IMPROVED MULTIPOLE RING WINDING Russian patent published in 2018 - IPC H01F27/29 H01F30/14 

Abstract RU 2665687 C2

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, to transformers with a rotating field, and can be used in multipolar transformers with a rotating field and semiconductor converters based on them. Invention provides a reduction in the number of taps, as well as minimization of the internal connections of the annular winding by combining groups of coils lying at opposite-pole poles, to the common section of the ring winding, which is commutated as part of the converter as a unit when the coil groups are successively coupled.

EFFECT: technical result is a reduction in the number of switched bends of the ring winding and the semiconductor keys required for this, possibility of using any number of magnetic poles in a transformer with a rotating field, simplifying the assembly technology.

1 cl, 9 dwg

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RU 2 665 687 C2

Authors

Abramov Sergej Stanislavovich

Ivlev Mark Leonidovich

Koptyaev Evgenij Nikolaevich

Dates

2018-09-04Published

2017-04-28Filed