 | Mold Transformer for Distribution模具配電變壓器 | | | - Area requiring fire safety and low noise
- Special area
- Area with high vibration and shock
- Area requiring high reliability | | | | | | | | - Agreed upon a contract to supply mold transformers (35 units with 2300kVA capacity, worth one million dollars)
for subway rectifiers of Siemens (of Germany) in Puerto Rico in December 1997; supply period (1998-1999)
- Passed an international certification test twice in CESI of Italy in March 1998
- Developed green model using a new conceptual design, reducing the total loss by 15%.
- Perfectly handles the harmonics, depending on changes in loading conditions
- Self-diagnosing transformer, which deals with high temperatures and abnormal voltages
- Equipped with a winding structure, highly moisture-proof with a special cooling path, due to vacuum casting of the
primary and secondary windings.
- Perfect combination of epoxy resin and conductor's thermal expansion coefficient prevents the cracking of
windings.
- Satisfies all international standards e.g., IEC, ANSI, NEMA, DIN, JEC.
- Resin layer is designed to have the thickness of 1.5-2.5mm (competing products, over 9mm) to easily emit heat.
Since the resin layer is thin, the temperature difference between interior and exterior of the windings is as little as
2-3ºC, preventing cracks resulting from mechanical shock. | | | | | | - 1-phase 22.9kV / 200 / 110V 75kVA ~ 500kVA
- 3-phase 22.9kV / 6.6(3.3V) 75kVA ~ 15,000kVA | | | | | | | | This transformer incorporates a highly reliable mold transformer and power receipt & distribution system, with built-in over-current/over-voltage/under-voltage protection and a transformer temperature monitoring and protection function so as to prevent large accidents due to a lack of protection coordination in the load and transformer of a simple power receiving facility, with a capacity of 1000kVA or below. | | | | | | | | | | When designing and installing electric and electronic devices, the electric noise is a difficult issue to handle, and large-scale computers and devices (e.g., CNC M/C) requiring precise data control can be critically damaged by the overflow and electric noise from the power source. To cope with such a loading situation, Hyosung manufactures and provides noise-shielding mold transformer to prevent the noise transferred from high-pressure windings to low-pressure windings. Scope of manufacturing : 50kVA or above, 33kV or below | | | | | | | | | | Due to the increased use of the electricity controller, the load current of a transformer becomes a non-sine wave, including many harmonic contents, and this may cause unpredicted problems in the initial design stage for the transformer and system protection devices. Hyosung directly analyzes and predicts the harmonic current included in load current, and manufactures a new conceptive mold transformer prepared for the harmonic current which is suitable for such features | | | | |
