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

Dual-unit step-up switch converter

A boosted, soft-switching technology, applied in the conversion equipment with intermediate conversion to AC, DC power input converted to DC power output, instruments, etc., can solve the problems of loss and increase in loss, etc.

Inactive Publication Date: 2003-10-08
EMERSON NETWORK POWER CO LTD
View PDF1 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the auxiliary switch Sa is hard turned off, so there is a certain loss, especially when the power is large, the loss increases more

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
  • Dual-unit step-up switch converter
  • Dual-unit step-up switch converter
  • Dual-unit step-up switch converter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0020] see Figure 6 , The shown dual-unit boost soft switching converter includes a first main power switch S1, a second main power switch S2, a first inductor L1, an energy storage inductor Lf, first and second diodes D1, D2, and a first auxiliary diode Da, the second auxiliary diode Db, the resonant inductor Lr, the third auxiliary diode Da3 and the auxiliary switch Sa. The first and second main power switches S1 and S2 are connected across the positive and negative ends of the DC bus, and the energy storage inductor Lf is in series Connected between the input end of the positive end of the DC bus and the first main power switch S1, the first inductor L1 is connected in series between the first and second main power switches S1 and S2 at the positive end of the DC bus, and the second diode D2 is connected in series Between the seco...

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

A dual-unit step-up type soft switch converter is composed of two powr diodes, two resonance circuits, and an auxilairy switch. The soft cut-off of auxiliary switch, the soft on-off of power diode and zero-current cut-off of output rectifying diode are realized on the basis that two resonance capacitors whose voltage can not change suddenly and used.

Description

Technical field [0001] The invention relates to a double-unit boost type soft switching converter. Background technique [0002] For single-phase power factor correction circuits, people have carried out a lot of research in recent years and proposed many power factor correction circuits. Among them, the most researched is the boost power factor correction circuit. For example, document [1]: Chinese Patent CN98113189.1 "One A Kind of Soft Switching Topology Circuit"; Literature [2]: B. Miwa, D. Otthe, and M. Schlecht, "High efficiency power factor correction using interleaving techniques," in Apec'92, pp.557-568; Literature [3] Henrique ACBraga and Ivo Barbi, "A3-kW unity-power-factor rectifierbased on a two-cell boost converter using a new parallel-connectiontechnique," in IEEE Trans.on Power Elec., vol.14, no.1, pp .653-661, Jan. 1999; Literature [4] MSVilela, EAAColelho, JBVieira Jr., LCde Freitasand VJFarias, "A family of soft-switching converters with low stress of voltage a...

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
IPC IPC(8): H02M3/22H02M3/28
CPCY02B70/1491Y02B70/10
Inventor 史立生
Owner EMERSON NETWORK 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