High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer

A rectifier transformer, high-frequency and high-voltage technology, applied in the field of transformers, can solve the problems of increasing the design cycle and cost of high-power, high-frequency and high-voltage power supplies, and achieve the effects of convenient combination, increased magnetic circuit length, and low cost.

Inactive Publication Date: 2014-09-03
合肥雷科电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Especially the use of ultra-fine crystal cores requires custom-made protective casings, which increases the design cycle and cost of high-power high-frequency high-voltage power supplies

Method used

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  • High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer
  • High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer
  • High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer

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Embodiment 1

[0031] This example is a high-frequency transformer with a voltage of 10kV and a current of 3A, that is, a power capacity Po of 30kW. The working frequency of the transformer is 50kHz, the topology before the primary of the transformer adopts the full bridge mode, and the primary voltage U of the transformer is 500V.

[0032] Such as figure 1 , 2 As shown, the U-shaped ferrite core 11 of the ferrite composite core 10 adopts UF120C / 90 / 30, and its cross-sectional area Ae is 9.0cm 2 , the winding length of one side is 180mm, and the effective area of ​​the window winding is 104.4cm 2 , each of the two U-shaped ferrite cores 11 is joined with an elongated ferrite column 12 for one-to-one connection; The same is 60mm, and its cross-sectional area and shape are the same as those of the U-shaped ferrite core 11, and its total number is two, one on each side.

[0033] Such as figure 1 , 2 As shown, the wires of the primary winding 20 are evenly wound on the primary frame 21 , and ...

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Abstract

The invention relates to a high-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer. The rectifier transformer comprises a combined ferrite magnetic core. The combined ferrite magnetic core is sleeved with a primary winding and a secondary winding unit set in sequence from inside to outside. An insulating layer is arranged between the primary winding and the secondary winding unit set. The outer side of the combined ferrite magnetic core is connected and fixed through a supporting frame unit. According to the rectifier transformer, the modular and reconstructive combined type design thought is adopted, the length of a magnetic path, the window area of the magnetic core, the diameter of a primary wire and a secondary wire and the number of secondary commutating windings are increased according to the needed output of the total power of the transformer, and therefore floating high voltage or positive high voltage or negative high voltage output can be achieved.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a high-power floating high-voltage reconfigurable combined high-frequency high-voltage rectifier transformer. Background technique [0002] High-power high-voltage power supplies are commonly used in modern power supply equipment, and they have a wide range of uses. They have very important applications in energy conversion, particle generation and acceleration, lasers, and national defense. [0003] For the existing high-power high-frequency high-voltage power supply, there are many kinds of inverter methods. For different inverter methods, the requirements for high-frequency transformers are also different. The ultrafine crystal magnetic core commonly used in the existing high-power high-frequency high-voltage power supply has high saturation magnetic permeability and complicated processing technology. When using it, a protective shell must be added, while the commonly use...

Claims

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Application Information

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IPC IPC(8): H01F19/04H01F27/24H01F27/30H02M7/162
Inventor 邵康李运海
Owner 合肥雷科电子科技有限公司
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