Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High-voltage direct-current filtering device

A technology of high-voltage direct current and filtering devices, which is applied in the direction of output power conversion devices and electrical components to achieve the effect of improving quality

Inactive Publication Date: 2018-12-18
XJ POWER CO LTD +2
View PDF6 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-voltage direct current filter device for solving the problem of how to filter out the ripple noise of the high-voltage direct current output

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-voltage direct-current filtering device
  • High-voltage direct-current filtering device
  • High-voltage direct-current filtering device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] In order to effectively attenuate the ripple noise of the DC output of the high-voltage DC switching power supply system, thereby obtaining a high-quality DC output power supply with low ripple noise, the present invention provides a high-voltage DC filter device, which is compact in structure and safe Reliable, it can effectively reduce the ripple noise in the DC output of the high-voltage DC switching power supply system, and meet the performance requirements of some special high-voltage loads for high-quality output DC sources.

[0018] Such as figure 1 As shown, the high-voltage DC filter device includes a filter circuit unit, a high-voltage discharge circuit unit, a high-voltage DC positive input terminal XS01, a high-voltage D...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a high-voltage direct-current filtering device, comprising a filter circuit unit, a high-voltage bleeder circuit unit, a high-voltage direct-current positive and negative electrode input terminal and a high-voltage direct-current positive and negative electrode output terminal. The filter circuit unit comprises a common-mode filter circuit and a differential-mode filter circuit, and the high-voltage bleeder circuit unit comprises a bleeder branch; The positive and negative input terminals of the common mode filter circuit are connected with the positive and negative input terminals of the high voltage direct current, and the positive and negative output terminals of the common mode filter circuit are connected with the differential mode filter circuit. The differential mode filter circuit comprises a differential mode filter capacitor and a differential mode filter inductor, A positive electrode and a negative electrode of the differential mode filtering capacitor are connected to a common mode filtering circuit, a first connection terminal of the differential mode filtering inductor is connected to the negative electrode of the differential mode filteringcapacitor, a bleeding branch is connected between the positive electrode and the negative electrode of the differential mode filtering capacitor, and the positive electrode of the differential mode filtering capacitor and the second connection terminal of the differential mode filtering inductor are respectively connected to the output terminals of the positive electrode and the negative electrodeof the high voltage direct current. The invention improves the quality of the DC power supply by filtering the common-mode noise and the differential-mode noise output by the high-voltage DC power supply.

Description

technical field [0001] The invention relates to a high-voltage direct current filtering device, which belongs to the technical field of direct current filtering. Background technique [0002] In the high-voltage DC switching power supply system, the EMI filter applied to the high-voltage DC output is less utilized. With the development of science and technology, some special high-voltage loads have higher and higher requirements for the quality of the DC output power of the high-voltage DC switching power supply system, especially for the ripple noise of the high-voltage DC output. Contents of the invention [0003] The purpose of the present invention is to provide a high-voltage direct current filter device for solving the problem of how to filter out the ripple noise of the high-voltage direct current output. [0004] In order to solve the above-mentioned technical problems, the present invention provides a high-voltage DC filter device, which includes a filter circuit...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/14
CPCH02M1/14
Inventor 杨国杰皇利杰刘志远邹岩张公全刘天强常志国张明冉张省胡建超李振国冯进喜陈璐明李鹏军袁攀
Owner XJ POWER CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com