Power transformer

immersedfor industrial applicationsfor rolling mills

STD Power Transformers are individually designed and manufactured to meet and exceed the highest industry standards and the exact specifications for the particular application involved. Special options and features are planned into the original design and built into the unit. STD Power Transformers are liquid-oil-immersed for the most efficient and reliable long-term operation in a wide variety of utility and industrial applications. In addition to having extended our product line, we have also developed a technological, administrative and marketing infrastructure that is comparable with some of the finest manufacturers of similar products at worldwide. STDTransformer is uniquely focused on becoming one of the most valued global providers of power & distribution products for utilities and industry. Std Transformer is Design, manufacturing and exporting 53 Countries of the Power Transformer APPLICATIONS • Generation Step-up Units (GSU) • Transmission Substations • Distribution Substations • Industrial Plants • Oil & Gas • Cement • Chemicals & Petrochemicals • Rolling Mills • Mining • Desalination Plants MAIN CHARACTERISTICS • Power Rating : from 4MVA up to 50MVA • Voltage Level : from 3,3kV up to 66kV • Frequency : 50 or 60Hz • Vector Group : single phase or three phase transformers with possibility of star and/or delta connections in any of its windings. • Number Of Windings : possibility to manufacture transformers with primary + secondary, double secondary, or triple secondary and any other type according to requirements of customer. • Cooling : according to EN/IEC 60076, ONAN, ONAF, KNAN, KNAF, OFAF • Tap Changer : OLTC or OFFCIRCUIT