World-class Transformers in 1980, Taehwatrans started out as a company specialized in manufacturing instrument current transformers, and it has been growing as one of the world’s most reputable companies, exporting transformers to around 50 countries. The company takes pride in the fact that it has been a leading company supplying world-class transformers in the global market for the last 30 years.
With about 40 years’ experience, Taehwatrans has been able to develop a very unique market positioning in the competitive global markets.
The company can support a significantly wider range of applications than any other providers, which enables it to work together with companies and industries such as energy metering, monitoring, protection, energy harvesting, electric vehicle, BEMS, FEMS and MV distribution.
Taehwatrans has been certified with UL, ERP, ISO9001, CE, TUV and ISO14001 along the way. And for the future, it promises to become a leader in smart grid that will upgrade future values of clients with continuous technology development and the best-quality products to meet the ever-changing needs of the markets.


Producing Various Current Transformers and Current Sensors

Basically, Taehwatrans develops, produces and sells CTs for HEMS, BEMS and FEM of SmartGrid, CTs for division, distribution CT, outdoor CT for monitoring and Rogowski coils. Also, it produces precision CT that goes into 0.1 class meters and CT for digital fault recorders that requires ultra- precision for power plants and substations. In addition, it produces and sells ESS for electric recharge and ZCT for automobiles.
Taehwatrans offers a varied selection of current sensors, such as revenue grade metering CTs, Isolation CTs, Multi Harmonics CTs, energy monitoring & protection CTs, DC immunity CTs, Rogowski coils, including flexible rope type for medium voltage, and Outdoor Weather Resistant Split- core CTs. As IoT (Internet of Things) application advances, Taehwatrans is stepping up its efforts to develop a new generation of current sensors such as energy harvesting & energy monitoring sensors and wireless current sensors. | Blog Magazine of korean electronics, brands and Goods

Transformers and Generators Co., Ltd. manufactures and supplies power materials and equipment such as transformers, generators and switches to power plants, transmission and distribution lines, and various industrial facilities. The company’s excellent quality, quick deliveries, and competitive prices earned the company worldwide recognition in a short period of time.
Powermax’s Sihwa Plant, equipped with the best production and testing facilities, can produce various kinds of transformers and generators of more than 3,000 MVAs per year. Through its comprehensive ISO 9001 certified quality control system, the company offers high quality products and services.




Powermax can manufacture power transformers of up to 72kV and 80 MVAs. The company can produce special transformers such as furnace transformers and mobile transformers as well. Pillar transformers and pad transformers are also on its product list.
Powermax manufactures high-efficiency transformers and various types of transformers ranging from pillar transformers to special transformers. The company has a highly reliable winding design manufacturing technology, and can build a core structure that realizes low loss and less noise.



Powermax is able to manufacture a generator of up to 4000kW and 1800rpm. Emergency diesel engine generators, marine generators, and special generators are manufactured and supplied to the market by Powermax.
Powermax can supply various models ranging from small 10kW generators to large 4,000kW generators. In producing generators, Powermax uses advanced design and control methods with the aim of enhancing reliability in their products and making them easier to operate. Its products are reliable and stable as they feature solid structures, robust durability, and load protection devices. | Blog Magazine of korean electronics, brands and Goods