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solar photovoltaic cell system electric power generation application

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

Carrier lifetime, mobility and diffusion length

September 18, 2021September 18, 2021 admin
Carrier lifetime, mobility and diffusion length

Carrier lifetime refers to the average survival time of non-equilibrium carriers before recombination, which is the abbreviation for non-equilibrium carrier lifetime. In the case of

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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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  • Secondary system debugging of photovoltaic system
  • Inverter debugging
  • Commissioning of PV strings and tracking systems
  • Inverter and other box installation
  • Solar cell module installation

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  • Grid-connected photovoltaic power generation system
  • Introduction of photovoltaic power generation system
  • Introduction to Solar Photovoltaic Power Generation
  • Stand-alone solar cell system

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Advantages of gel batteries Advantages of lamp power supply with solar battery system Advantages of LED lighting source Application of small independent solar battery system Blocking diode Bracket installation and tightening requirements Causes and hazards of lightning Classification of solar cells Classification of solar module brackets Commissioning of equipment and systems Comparison of alkaline storage battery and lead storage battery Composition of the grid-connected photovoltaic system circuit Construction of large-scale photovoltaic grid-connected system Core component of the battery Correct use of batteries Current main battery types Deep cycle and shallow cycle of battery Design considerations for solar cell application systems Determination of the inclination angle of solar cell modules Difficulties in detecting solar cell efficiency Grid-connected photovoltaic power station Heterojunction solar cell Higher requirements for inverters in grid-connected systems Hybrid power generation system Influence of the amount of energy provided by the battery Influence of the photoelectric conversion efficiency of solar cells Main charging method of the battery Main components of an independent solar power system Principle of commonly used batteries Principle of general layout of construction PWM dimming Selection of photovoltaic system capacity Several commonly used batteries Steps of battery capacity design calculation Strength design of solar module bracket Structure of lead-acid sealed battery The most important indicator of the battery The role of safety valve Thin film solar cell Three links in the electrochemical corrosion process Two action set points of the controller Two causes of battery failure Type of charge and discharge control function Voltage change during battery discharge Working principle of LED

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