Jun 16, 2022 Solar Cell Foundation and Development

Do you know these three factors that affect the efficiency of solar cells?

(1) Theoretical calculation of solar cell efficiencySolar cell efficiency is one of the most important parameters of solar cells. When the solar cell is working, sunlight illuminates the solar cell to generate a photocurrent, and its current density is J1,…

Jun 10, 2022 Solar Cell Foundation and Development

What are the characteristics of solar cells

(1) The I-V characteristic curve connects different loads to the solar cell, and the obtained power output will be different. ∞). The volt-ampere characteristic test circuit is shown in Figure 1. Connect the solar cell, change the load resistance value…

Jun 01, 2022 Solar Cell Foundation and Development

Introduction to the structure, principle and electrical performance parameters of solar cells

Solar cell structure and principle At present, the most common and most productive solar cells are crystalline silicon semiconductor solar cells, referred to as crystalline silicon solar cells. Generally, crystalline silicon solar cells are mainly composed of five parts: a…

May 18, 2022 Solar Cell Foundation and Development

Current Situation and Development Prospect of Solar Photovoltaic Power Generation

China's conventional energy reserves are far below the world average, only about 10% of the world's total reserves. With the gradual exhaustion of conventional energy and the increasingly prominent environmental problems, the country must gradually change the energy consumption structure…

May 09, 2022 Solar Cell Foundation and Development

New energy – the most common renewable energy in life

Since the 21st century, with the development of social economy, the demand for energy in daily work and life of human beings is also increasing. At present, fossil fuels such as coal, oil and natural gas still dominate the world's…

Mar 22, 2022 Detection of photovoltaic modules

What is the knowledge of PV module inspection?

1. Factors affecting the output characteristics of photovoltaic modules (power loss of photovoltaic modules)The power of the encapsulated photovoltaic module will be less than the sum of the power of all the solar cells it consists of, and this power…

Mar 11, 2022 Detection of photovoltaic modules

What do photovoltaic modules need to be tested?

The inspection of photovoltaic modules is carried out according to relevant inspection standards. Here, the inspection technology of photovoltaic modules is introduced in combination with the inspection standards of photovoltaic modules. 1. Photovoltaic module electrical performance testThe electrical performance test…

Mar 01, 2022 Detection of photovoltaic modules

What is PV module defect EL tester?

Photovoltaic module defect EL tester is a special test equipment for monitoring and researching photovoltaic module production defects. The equipment usually includes computer system (test software), camera control system (temperature control system, camera, etc.), dark room, etc. Here is an…

Feb 24, 2022 Detection of photovoltaic modules

What is a Hot Spot Durability Tester?

The hot spot effect has a great impact on the performance of photovoltaic modules. In order to verify that the photovoltaic modules can be used for a long time under specified conditions, it is necessary to test the photovoltaic modules…

Feb 15, 2022 Detection of photovoltaic modules

What is an insulation resistance tester?

Insulation resistance tester, also known as high-voltage insulation resistance tester, withstand voltage insulation tester, is mainly used to measure the insulation resistance of electrical equipment and insulating materials. The safety performance test of photovoltaic modules and electrical equipment of photovoltaic…