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Subject: the primary current transformer connection “P1“ of the bushing and the primary current transformer “P2“ of the transformer winding electr.eng. Provided that there are no customer requests to the contrary, when installing current transformers into transformers the primary current transformer connection “P1“ of the bushing and the primary current transformer “P2“ of the transformer winding are to be co-ordinated. As a result the current direction P1-P2 is the same as the bushing-winding direction.
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