Distribution Transformers

Oil-immersed, dry-type (cast-resin) Distribution Transformers and Voltage Regulators

General Information

Description

Oil-immersed distribution transformer, Cast-resin transformer GEAFOL and voltage regulator

Distribution Transformers provide the necessary power for systems and buildings on the last transformation step from the power station to the consumer. Accordingly, their operation must be reliable, efficient and at the same time silent.

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Product Information

Voltage Regulators

Maintenance of voltage level with Voltage Regulators

Description
Details

Siemens invented the Voltage Regulator in 1932 and pioneered its use in the USA. Voltage Regulators are used to ensure that a desired level of voltage is maintained at all times. A Voltage Regulator comprises a tapped autotransformer and a tap changer.

Rated voltage – single phase: 2.5 to 19.9 kV

Rated voltage – three phase: 13.2 to 34.5 kV

Advantages / characteristics:
Voltage regulators are oil-immersed and can be 1-phase or 3-phase. They may be self-cooled or forced-air-cooled and they can be used in any electrical system to improve voltage quality.