FIELD: electricity.
SUBSTANCE: in the transformer, the primary or secondary side is optionally adjustable via a gear switch. On the adjustable side of the transformer, there is a main winding and at least one control winding, which is switched by a gear switch. The main winding is divided into two parts (1, 2). At least one control winding and a commuting step switch (3) are electrically connected between both parts (1, 2) of the main winding.
EFFECT: reducing the load on the semiconductor switching elements of the switch.
4 cl, 4 dwg
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