Transformers

Leading Manufacturer, Supplier & Retailer of Converter Transformer, TRACKSIDE POWER TRANSFORMERS and Large Power Transformers.

Converter Transformer

voltages 6.6 to 33.0 KV

CG offers converter transformers, which operate at the fundamental frequency of an alternating system. These are designed for one or more output windings connected to the rectifier loads. We offer Induction Thyristor duty transformers suitable for 3 Pulse 6 Pulse 12 Pulse 18 Pulse drive configurations. It is possible to make major changes in the output current and voltage by using a transformer with a different rectifier configuration. Extra care is taken in design and manufacture of Induction Thyristor transformers due to the harmonics that are likely to appear in the transformer windings. These harmonics are likely to increase the stray losses in the transformer.

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TRACKSIDE POWER TRANSFORMERS

VOLTAGES 66 to 220 KV

The trackside power transformers are used for stepping down the voltage levels for the railway network. They are used to provide single phase supplies for train overhead systems. The duty of traction supplies transformers is a particularly difficult one, as overloading up to twice full-load current can appear. Furthermore, trackside transformers need to withstand system short-circuits which may be as high as 250 per year of varying magnitude up to full fault current. Height of the unit is reduced by mounting the active part horizontally. We have a wide range of uniquely designed products with advanced design technology to perform seismic and short-circuit conditions. These products are developed over the past experiences and high end technology for the manufacturing and quality tools. Thus these are cost-efficient with long operating life, providing a platform for customers delight.

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Large Power Transformers

VOLTAGES 11 to 765 kV
RATINGS 25 to 500 MVA

Large and medium power transformers are used to transmit the power in the grid and to distribute the power in the network. These transformers are usually applied to step down the voltage to the required level. The voltage regulation can take place either through off-circuit tap changers andor on-load tap changers.

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