Photovoltaic cell characteristics and performance

Photovoltaic cell characteristics and performance

  • Photovoltaic modules and photovoltaic cells

(1). Characteristics of photovoltaic cellsSolar cell characteristics can be fully displayed by I-U characteristics. Therefore, it is particularly important to understand the output voltage U and output current I and how they change. In order to determine these characteristics, a photovoltaic cell characteristic measurement platform as shown in Figure 1 is established. Open circuit voltage […]

Composition of the atomic layer of photovoltaic cells

Composition of the atomic layer of photovoltaic cells

  • Photovoltaic modules and photovoltaic cells

The vast majority of commercial photovoltaic modules in history have been composed of silicon, and this is still the case today, although there are also other technologies and photovoltaic modules available or under development. Under certain conditions, electrons can move away from silicon atoms and become part of an electric current. ①Silicon atomic structureSilicon atoms […]

Basic knowledge of photovoltaic power generation

Basic knowledge of photovoltaic power generation

  • Basis of photovoltaic power generation technology

①Photovoltaic principlePhotovoltaics (PV) is a solid-state semiconductor technology that can directly convert light energy into electrical energy, without moving parts, noise and emissions. From the 1950s to the beginning of the 21st century, the most common form of photovoltaic equipment was polysilicon. Polysilicon has a high conversion efficiency. In addition, silicon resources are relatively abundant […]

The history of photovoltaic power generation technology

The history of photovoltaic power generation technology

  • Basis of photovoltaic power generation technology

Photovoltaic power generation is based on the principle of photovoltaic effect, using solar cells to directly convert solar energy into electrical energy. Whether it is used independently or connected to the grid for power generation, photovoltaic power generation systems are mainly composed of solar panels (components), controllers and inverters. They are mainly composed of electronic […]

Safety equipment and site safety in independent power supply system

Safety equipment and site safety in independent power supply system

  • Health and safety of independent power systems

Check these items according to the on-site safety plan, and check to ensure that all equipment operates in an orderly manner before starting work. ①Personal safety list(1) Work together (don’t work alone!).(2) To understand various safety measures, equipment and emergency procedures.(3) Safety checklist.(4) Safety helmet.(5) Eye protection device.(6) Dry leather gloves for electrical work.(7) Rubber […]

What are the dangers encountered in the work of independent power generation systems?

What are the dangers encountered in the work of independent power generation systems?

  • Health and safety of independent power systems

Will introduce the general dangerous points that appear when carrying out the work related to the independent power generation system.① Personal injury (non-electrical, non-chemical)People working in photovoltaic power stations will be outdoors, even in remote areas. There may be cases where manual and electric tools are used on metal or wire equipment. Workers will also […]