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Constant-current high-voltage DC power supply

A DC power supply, constant current and high voltage technology, which is applied in the direction of power supply technology, electrostatic separation, and adjustment of electric variables, etc., can solve the problems affecting the dust removal effect, achieve the effects of improving the dust removal effect, suppressing spark flashover discharge, and high efficiency

Inactive Publication Date: 2007-08-08
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI +1
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  • Abstract
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Problems solved by technology

The back corona prevents the migration of charged particles of the same polarity, thus greatly affecting the dust removal effect

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.

[0030] Please refer to Fig. 1 first. Fig. 1 is a schematic block diagram of the structure principle of the embodiment 1 of the constant-current high-voltage DC power supply of the present invention, which is a constant-current high-voltage DC power supply with a stepless voltage regulating device. DC power supply, including LC constant current component 1 and high-voltage rectification device 2, is characterized in that there is a stepless voltage regulation between the first phase line and the second phase line connected between the constant current component 1 and the high-voltage rectification device 2 device.

[0031] The stepless voltage regulating device is composed of a power regulating device 4 and a power regulating controller 5, the two-phase line ends o...

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Abstract

A constant-current high-voltage DC power supply includes constant-current component and high-voltage rectifier device, characterized by that between the first phase line and the second phase line which connecting with the said constant-current component and high-voltage rectifier device, there are the step-less voltage booster and / or the intermittent power supply installation. The constant-current high-voltage DC power supply of the invention has the functions of step-less output voltage regulation and the intermittent power supply, with easy regulation, reliable usage, and it can effectively improves the dust cleaning efficiency of the dust catcher, with best effect.

Description

technical field [0001] The invention relates to electrostatic dust removal, in particular to a constant-current high-voltage DC power supply applied to electrostatic dust removal. Background technique [0002] The existing constant-current high-voltage DC power supply for electrostatic deposition precipitators is composed of constant-current components. The constant current component is generally composed of 4 to 10 constant current devices. The adjustment of the output voltage depends on the superposition of constant current devices, that is, the output voltage is adjusted by using the principle of current and voltage superposition. The superposition of constant current devices is a step-by-step Obviously, the adjustment form of this output voltage is also stepped, that is, it is not continuously adjusted. [0003] The electrostatic precipitator used for electrostatic deposition, in the process of voltage increase, the precipitator first generates corona current, when the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56B03C3/68
Inventor 陈宇渊王治安李永香张军峰
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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