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

A high-gain Buck-Boost integrated inverter and a control method

An inverter and integrated technology, which is applied in the field of high-gain Buck-Boost integrated inverter and control, can solve problems such as complex control, and achieve the effects of high integration, simple structure, and convenient control

Active Publication Date: 2016-01-20
上海骋海新能源科技有限公司
View PDF4 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inverter has high efficiency, DC gain and integration, but the control is more complex

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
  • A high-gain Buck-Boost integrated inverter and a control method
  • A high-gain Buck-Boost integrated inverter and a control method
  • A high-gain Buck-Boost integrated inverter and a control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Such as figure 1 A high-gain Buck-Boost integrated inverter is shown, including capacitor C in , switch tube S 1 -S 4 , boost inductor L in , Diode D 1 and D 2 , the switching tube S 1 and S 2 connected in series to form the first bridge arm circuit, the switching tube S 3 and S 4 The second bridge arm circuit is formed in series, and the first bridge arm circuit and the second bridge arm circuit are connected in parallel to form a full bridge circuit; the switching tube S 1 and S 2 The junction point a is connected with a diode D 1 anode of the switching tube S 3 and S 4 The junction point b is connected with a diode D 2 anode of the diode D 1 and diode D 2The cathodes are commonly connected with the boost inductor L in at one end, the boost inductor L in The other end is connected with a capacitor C in positive terminal, the capacitor C in The negative poles of the switches are respectively connected to the switching tube S 2 and S 4 , a filter ci...

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 high-gain Buck-Boost integrated inverter and a control method. A switch tube S1 and a switch tube S2 in the inverter are in series connection to form a first bridge arm circuit. A switch tube S3 and a switch tube S4 are in series connection to form a second bridge arm circuit. The first bridge arm circuit and the second bridge arm circuit are in parallel connection to form a full-bridge circuit. A junction point a of the switch tube S1 and the switch tube S2 is connected to an anode of a diode D1. A junction point b of the switch tube S3 and the switch tube S4 is connected to an anode of a diode D2. Cathodes of the diode D1 and the diode D2 are together connected to one end of a boost inductor Lin. The other end of the boost inductor Lin is connected to one end of a capacitor Cin. A filter circuit is also connected between the junction point a and the junction point b. When the inverter of the present invention is compared with a traditional full-bridge inverter, only two diodes and one boost inductor are added to the inverter of the invention; the inverter of the invention employs one-pole frequency multiplication SPWM modulation so as to simultaneously realize a direct current voltage pumping function and an inversion function. Accordingly, the inverter has advantages of high efficiency, a high integrated level, convenient control, a simple structure, low cost, etc.

Description

technical field [0001] The invention relates to an inverter and a control method thereof, in particular to a high-gain Buck-Boost integrated inverter and a control method thereof. Background technique [0002] In the case of an inverter with low input DC voltage, in order to ensure stable output of AC power, the inverter needs to have a higher boost capability. At present, the inverters with boost function mainly include: Z-source inverters, differential inverters (such as dual Boost inverters), and active buck-boost inverters, most of which have low efficiency and components Disadvantages such as large quantity, low integration, complex control, and insufficient DC gain. To this end, scholars such as H. Ribeiro proposed a high-gain Boost integrated inverter, which integrates the Boost converter and the traditional full-bridge inverter by sharing power devices, and realizes DC voltage through nonlinear single-cycle control. of pump liters. The inverter has higher efficien...

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): H02M7/5387H02M1/12
Inventor 秦岭胡茂孔笑笑罗松候虚虚冯志强
Owner 上海骋海新能源科技有限公司
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