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High-voltage pulse switch system and electrical dust collection device including the system

A high-voltage pulse and switch system technology, applied in the direction of electric pulse generator circuit, output power conversion device, electrical components, etc., can solve the problems that the driving mechanism cannot be copied, and the driving mechanism is different, so as to achieve light weight and lower price , the effect of reducing the total weight

Inactive Publication Date: 2018-11-16
浦项爱希谛科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, since the thyristor is a current-driven element and the IGBT is a voltage-driven element, the driving mechanism is different, so the driving mechanism of the high-voltage pulse system composed of thyristors cannot be copied and applied to the high-voltage pulse system composed of IGBTs.

Method used

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  • High-voltage pulse switch system and electrical dust collection device including the system
  • High-voltage pulse switch system and electrical dust collection device including the system
  • High-voltage pulse switch system and electrical dust collection device including the system

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Embodiment Construction

[0054] The meanings of the terms used in this specification should be understood as follows.

[0055] Unless clearly defined otherwise in the text, the singular includes the plural, and terms such as "first" and "second" are only used to distinguish one element from another, and the scope of the claims is not limited by these terms.

[0056] It should be understood that terms such as "comprising" or "having" do not exclude the possibility of the presence or addition of one or more other features or numbers, steps, acts, constituent elements, components or combinations thereof.

[0057] It should be understood that the term "at least one" is meant to include all combinations that can be provided by one or more of the associated items. For example, the meaning of "at least one of the first item, the second item and the third item" not only means the first item, the second item and the third item, but also means that the first item, the second item and the third item can be A comb...

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Abstract

A high voltage pulse switching system according to an aspect of the present invention using an IGBT driven by a voltage as a switching device includes: a resonance circuit part which generates a sinusoidal resonance current by being charged according to a voltage provided from a voltage source; and a plurality of switching parts which controls flow of the resonance current by being connected to each other serially. The switching part includes: a switching device comprising a power semiconductor switch and a diode connected in reverse-parallel with the power semiconductor switch; and a switching device control part which generates and applies a first gate signal maintaining the power semiconductor switch in an on state for a fixed time by being linked with a period of the resonance current.

Description

technical field [0001] The present invention relates to a high-voltage pulse switch system and a control method thereof. Background technique [0002] The high-voltage pulse switch system is a device that generates high-voltage pulses and is used in environmental equipment such as electrical dust collectors or deodorization systems. [0003] When the high-voltage pulse switching system is used in an electrical integrated device, the high-voltage pulse switching system applies a pulse voltage to the discharge electrode to generate a corona discharge through the discharge electrode, so that the anions are discharged in the air. The anions thus applied to the air surround the dust in the air and ionize the dust (-). [0004] The high voltage pulse switch system applies DC voltage to the dust collecting plate to move the ionized dust towards the dust collecting plate so that the anions go back to the power supply again through the dust collecting plate. Thereby, the dust which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M9/04H02M1/088B03C3/68
CPCB03C3/68H03K3/53
Inventor 金起穆韩炳昱金炯均
Owner 浦项爱希谛科技有限公司