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Photovoltaic power generation system for teaching

A photovoltaic power generation system and resistance technology, applied in teaching models, educational tools, instruments, etc., can solve problems affecting student experience, poor output waveform, etc.

Active Publication Date: 2021-02-05
LANGFANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes a photovoltaic power generation system for teaching, which solves the problems in the prior art that the output waveform of the photovoltaic power generation system for teaching is poor and affects the experience of students

Method used

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  • Photovoltaic power generation system for teaching

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Embodiment Construction

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all involve the protection scope of the present invention.

[0028] Such as Figure 1-Figure 2 As shown, the photovoltaic power generation system for teaching in this embodiment includes photovoltaic modules, DC / DC circuits and DC / AC circuits connected in sequence, the output end of the DC / AC circuit is used to connect to the grid, and the DC / DC circuit and DC / AC circuit Both are connected to the main control circuit, and also include a zero-crossing detection circuit. The zero-crossing detection circuit includes a comparison circuit...

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Abstract

The invention relates to the technical field of electronic circuits, and provides a photovoltaic power generation system for teaching. The system comprises a photovoltaic module, a DC / DC circuit and aDC / AC circuit connected in sequence, and further comprises a zero-crossing detection circuit; the output end of the DC / AC circuit is used for being connected with a power grid, the DC / DC circuit andthe DC / AC circuit are connected with a main control circuit, and the zero-crossing detection circuit comprises a comparison circuit and a filter circuit; the input end of the comparison circuit is used for being connected with a voltage sensor, and the filter circuit comprises a triode Q1, a triode Q2 and an NAND gate chip U2. According to the technical scheme, the problems that in the prior art,a photovoltaic power generation system for teaching is poor in output waveform, and student experience is affected are solved.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a photovoltaic power generation system for teaching. Background technique [0002] Today's society is facing extremely serious environmental pollution and energy shortages. Solar photovoltaic power generation has become the research object of various countries due to its inexhaustible advantages due to its high reliability and high cleanliness. . The purpose of teaching photovoltaic grid-connected power generation system is to provide students with a teaching experiment platform, so that they can understand solar energy as a new type of energy to provide energy and master the working principle of the system. Based on the observation and study of the entire platform, understand and be familiar with the development basis and installation precautions of the photovoltaic power generation system. The output waveform of the photovoltaic grid-connected power generation sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18H02J3/01H02J3/44
CPCG09B23/183G09B23/188H02J3/01H02J3/44Y02E40/40
Inventor 张亚如杜建宾侯亮朝陈贵峰
Owner LANGFANG NORMAL UNIV
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