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Introduction to the knowledge and practice of the principle design and construction of solar photovoltaic cell and photovoltaic system electric power generation applications

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Introduction to Solar Photovoltaic Power Generation

PN junction and photovoltaic effect

September 9, 2021September 9, 2021 admin
PN junction and photovoltaic effect

The effect of a beam of light on a semiconductor is quite different from that of other objects. There are a lot of free electrons in

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Introduction to Solar Photovoltaic Power Generation

Semiconductor and PN junction

September 1, 2021September 1, 2021 admin
Semiconductor and PN junction

Objects can be roughly divided into conductors, semiconductors and insulators according to their conductivity. Let’s talk about semiconductors in detail below. Pure semiconductor materials are

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Introduction to Solar Photovoltaic Power Generation

Solar irradiance and the influence of solar activity on the earth

September 1, 2021September 6, 2021 admin
Solar irradiance and the influence of solar activity on the earth

On the plane where the upper boundary of the atmosphere is perpendicular to the light, the solar irradiance is basically a constant, but on the

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Introduction to Solar Photovoltaic Power Generation

Solar spectrum and solar radiation

September 1, 2021September 1, 2021 admin
Solar spectrum and solar radiation

In order to describe solar energy quantitatively, some concepts need to be introduced. When the earth is located at the average distance between the sun

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Introduction to Solar Photovoltaic Power Generation

The structure of the sun and its radiation to the earth

August 31, 2021September 1, 2021 admin
The structure of the sun and its radiation to the earth

It is generally believed that the sun is a huge gas mass under high temperature and high pressure, which can be divided into 6 regions

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Introduction to Solar Photovoltaic Power Generation

Solar radiation and solar applications

August 31, 2021September 1, 2021 admin
Solar radiation and solar applications

1. Human activities and solar radiant energy Everything grows by the sun. The energy needed for human production and life, such as oil, coal, wind energy, ocean tidal

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"Silicon particles" solar cells Advantages of solar photovoltaic power generation Air quality Application of small independent solar battery system Astronomical solar radiation Aurora phenomenon Built-in electric field Carrier lifetime and diffusion length Carrier mobility Characteristics of solar cells Classification of solar cells Commissioning of equipment and systems Composition of the grid-connected photovoltaic system circuit Construction of large-scale photovoltaic grid-connected system Conventional solar cell module structure Direct radiation Electron-hole pairs Heterojunction solar cell Human activity and energy Ideal photovoltaic material Intrinsic Semiconductor Key link in the long-life utilization of solar cells Law of Sun and Earth Movement Magnetic storm Market distribution of different types of solar cells Monocrystalline silicon solar cell NPC cells Open circuit voltage Photoelectric conversion efficiency of solar cells Photogenerated carriers Photovoltaic effect PN junction Polycrystalline silicon solar cell Requirements of the back material TPT composite film Scattered radiation Semiconductor light absorption Several commonly used batteries Solar constant Solar irradiance Solar radiant energy Solar spectrum The first commercial thin film battery The layered structure of the sun Thin film solar cell Volt-ampere characteristic curve of solar cell

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