Article 37. Neutral grounding transformer1. There are high voltage windings of transformers, three-phase or three (3) single-phase transformers connected to the transmission grid to match the picture stars have neutral point suitable for direct ground connection.2. The ground connection of the high voltage windings and connection diagram low voltage windings of the transformer must ensure the value of the coefficient of the ground does not exceed the value prescribed in article 12 of this circular.
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