1 pce three-phase oil filled rectifier transformer arrangement
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designed for outdoor installation and includes two rectifier transformers
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in double tier design and two interphase transformers as well
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as the OFAF cooling equipment, protection and monitoring auxiliaries.
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The primary of the one tier of the rectifier transformer is
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arranged in star connection, the primary side of the other tier
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in delta connection. This way the transformer combinations has a
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12-pulse phase effect. The connection is therefore Ya0 + Yy0y6 + Dy5y11. |