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Zero transformer

A technology of transformer and low-voltage side, applied in the direction of transformer/inductor coil/winding/connection, electrical component structure association, etc., it can solve the problems such as the inability to set any external equipment at the zero point and the inability to make full use of favorable features.

Inactive Publication Date: 2005-02-23
黄群
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing transformers, the zero point of the star connection of the winding is generally set inside the outer casing of the transformer, so that no external equipment can be installed on the zero point, so that many advantageous features of the star connection zero point cannot be fully utilized.

Method used

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Embodiment Construction

[0008] When the zero-point transformer is actually implemented, the technical standards of ordinary transformers can generally still be used. For some additional leads, in order to safely lead the low-voltage end or end of the winding to the fuel tank cover, the same insulating sleeve and the same conductor should be used for the lead-out wires of the low-voltage end of the winding as the lead-out wires of the high-voltage end of the same winding materials to ensure that the low-voltage terminals can work normally in various operating states of the transformer.

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Abstract

The transformer of zero point with star connected coil is different from the existed transformer. The low voltage end of the coil is connected with the cap of the oil tank of the transformer, in this way, the high voltage ends of the primary and the subsidiary coils are still connected with the outer electric network through the isolating switch. The low voltage end of the primary and the subsidiary coils are configured as the zero point of the primary and the subsidiary, for installing other devices.

Description

(1) Technical field: [0001] The invention relates to a transformer in which the primary and / or secondary windings of multiple outlets are star-connected. (two) background technology: [0002] In the existing transformers, the zero point of the star connection of the winding is generally set inside the transformer shell, so that no external equipment can be installed on the zero point, so many advantageous features of the star connection zero point cannot be fully utilized. (3) Contents of the invention: [0003] The zero-point transformer provided by the present invention is a transformer in which the primary or / and secondary windings of multiple terminals are star-connected. It not only connects the primary and secondary windings of each star-connected winding of the transformer to The high-voltage end, the head end, is still used as the lead-out end of each winding to the oil tank cover of the transformer, and the low-voltage end of each winding, that is, the end, is als...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28H01F27/40
Inventor 黄群
Owner 黄群