Three-phase gas voltage transformer
A technology of voltage transformers and transformers, applied in the direction of inductors, transformers, transformer/inductor coils/windings/connections, etc., can solve problems such as difficult performance, high cost, and large volume, and achieve low cost and high performance Easy, Small Effects
Inactive Publication Date: 2014-01-08
BAODING TIANWEI TRANSFORMER CO LTD
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Problems solved by technology
[0002] At present, most of the traditional SF6 gas voltage transformers are single-phase, even the three-phase integrated voltage transformers are of integral structure, generally large in size, high in cost, and difficult to meet the performance requirements
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[0010] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.
[0011] A three-phase gas voltage transformer, comprising a body 1, a tank body 2 and a pot insulator 3, the body is composed of three single-phase voltage transformer bodies, each single-phase voltage transformer body It consists of a primary winding, a secondary winding, an iron core and a shield; the central conductor of the pot insulator is connected to the primary winding in each single-phase voltage transformer body, and a tank is arranged above the body. The bodies of the three single-phase voltage transformers are the three phases A, B, and C of the three-phase gas voltage transformer, and the arrangement of the three phases A, B, and C adopts high-voltage shielding of the three phases A, B, and C. relative position between them.
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The invention relates to a three-phase gas voltage transformer, in particular to an SF6 gas voltage transformer, and belongs to the technical field of instrument transformer manufacturing. According to the technical scheme, the three-phase gas voltage transformer comprises a transformer body (1), a tank (2) and a basin-type insulator (3), the transformer body is composed of three single-phase voltage transformer bodies, each single-phase voltage transformer body is composed of a primary winding, a secondary winding, an iron core and a shielding part, a center conductor of the basin-type insulator is connected with the primary winding of each single-phase voltage transformer body, and the tank body is arranged above the transformer body. The relative position of a high-voltage shielding phase A, a high-voltage shielding phase B and a high-voltage shielding phase C is adopted in the arrangement method of a phase A, a phase B and a phase C. The three-phase gas voltage transformer has the advantages that the defect that most traditional SF6 gas voltage transformers are single phase is overcome, the three phases are arranged based on the relative position of the high-voltage shielding phases, and the three-phase gas voltage transformer has the advantages of being small in size, low in cost and capable of meeting the requirements for performance easily.
Description
technical field [0001] The invention relates to a three-phase gas voltage transformer, in particular to an SF6 gas voltage transformer, and belongs to the technical field of transformer manufacturing. Background technique [0002] At present, most of the traditional SF6 gas voltage transformers are single-phase. Even the three-phase integrated voltage transformers are of integral structure. Generally, they are large in size, high in cost, and difficult to satisfy in performance. How to realize the best three-phase arrangement, small size, low cost and high performance under the premise of three-phase integration has become a technical problem to be solved urgently in this field. Contents of the invention [0003] The object of the present invention is to provide a three-phase gas voltage transformer with small volume, low cost and high performance, which can solve the above-mentioned problems in the background technology. [0004] The technical solution of the present inv...
Claims
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Login to View More IPC IPC(8): H01F38/38H01F38/26H01F27/28H01F27/36
Inventor 刘秀凤王文娣孙红萍孟令魏理明于昕
Owner BAODING TIANWEI TRANSFORMER CO LTD