Outlet structure of high-voltage winding of transformer and transformer

Abstract

The invention discloses a transformer high-voltage winding outlet structure and a transformer, wherein the transformer high-voltage winding outlet structure includes at least two sets of high-voltage windings arranged close to the iron core, and a low-voltage winding corresponding to the high-voltage windings and sleeved outside the high-voltage windings , the head end, the end end and the tap lead of the high voltage winding are all led out towards the top or bottom of the high voltage winding along the axis direction of the high voltage winding. Compared with the existing technology, the lead wire of the low-voltage winding does not need to be drawn from the middle of two adjacent high-voltage windings, so the axial distance between two adjacent high-voltage windings is reduced, the height of the entire transformer is reduced, and the iron core is saved The amount of silicon steel sheet is reduced, thereby reducing the energy consumption and cost of the transformer.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to an outlet structure of a high-voltage winding of a transformer and a transformer. Background technique [0002] With the continuous deepening and development of the application of AC frequency conversion speed regulation technology, the supporting transmission rectifier transformer is also constantly changing, from a simple double-winding rectifier transformer to a double-split rectifier transformer, and then to a three-crack rectifier transformer. The structure is becoming more and more complicated, and the outlet way of the winding is also more complicated, which increases the difficulty of design and manufacture, and also increases the cost of the transformer. [0003] The current transformer windings are usually arranged in such a way that the iron core side is a low-voltage winding, and a high-voltage winding is placed outside the low-voltage winding. Since the lead-out...

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Problems solved by technology

[0002] With the continuous deepening and development of the application of AC frequency conversion speed regulation technology, the supporting transmission rectifier transformer is also constantly changing, from a simple double-winding rectifier transformer to a double-split rectifier transformer, and then to a three-crack rectifier transformer. The structure is becoming more and more complicated, and the way of winding wires is also more complicated, which increases the difficulty of design and manufacture, and also increases the cost of the transformer

[0003] The current transformer windings are usually arranged in such a way that the iron core side is a low-voltage winding, and a high-voltage winding is placed outside the low-voltage winding. Since the lead-out wire of the low-voltage winding is drawn from the middle of two adjacent high-voltage windings, it is necessary to increase the two-phase winding. The axial distance between the adjacent high-voltage windings, in order to ensure that the magnetic centers of the high-voltage and low-voltage windings are consistent, correspondingly, the axial distance between two adjacent low-voltage windings will also increase, resulting in an increase in the height of the entire transformer. Increase the energy consumption of the transformer and increase the cost

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