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

Tri-lever boosting inverter

A three-level inverter technology, applied in the field of power electronics, can solve problems such as complex circuit topology, and achieve the effects of simplifying circuit topology, improving system efficiency, and large boost capacity

Inactive Publication Date: 2009-05-27
SHANGHAI JIAO TONG UNIV
View PDF0 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the circuit topology is still relatively complex, and a large number of switch tubes and clamping capacitors are used to achieve the effect of three-level inverter

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
  • Tri-lever boosting inverter
  • Tri-lever boosting inverter
  • Tri-lever boosting inverter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0034] Such as figure 1 As shown, this embodiment includes: power supply U i , the first inductor L1, the first switch tube S1, the diode D, the second switch tube S2, the first diode D1, the second diode D2, the first capacitor C1, the second capacitor C2, and the third switch tube S3 , the fourth switching tube S4, the fifth switching tube S5, the sixth switching tube S6, the output filter inductor L, and the output capacitor C, wherein:

[0035] The first diode D1 is connected in series with the first capacitor C1, the cathode of the first diode D1 is connected w...

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 discloses a three-level boost inverter in power electronic field. In the invention, a branch circuit consisting of a first diode and a first capacitor is connected in parallel with a branch circuit consisting of a second capacitor and a second diode and then is connected in parallel with a second switching tube to form a switched capacitor network, a third switching tube is connected with a fourth switching tube, a fifth switching tube is connected with a sixth switching tube, a branch circuit consisting of the third switching tube and the fourth switching tube and a branch circuit consisting of the fifth switching tube and the sixth switching tube are connected in parallel to form a single-phase inverting bridge network, the switched capacitor network produces a multi-level voltage and transmits the multi-level voltage to the inverting bridge network, a knot is drawn from a connecting part of the third switching tube and the fourth switching tube and is connected with an output filtering inductor, the output filtering inductor is connected with one end of an output capacitor, both ends of the output capacitor are connected in parallel with a load, and the voltage at both ends of the output capacitor is an output voltage. The three-level boost inverter also realizes effective direct-current voltage boost while realizing the conversion from the direct-current voltage to the multi-level voltage, and has remarkable boost capacity and adjustable boost transformation ratio.

Description

technical field [0001] The invention relates to a device in the technical field of power electronics, in particular to a three-level boost inverter. Background technique [0002] Inverter technology (DC-AC conversion) can convert electric energy converted from other new energy sources such as batteries, solar cells, and fuel cells into AC electric energy and grid-connected power generation, and multi-level inverters can provide higher voltage and higher capacity. Large inverter power supply has been widely used in many occasions. While realizing high voltage and large capacity, its performance has been greatly improved compared with ordinary two-level inverters (such as: good output waveform, The voltage stress that the device bears is small, the switching loss is low, etc.), and it has become a hot topic of research. Three-level inverter is the simplest and most practical type of multi-level inverter. Compared with the two-level inverter, the main advantages of the three-...

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): H02M7/48
Inventor 高飞李鹏飞潘俊民
Owner SHANGHAI JIAO TONG UNIV
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