture characterized by continuous challenges, management innovation, product internationalization, and innovative R&D to actively respond to rapidly changing global markets.InnovativeR&DandManagementStrategy:Acorporateculturecharacterizedbycontinuouschallenges,managementinnovation,productinternationalization,andinnovativeR&Dtoactivelyrespondtorapidlychangingglobalmarkets.
Target IndustrieTargetIndustrie
Power Industry: Supply of control and protection devices across the entire power system, including generation, transmission, transformation, and distribution.PowerIndustry:Supplyofcontrolandprotectiondevicesacrosstheentirepowersystem,includinggeneration,transmission,transformation,anddistribution.
Industrial Automation: Provision of solid-state relays, power control units, power supplies, and other essential control devices for factory automation equipment and control systems.IndustrialAutomation:Provisionofsolid-staterelays,powercontrolunits,powersupplies,andotheressentialcontroldevicesforfactoryautomationequipmentandcontrolsystems.
Power Distribution Board Systems: Supply of key components such as current transformers, voltage transformers, protective relays, and earth leakage detectors for high and low voltage power distribution boards.PowerDistributionBoardSystems:Supplyofkeycomponentssuchascurrenttransformers,voltagetransformers,protectiverelays,andearthleakagedetectorsforhighandlowvoltagepowerdistributionboards.
Renewable Energy Sector: Potential for development and supply of products related to solar power and Energy Storage Systems (ESS).RenewableEnergySector:PotentialfordevelopmentandsupplyofproductsrelatedtosolarpowerandEnergyStorageSystems(ESS).
Industries Requiring Power Quality Improvement: Application of filters and protective devices to address power quality degradation issues caused by harmonics, surges, and noise.IndustriesRequiringPowerQualityImprovement:Applicationoffiltersandprotectivedevicestoaddresspowerqualitydegradationissuescausedbyharmonics,surges,andnoise.
Major MarketsMajorMarkets
China, Hong Kong, India, Philippines, ThailandChina,HongKong,India,Philippines,Thailand
Spain, Finland, TurkeySpain,Finland,Turkey
CanadaCanada
AustraliaAustralia
Certifications/PatentsCertifications/Patents
International Product Certifications: UL, CSA, and CE certifications for Solid State Relays (SSR). UL, cUL, and CE certifications for Transformers. CE, UL, and cUL certifications for Noise Filters. CE and UL certifications for SMPS. CE certification for Thyristor Power Regulators (TPR).InternationalProductCertifications:UL,CSA,andCEcertificationsforSolidStateRelays(SSR).UL,cUL,andCEcertificationsforTransformers.CE,UL,andcULcertificationsforNoiseFilters.CEandULcertificationsforSMPS.CEcertificationforThyristorPowerRegulators(TPR).
Quality and Environmental Management System Certifications: ISO 9001 (Quality Management System) certification. ISO 14001 (Environmental Management System) certification.QualityandEnvironmentalManagementSystemCertifications:ISO9001(QualityManagementSystem)certification.ISO14001(EnvironmentalManagementSystem)certification.
Industry-Specific Certifications: KEPIC (Korea Electric Power Industry Code) certification for nuclear quality.Industry-SpecificCertifications:KEPIC(KoreaElectricPowerIndustryCode)certificationfornuclearquality.
Technology and Corporate Certifications: Acquisition of Q Mark, recognizing product quality excellence. Designated as an INNO-BIZ company. Certified corporate research institute (No. 20061710).TechnologyandCorporateCertifications:AcquisitionofQMark,recognizingproductqualityexcellence.DesignatedasanINNO-BIZcompany.Certifiedcorporateresearchinstitute(No.20061710).
Utility Models and Design Registrations: Utility model registrations for 'Mounting structure of current transformer case', 'Combination structure of wiring terminal piece and through conductor of current transformer', 'Mounting structure of zero-phase current transformer', 'SSR with non-heating AC control input unit', and 'Conductor plate fixing device of current transformer'. Design registration for 'Solid State Relay'. Completed PFAS non-detection certification.UtilityModelsandDesignRegistrations:Utilitymodelregistrationsfor'Mountingstructureofcurrenttransformercase','Combinationstructureofwiringterminalpieceandthroughconductorofcurrenttransformer','Mountingstructureofzero-phasecurrenttransformer','SSRwithnon-heatingACcontrolinputunit',and'Conductorplatefixingdeviceofcurrenttransformer'.Designregistrationfor'SolidStateRelay'.CompletedPFASnon-detectioncertification.