Overview
- Summary
- Woonyoung Co., Ltd. is a specialized manufacturer of power electronics control and protection devices, established in 1978. The company produces various electronic control devices, including industrial transformers, automation solution control devices, and power quality improvement devices. Its core business involves the development and production of power electronics control and protection equipment such as industrial transformers, high and low voltage reactors, and noise-cut transformers (NCT). In the automation solution control device sector, it offers solid-state relays (SSR), thyristor power regulators (TPR), noise filters, and switching mode power supplies (SMPS). For power quality improvement, the company provides solutions like active harmonic filters (AHF), passive harmonic filters (PHF), micro surge filters (MSF), sine wave filters (SWF), and zero-sequence harmonic filters (ZHF). Furthermore, it plays a pivotal role in the power electronics industry by manufacturing and developing various control devices for power distribution, including high and low voltage CT, VT, MOF, power protective relays, earth leakage detectors (ELD), ground fault relays (GFR), and zero-phase current transformers (ZCT).Woonyoung Co., Ltd. is a specialized manufacturer of power electronics control and protection devices, established in 1978. The company produces various electronic control devices, including industrial transformers, automation solution control devices, and power quality improvement devices. Its core business involves the development and production of power electronics control and protection equipment such as industrial transformers, high and low voltage reactors, and noise-cut transformers (NCT). In the automation solution control device sector, it offers solid-state relays (SSR), thyristor power regulators (TPR), noise filters, and switching mode power supplies (SMPS). For power quality improvement, the company provides solutions like active harmonic filters (AHF), passive harmonic filters (PHF), micro surge filters (MSF), sine wave filters (SWF), and zero-sequence harmonic filters (ZHF). Furthermore, it plays a pivotal role in the power electronics industry by manufacturing and developing various control devices for power distribution, including high and low voltage CT, VT, MOF, power protective relays, earth leakage detectors (ELD), ground fault relays (GFR), and zero-phase current transformers (ZCT).
- Key Products/Technologies
- Power Electronics Control and Protection Devices: Essential components for power systems, including industrial transformers, high and low voltage reactors, and noise-cut transformers (NCT). This includes UL certified single-phase transformers (WY21-100UL~WY21-5KUL, WY22-100UL~WY22-5KUL, WY41-100UL~WY41-5KUL, WY42-100UL~WY42-5KUL) and UL certified three-phase transformers (WY3P42-500UL~WY3P42-20KUL).Power Electronics Control and Protection Devices: Essential components for power systems, including industrial transformers, high and low voltage reactors, and noise-cut transformers (NCT). This includes UL certified single-phase transformers (WY21-100UL~WY21-5KUL, WY22-100UL~WY22-5KUL, WY41-100UL~WY41-5KUL, WY42-100UL~WY42-5KUL) and UL certified three-phase transformers (WY3P42-500UL~WY3P42-20KUL).
- Automation Solution Control Devices: Critical control units for automation systems, such as solid-state relays (SSR), thyristor power regulators (TPR), noise filters, switching mode power supplies (SMPS), and automatic battery chargers. Product lines include DIN-Rail fused type transformers (WY2224-60FD~WY2224-350FD, WY2222-60FD~WY2222-350FD, WY2211-60FD~WY2211-350FD, WY3822-60FD~WY3822-350FD, WY3811-60FD~WY3811-350FD, WY4422-60FD~WY4422-350FD).Automation Solution Control Devices: Critical control units for automation systems, such as solid-state relays (SSR), thyristor power regulators (TPR), noise filters, switching mode power supplies (SMPS), and automatic battery chargers. Product lines include DIN-Rail fused type transformers (WY2224-60FD~WY2224-350FD, WY2222-60FD~WY2222-350FD, WY2211-60FD~WY2211-350FD, WY3822-60FD~WY3822-350FD, WY3811-60FD~WY3811-350FD, WY4422-60FD~WY4422-350FD).
- Power Quality Improvement Devices: Solutions for power quality stabilization, including active harmonic filters (AHF), passive harmonic filters (PHF), micro surge filters (MSF), sine wave filters (SWF), and zero-sequence harmonic filters (ZHF). These devices address issues like harmonics, surges, and noise in power systems.Power Quality Improvement Devices: Solutions for power quality stabilization, including active harmonic filters (AHF), passive harmonic filters (PHF), micro surge filters (MSF), sine wave filters (SWF), and zero-sequence harmonic filters (ZHF). These devices address issues like harmonics, surges, and noise in power systems.
- Power Distribution Control Devices: Protection and measurement equipment for power systems, comprising high and low voltage CT, VT, MOF, power protective relays, earth leakage detectors (ELD), ground fault relays (GFR), and zero-phase current transformers (ZCT).Power Distribution Control Devices: Protection and measurement equipment for power systems, comprising high and low voltage CT, VT, MOF, power protective relays, earth leakage detectors (ELD), ground fault relays (GFR), and zero-phase current transformers (ZCT).
- Core Technologies: Advanced technical capabilities through the integration of MICOM (Microcomputer) technology into power control systems. A vision to lead the 21st-century power electronics technology industry through innovative research and development and superior technical expertise.Core Technologies: Advanced technical capabilities through the integration of MICOM (Microcomputer) technology into power control systems. A vision to lead the 21st-century power electronics technology industry through innovative research and development and superior technical expertise.
- Core Advantages
- Extensive Product Portfolio: Capability for independent development and production of a wide range of products covering power electronics control, automation solutions, power quality improvement, and power distribution control, serving the entire power industry.Extensive Product Portfolio: Capability for independent development and production of a wide range of products covering power electronics control, automation solutions, power quality improvement, and power distribution control, serving the entire power industry.
- International Quality Certifications: Acquisition of UL/CSA/CE certifications for SSR products, CE certification for transformers and noise filters, and the 'Q' Mark, ensuring international reliability of product quality.International Quality Certifications: Acquisition of UL/CSA/CE certifications for SSR products, CE certification for transformers and noise filters, and the 'Q' Mark, ensuring international reliability of product quality.
- Innovative Research and Development Capabilities: Proactive response to rapidly changing global markets through continuous technological innovation and R&D, including the application of MICOM technology to power control systems.Innovative Research and Development Capabilities: Proactive response to rapidly changing global markets through continuous technological innovation and R&D, including the application of MICOM technology to power control systems.
- Experienced Workforce and Production Infrastructure: Growth into a total mass production company in the electrical power system field since its establishment in 1978 as a transformer manufacturer, with voltage/type-specific production lines and continuous development of single/three-phase SSR, THYRISTOR, SMPS, and NOISE FILTER.Experienced Workforce and Production Infrastructure: Growth into a total mass production company in the electrical power system field since its establishment in 1978 as a transformer manufacturer, with voltage/type-specific production lines and continuous development of single/three-phase SSR, THYRISTOR, SMPS, and NOISE FILTER.
- Customer-Centric Management Philosophy: A commitment to customer satisfaction and prompt after-sales service, based on the understanding that customer prosperity directly contributes to the company's success.Customer-Centric Management Philosophy: A commitment to customer satisfaction and prompt after-sales service, based on the understanding that customer prosperity directly contributes to the company's success.
- Target Industries
- Power Quality Improvement Industries: Application of filters and protection devices to resolve issues such as harmonics, surges, and noise that degrade power quality.Power Quality Improvement Industries: Application of filters and protection devices to resolve issues such as harmonics, surges, and noise that degrade power quality.
- Renewable Energy Sector: Potential for development and supply of products related to solar power and Energy Storage Systems (ESS).Renewable Energy Sector: Potential for development and supply of products related to solar power and Energy Storage Systems (ESS).
- Automation System Construction Industries: Supply of essential control devices for automation systems, including solid-state relays, power control units, and SMPS.Automation System Construction Industries: Supply of essential control devices for automation systems, including solid-state relays, power control units, and SMPS.
- Power System Infrastructure Industries: Provision of core components for power systems, such as industrial transformers, reactors, and power distribution control devices.Power System Infrastructure Industries: Provision of core components for power systems, such as industrial transformers, reactors, and power distribution control devices.
- Major Markets
- China, Hong Kong, India, Philippines, ThailandChina, Hong Kong, India, Philippines, Thailand
- Spain, Finland, TurkeySpain, Finland, Turkey
- Canada, USACanada, USA
- AustraliaAustralia
- Certifications/Patents
- ISO 9001 and ISO 14001 certifications for quality and environmental management systems.ISO 9001 and ISO 14001 certifications for quality and environmental management systems.
- KEPIC (Korea Electric Power Industry Code) certification for nuclear quality.KEPIC (Korea Electric Power Industry Code) certification for nuclear quality.
- UL/cUL certifications for numerous products, including single-phase and three-phase transformers, SMPS, and temperature-sensing SSRs.UL/cUL certifications for numerous products, including single-phase and three-phase transformers, SMPS, and temperature-sensing SSRs.
- CE certifications for various products such as SSRs, transformers, and noise filters.CE certifications for various products such as SSRs, transformers, and noise filters.
- Utility model and design registrations: 'Mounting structure of current transformer case', 'Wiring terminal piece and through conductor coupling structure of current transformer', 'Mounting structure of zero-phase current transformer', 'SSR with non-heating AC control input unit', 'Conductor plate fixing device of current transformer', and 'Solid State Relay' design registration.Utility model and design registrations: 'Mounting structure of current transformer case', 'Wiring terminal piece and through conductor coupling structure of current transformer', 'Mounting structure of zero-phase current transformer', 'SSR with non-heating AC control input unit', 'Conductor plate fixing device of current transformer', and 'Solid State Relay' design registration.
- PFAS non-detection certification completion.PFAS non-detection certification completion.
Introduction
Key Products
Location
2122-20 Cheonan-daero, Seonghwan-eup, Seobuk-gu, Cheonan, Chungcheongnam-do, South Korea
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