Photovoltaic system maximum power point tracing method
A maximum power tracking and maximum power point technology, applied in photovoltaic power generation, control/regulation systems, instruments, etc., can solve the problem of uncontrollable rate of voltage loop desaturation, insufficient power limit stability of full-load output power, and low power limit accuracy. higher question
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0044] Photovoltaic system includes photovoltaic plate, DC / DC module (BOOST step-up unit), DC / AC inverter module, as attached image 3 , 4 As shown, the output value V of the MPPT_Limit loop with limited power mppt As a given value of the voltage loop, the voltage value of the photovoltaic plate U PV As the feedback value of the voltage loop, the output I of the voltage loop L_ref As the given value of the current loop, the output current value of DC / DC I boost As the feedback value of the current loop, the PWM signal of the output value of the current loop generates a driving signal through the PWM generator to act on the switching tube of the DC / DC module.
[0045] The maximum power point tracking method of the photovoltaic system comprises the following steps:
[0046] Step S1: Obtain the power value P of the photovoltaic system in real time, where the power value P of the photovoltaic system is the output voltage U of the photovoltaic module PV with output current I ...
Embodiment 2
[0067] The photovoltaic system includes photovoltaic plates and DC / AC inverter modules, as attached Figure 5 As shown, the output value V of the MPPT_Limit loop with limited power mppt As a given value of the voltage loop, the voltage value of the photovoltaic plate U PV As the feedback value of the voltage loop, the output I of the voltage loop L_ref As the given value of the current loop, the output current value of DC / AC I out As the feedback value of the current loop, the PWM signal of the output value of the current loop generates a driving signal through the PWM generator to act on the switching tube of the DC / AC module.
[0068] The maximum power point tracking method of the photovoltaic system comprises the following steps:
[0069] Step S1: Obtain the power value P of the photovoltaic system in real time, where the power value P of the photovoltaic system is the output voltage U of DC / AC out with output current I out The product of P=U out *I out ;
[0070]St...
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