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Scott transformer

A technology of transformers and single-phase transformers, applied in the field of transformers, can solve the problems that transformers cannot meet industrial applications, do not have the function of three-phase to two-phase vector transformation, and the power supply device is too large, and achieve simple structure, small footprint, Use cost-effective effects

Inactive Publication Date: 2013-01-16
YIXING XINGYI SPECIAL TRANSFORMER
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  • Description
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AI Technical Summary

Problems solved by technology

[0002] The transformers widely used nowadays are mainly three-phase or single-phase transformers. The above-mentioned transformers do not have the vector conversion function of three-phase to two-phase, and cannot change the three-phase input voltage into two-phase independent single-phase output voltage. The three-phase input power supply Directly supply power to two-phase industrial electric furnace
Therefore, for some production equipment that requires three-phase power supply directly to two independent heaters, it is necessary to basically maintain the balance of the input grid. At the same time, in order to reduce production costs and make the equipment structure reasonable, the power supply device is not allowed to be too large. Transformers cannot meet the requirements of industrial applications

Method used

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  • Scott transformer

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] Such as figure 1 Shown: a Scott transformer, including a transformer mounting frame 1 made of channel steel, in the middle of the transformer mounting frame 1 is provided with an iron core 2 fixedly installed in the transformer mounting frame 1, on both sides of the iron core 2 A first transformer 3 and a second transformer 4 located in the transformer installation frame 1 are respectively provided. The first transformer 3 and the second transformer 4 are all single-phase transformers, wherein the high-voltage winding end of the first transformer 3 is connected to the end of the second transformer 4. The center point of the high voltage winding is connected or the end of the high voltage winding of the second transformer 4 is connected with the center point of the high voltage winding of the first transformer 3 .

[0014] In the present inventio...

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Abstract

The invention discloses a Scott transformer which comprises a transformer mounting frame (1). The Scott transformer is characterized in that an iron core (2) fixedly mounted in the transformer mounting frame (1) is arranged in the middle of the transformer mounting frame (1), a first transformer (3) and a second transformer (4) are arranged on two sides of the iron core (2) respectively, a high-voltage coil tail of the first transformer (3) is connected with a high-voltage coil central point of the second transformer (4), or a high-voltage coil tail of the second transformer (4) is connected with a high-voltage coil central point of the first transformer (3). By arranging the two independent transformers on the two sides of the iron core and connecting the high-voltage coil tail of one transformer with the high-voltage coil central point of the other transformer, the objective that a three-phase power source powers a two-phase industrial electric furnace is realized, and the Scott transformer is simple in structure, small in occupied area, convenient to use, economical, efficient and widely suitable for equipment needing two equal single-phase loads.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a Scott transformer which converts a three-phase input power supply into a two-phase independent single-phase output power supply. Background technique [0002] The transformers widely used nowadays are mainly three-phase or single-phase transformers. The above-mentioned transformers do not have the vector conversion function of three-phase to two-phase, and cannot change the three-phase input voltage into two-phase independent single-phase output voltage. The three-phase input power supply Directly supply power to two-phase industrial electric furnaces. Therefore, for some production equipment that requires three-phase power supply directly to two independent heaters, it is necessary to basically maintain the balance of the input grid. At the same time, in order to reduce production costs and make the equipment structure reasonable, the power supply device is not allowed t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F30/14H01F27/28H01F27/30
Inventor 聂永铭于兴益于小军
Owner YIXING XINGYI SPECIAL TRANSFORMER
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