Transformer for safely and symmetrically converting two-phase alternating-current high voltage into three-phase mains supply
A mains power supply and transformer technology, applied in the field of transformers, can solve problems such as inconvenience in use, and achieve the effects of solving inconvenience in use and simple structure
Active Publication Date: 2022-02-15
GUANGDONG SIHUI INSTR TRANSFORMER WORKS
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Problems solved by technology
[0003] The invention provides a transformer for safely and symmetrically converting two-phase AC high voltage into a three-phase mains power supply, which can solve the problem of inconvenient use of existing oil-immersed transformers in some outdoor environments
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[0043] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0044] The embodiment of the present invention provides a transformer for safely and symmetrically converting two-phase AC high voltage into three-phase mains power supply, such as figure 1 As shown, it includes: an upper clamping block 1, a lower clamping block 11, an iron core 12, a coil 13 and an insulating assembly 2, the coil 13 is wound outside the iron core 12, and the upper clamping block 1 is fixedly arranged on the The upper end of the iron core 12, the lower clamping block 11 is fixedly arranged on the lower end of the iron core 12, the insulating assembly 2 includes an intermediate insulating sheet 21 and an outer insulating sheet 22, and the intermediate...
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The invention provides a transformer for safely and symmetrically converting a two-phase alternating-current high voltage into a three-phase mains supply. The transformer comprises an upper clamping block, a lower clamping block, an iron core, a coil and an insulating assembly; the coil is wound on the outer side of the iron core; the upper clamping block is fixedly arranged at the upper end of the iron core, and the lower clamping block is fixedly arranged at the lower end of the iron core; the insulating assembly comprises a middle insulation sheet and an outer side insulation sheet. The middle insulation sheets are fixedly arranged between the adjacent iron cores, and the outer insulation sheets are fixedly arranged on the upper sides and the lower sides of the iron cores. According to the transformer, the problem that an existing oil-immersed transformer is inconvenient to use in some outdoor environments is solved.
Description
technical field [0001] The invention relates to the technical field of transformers, in particular to a transformer for safely and symmetrically converting a two-phase AC high voltage into a three-phase commercial power supply. Background technique [0002] In the process of railway electrification in our country, Scott connection transformers are needed. At present, most of the Scott connection transformers used in my country are oil-immersed transformers. Because oil-immersed transformers have the characteristics of low maintenance cost and long service life, they are obtained. widely used. However, when the oil-immersed transformer is in use, both the iron core and the winding need to be immersed in the oil tank filled with transformer oil. Therefore, special attention should be paid to the safety of the oil tank during use. Once corrosion occurs, it will easily cause disasters. For the use environment The safety requirements are higher, and there is a problem of inconven...
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Patent Timeline
Login to View More IPC IPC(8): H01F27/30H01F27/26H01F27/02H01F27/06H01F27/08H01F27/24H01F27/32H01F30/12
CPCH01F27/266H01F27/306H01F27/02H01F27/085H01F27/24H01F27/324H01F30/12H01F27/06
Inventor 张树华卢建谊徐梁山莫敬辉钟志恒曾定
Owner GUANGDONG SIHUI INSTR TRANSFORMER WORKS