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The Design of Grid-connected Photovoltaic Inverter Based on the Isolated of Line Frequency

Author: JinJieHong
Tutor: XuNing
School: Hefei University of Technology
Course: Power Electronics and Power Drives
Keywords: Solar cell
CLC: TM464
Type: Master's thesis
Year: 2009
Downloads: 639
Quote: 4
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Abstract


The solar energy as the current human ideal environmental protection is one of the new energy, has been the human more and more widely used. And photovoltaic (pv) grid inverter is solar grid generation system one of necessary equipments. Photovoltaic (pv) grid inverter is the solar cell output dc converted to conform to the requirements of the alternating current (ac) and public power grid into electricity grid equipment. According to different standard photovoltaic (pv) grid inverter topology is divided into a lot of kinds, this paper introduces a kind of power frequency isolation photovoltaic (pv) grid inverter. This paper introduces the system of the main circuit and control circuit of the hardware circuit design, component selection and parameter selection, this paper describes in detail the grid inverter control mode, and all kinds of comparison. Control panel to freescale fast digital signal processing chip and f8036 for master control chip, introduces the functions and characteristics of the chip, the analysis of system software design, including SVPWM wave formation, MPPT (maximum power point tracking) and reverse island detection technology, etc. Finally, the system can make the experiment, the experimental results show that the system all the indicators have reached the design requirements.

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Converter > Inverter
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