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Novel high-frequency and high-voltage power supply for electrostatic precipitation

A high-frequency high-voltage power supply, electrostatic dust removal technology, applied in electrostatic separation, power supply technology and other directions, can solve problems such as high power, and achieve the effect of high power and good reliability

Inactive Publication Date: 2010-07-07
ZHEJIANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a new type of high-frequency high-voltage power supply for electrostatic dust removal, which can overcome the shortcomings of traditional power frequency power supplies and the shortcomings of existing high-frequency power supplies, and has good reliability and high power.

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  • Novel high-frequency and high-voltage power supply for electrostatic precipitation
  • Novel high-frequency and high-voltage power supply for electrostatic precipitation
  • Novel high-frequency and high-voltage power supply for electrostatic precipitation

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Embodiment Construction

[0020] Such as Figure 1 to Figure 5 As shown, a new high-frequency high-voltage power supply for electrostatic dust removal includes a rectifier module 1, a load module 2, and several parallel power conversion circuit modules 3 arranged between the rectifier module 1 and the load module 2. The rectifier module 1 A control loop module 4 is also provided between the load module 2 . The rectification module 1 includes a power distribution switch 11 , a three-phase power frequency rectifier 12 connected to the power distribution switch 11 , and a filter 13 connected to the three-phase power frequency rectifier 12 . The power conversion circuit module 3 includes an IGBT full-bridge inverter 31 , a series-parallel resonant element 32 , a high-frequency step-up transformer 33 , and a high-frequency rectifier bridge 34 . The control loop module 4 includes a DSP chip 41 and a resonant converter control circuit 42 to form a two-stage control structure. The DSP chip 41 is provided wit...

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Abstract

The invention provides a novel high-frequency and high-voltage power supply for electrostatic precipitation, which comprises a rectifier module, a load module, a plurality of parallel power conversion circuit modules and a control loop module, wherein the parallel power conversion circuit modules and the control loop module are arranged between the rectifier module and the load module. The new high-frequency and high-voltage power supply for the electrostatic precipitation can overcome the defects of the traditional power-frequency power supply and the existing high-frequency power supply, and has good reliability and large power.

Description

technical field [0001] The invention relates to a novel high-frequency high-voltage power supply for electrostatic dust removal. Background technique [0002] With the continuous improvement of my country's industrialization scale, serious air pollution problems have been brought about. High-voltage electrostatic precipitators for industrial dust pollution control have attracted more and more attention because of their high dust removal efficiency, low energy consumption, and convenient maintenance and management. The high-voltage power supply is the core part of the electrostatic precipitator. Its power supply mode, operation mode and control mode have an important impact on the dust removal efficiency and operation stability of the electrostatic precipitator. At present, the high-voltage power supply used by the electrostatic precipitator basically adopts a single-phase thyristor power frequency phase-controlled power supply, and the disadvantage of this power supply is ob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C3/66B03C3/68
Inventor 张浩然丘杰凡
Owner ZHEJIANG NORMAL UNIVERSITY
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