knowledge about the development status of sun tracking solar panel devices and techniques and the principles and applications of solar panel tracker and sun tracker accessories
The volt-ampere characteristics of photovoltaic cells are shown in Figure 1, which shows the relationship between the output voltage and output current of photovoltaic cells under certain sunshine intensity and temperature, referred to as U-I characteristics. It can be seen from the U-I characteristics that the photovoltaic cell is neither a constant voltage source nor […]
In order to understand the working process of photovoltaic cells and the factors that affect the working efficiency of photovoltaic cells, it is necessary to analyze through equivalent circuit simulation. Photovoltaic cells are solid-state devices that use the electronic properties of semiconductor materials to directly convert sunlight into electrical energy. When sunlight shines on a […]
The photovoltaic cell plate is a photoelectric conversion element made of a semiconductor material. At present, there are many materials and methods for making photovoltaic cells, and the work efficiency is also different. According to different semiconductor materials, photovoltaic cells can be divided into selenium photovoltaic cells, gallium arsenide photovoltaic cells, silicon photovoltaic cells, and […]
The energy conversion device for photovoltaic power generation is a photovoltaic cell, which is an active element for power generation. It uses the photovoltaic effect to directly convert light into electrical energy, so that the object under the action of the light generates an electromotive force in a certain direction. When sunlight (or other light) […]
The control component chooses AT89C52 single-chip microcomputer produced by ATMEL company. AT89C52 is a low-power, high-performance 8-bit microcontroller with 4KB of Flash programmable and erasable read-only memory on-chip. It uses CMOS technology and high-density non-volatile memory (NURAM) technology, and the pins and instruction system are compatible with MCS-51. The on-chip Flash memory allows reprogramming in […]
Control system circuit diagram The execution part is a stepping motor, the feedback control part is a photoelectric sensor, and the control part is a single-chip microcomputer. The schematic diagram of the circuit is shown in Figure 1, which is the connection method of the entire control system. The power supply and the partially repeated […]
(1) Pulse distribution (that is, power-on commutation control) There are two types of pulse distribution methods: software method and hardware method. The software method is a completely software method, in accordance with the given power-on commutation sequence, the control pulse is sent to the drive circuit through the I/0 of the single-chip microcomputer. The software […]
The single-chip microcomputer control motor has the advantages of flexible and diverse functions, low inertia, fast speed, accurate pulse output, strong real-time performance, strong anti-electromagnetic characteristics and strong anti-interference ability, which is the future development direction. The working process of a stepper motor is generally controlled by a controller. The controller completes a certain control […]
This article is mainly to study the control part of a mechanical device that can track the sun’s movement, and realize the tracking of the sun’s azimuth and declination through the control mechanism, so as to achieve the purpose of maximizing the use of solar energy. The principle of the control system is: according to […]
Heat dissipation protection device As shown in Figures 1 and 2, the solar light receiving device also includes a heat dissipation protection device 3 fixed on the back of the solar silicon wafer, which can realize timely heat dissipation, and can also avoid rain erosion, dust, bird droppings and other dirt from accumulating on the irradiated […]