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High-frequency high-voltage power supply for capacitive loads

A high-frequency high-voltage power supply and capacitive load technology, which is applied to electrical components, output power conversion devices, and AC power input to AC power output. It can solve the problems of lack of dedicated capacitive load high-frequency high-voltage device power supply, etc. Achieve the effect of preventing oscillation and reducing stray inductance

Pending Publication Date: 2016-10-12
BEIJING JINGDAWANXIANG ENVIRONMENTAL PROTECTION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention expects to provide a capacitive load high-frequency high-voltage power supply, which can solve the problem of lacking a dedicated capacitive load high-frequency high-voltage device power supply in the prior art

Method used

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  • High-frequency high-voltage power supply for capacitive loads
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  • High-frequency high-voltage power supply for capacitive loads

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Embodiment Construction

[0032] In order to illustrate the embodiments and technical solutions of the present invention more clearly, the technical solutions of the present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0033] see figure 1 , is a schematic structural diagram of a capacitive load high-frequency high-voltage power supply provided in Embodiment 1 of the present invention, wherein a rectifier unit 1, a filter unit 2, a full-bridge inverter unit 3, a drive unit 4, a control unit 5 and a surge absorption unit 6;

[0034] The rectifying unit 1, the filtering unit 2, and the full-bridge inverter unit 3...

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PUM

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Abstract

The invention provides a high-frequency high-voltage power supply for capacitive loads. The high-frequency high-voltage power supply comprises a rectification unit, a filtering unit, a full bridge inversion unit, a driving unit, a control unit and a surge absorption unit, wherein the rectification unit, the filtering unit and the full bridge inversion unit are respectively and electrically connected with the driving unit and the control unit, and the surge absorption unit is electrically connected with the rectification unit. Since the control unit and the driving unit are electrically connected, stray inductance in a main circuit is reduced to prevent stray inductance and buffering capacitance from generating concussion. The control unit employs a highly smart and highly stable digitalized circuit and provided with smart protection functions against over-current, over-voltage, under-current, under-voltage, excessive high temperature and IGBT fault.

Description

technical field [0001] The invention relates to the technical field of special power supplies, in particular to a capacitive load high-frequency high-voltage power supply. Background technique [0002] In the prior art, capacitive load high-frequency and high-voltage devices are mainly used in advanced oxidizing gases. Specifically, advanced oxidizing gases are related to sewage treatment, hospital disinfection, food quality preservation, and so on. Since advanced oxidizing gases are not easy to store, they usually need to be prepared on site. Capacitive load The load characteristics of high-frequency and high-voltage devices are different from common inverter loads, and there are many problems to be studied in the design of high-frequency and high-voltage power supplies. In the prior art, very few involve capacitive power supplies. Although there are more detailed discussions on the power topology and control scheme, it is not comprehensive. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H02M5/458H02M1/34
CPCH02M1/34H02M5/458
Inventor 刘新旺毕凤燕许俊豪
Owner BEIJING JINGDAWANXIANG ENVIRONMENTAL PROTECTION CO LTD
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