
R & D
- Technical Innovation
- Patent
- History in R&D and patent
- Development of aluminum fine line and connection method between terminals applied to HVT.
- - Connecting aluminum coils to terminals using ultrasonic wave
- Development of Reactor for high current (30A~) using aluminum wire.
- - Developed Reactor for high current by making aluminum wire PR type.
- Coil for transformer(变压器用线圈)(CN 105977016)
- - In the case of high current reactor, the power output and efficiency of the core are increased without loss of raw material or change of the overall area
- N-CORE for Transformer
- Improving overall efficiency of the transformer and reducing weighty by increasing cross section of core.
- Ultrasonic soldered aluminum coil and method of its manufacture (No. 10-0906188)
- Increase the drip rate of the COIL so that the heat generated from the COIL can be released quickly by rolling the round-coil to reduce the product size
- High heat dissipation reactor(高散热性电抗器)(CN 202771929)
- Minimizing size of reactor by maximizing the heat dissipation from the coil using the PR coil.
- Ultrasonic soldered aluminum coil and method of its manufacture (No. 10-0906188)
- HVT insulation system : UL CLASS 240(S), DPC-240 (E108713)
- Core for transformer and method of its manufacture(제 200310100295.1)
- - Enhancing productiviy and reducing the cost by changing E.I CORE from welding type to LOCKING TYPE.
- Structure and method of terminal connection of high voltaage transformers(제 10-0564014호)
- Connedtion structure and method of its manufacutre to prevent rust during connecting AL COIL into terminal.
- HVT Insulation system : UL CLASS 220(R),DPC-R
- HVT Insulation system : UL CLASS 200(N), DPC-N (E108713)
- HVT Insulation system : UL CLASS 180(H), DPC-H001 (E 108713)
- R&D Innovation
- Started AL-COIL for the first time in the market in 2003
- Enhanced brand value with successful development focused on differentatino from competitors and R&D innovation
- Temperature raise, reliability, Physical characteristics test result of AL COIL is OK compared with CU-COIL
- Established TENSION management standards for each COIL diameter
- Started application of AL COIL since 2004
- Started manufacture of PR COIL applied products(HVT, RET) for the first time in the market from 2011.
- Enhanced brand value with successful development focused on differentatino from competitors and R&D innovation
- Raised drip rate and dropped coil temperature
- Reduced product size (enhanced price competitiveness)
- Established completion outer diameter standards for each COIL diameter
- 51% partition of whole production of DPC in 2021
2020
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2001
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1987
Patent certificates
1.Core for transformer and method of its manufacture | 2.Core for transformer and method of its manufacture |
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3.Terminal for transforer | 4.Core for transformer |
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5.Coil for transformer | 6.Crimp terminal |
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1. Application of AL COIL



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2. Application of PR COIL



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