A double-loop control method for a single-phase lcl type grid-connected inverter
A double-loop control and inverter technology, which is applied in the direction of single-network parallel feeding arrangement, AC network circuit, circuit device, etc., can solve the problems that the parameters of PR controller are difficult to adjust, and the influence of external interference system performance cannot be adaptively adjusted. , to achieve the effect of improving system stability, good tracking effect and improving control precision
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0043] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0044] The single-phase LCL type grid-connected inverter system is shown in 1, including the DC input voltage source U connected in sequence dc, Single-phase inverter (including switching tubes Q1-Q4) based on high-frequency switching pulse width modulation control, LCL filter (including the inductor L connected to the inverter bridge side 1 , filter capacitor C and inductance L connected to the grid 2 ), and used to detect the filter capacitor branch current i c and incoming current i grid The input detection transmitter, where Us is the grid-connected voltage, r 1 、r 2 is the e...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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