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Earthing Transformers: Earthing transformers up to 2 MVA to 33 kV - Earthing transformers are used to create a neutral point in a three-phase system, which provides possibility for neutral earthing. The earthing can be through an arc-suppression reactor, a neutral earthing reactor or resistor or directly in these earth transformers. Earthing transformers are usually oil immersed and may be installed outdoor. In cases where a separate reactor is connected between the earth transformer neutral and earth, the reactor and the transformer can be incorporated in the same tank.
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