Solar on-grid and off-grid systems are forms of systems that convert solar energy into electric energy through inverters. Are you faced with the question of which one is better? The basic difference between the two is that on-grid works with the grid system, while Off-Grid works independently. In the off-grid system, the energy storage battery will work with the system together. When it's rainy or...
With the gradual development and improvement of the household market, the advantages of micro inverters in terms of safety have received more and more attention. Micro inverter system adopts full parallel circuit design, which can give priority to inverting the DC power of each module into AC power and then connect to the grid, only about 60V DC voltage exists, which has the advantage of natural n...
Shingled solar technology interconnects cell slices with conductive adhesive, eliminating solder tape welding, reducing shading area and line loss, saving space, encapsulating 13% more cells than conventional 60-type modules, and increasing power by more than 20W, significantly higher than other technologies such as half-sheet and MBB. However, the cost has to be further reduced compared with conv...
The MPPT solar controller system is an electrical system that enables the photovoltaic panels to output more electricity by adjusting the working state of the electrical modules. It can effectively store the DC electricity emitted by the solar panels in the solar panel battery system and can effectively solve the problem of domestic and industrial electricity consumption in remote areas and touris...
The basic principle of "PV Water Pumping System", also called "Solar PV Water Pumping System", is to use solar cells to directly convert solar energy into electrical energy, and then drive all kinds of motors to drive the water pump to carry water from deep wells, rivers, lakes, ponds and other water sources. It has many advantages such as no noise, fully automatic and high reliability, and good a...
PV modules, off-grid inverters (including PV chargers/inverters), energy storage batteries (lead-acid/GEL/lead-carbon/tertiary lithium/LiFePo4, etc.), PV mounts, cables, and distribution boxes are all important components of off-grid PV systems. The biggest difference between off-grid systems and on-grid systems is that on-grid systems take investment income as the premise of calculation, while of...
PV energy storage system, generally refers to applications with PV modules, including energy storage batteries and other related equipment in the system. According to whether the stored energy needs to be sold on the grid, PV energy storage system can be divided into PV off-grid system and PV on/off-grid hybrid system. Here, we mainly focus on the PV off-grid system to make a brief introduction. P...
The module power is confirmed according to the daily power consumption of the customer. The design principle of the module is to meet the daily power demand of the load under average weather conditions, which means that the annual power generation of the solar module should be equal to the annual power consumption of the load. Because weather conditions are below and above average, solar modules a...
In recent years, PERC cell efficiency space is gradually exhausted, in the background of rising costs of materials, transportation, land, etc., further improve the conversion efficiency, reduce system costs, accelerate N-type technology iteration and upgrade, is becoming the first choice for PV companies to occupy the competitive advantage of the industry chain. The reason for the existence of a l...
Looking back at the development of the PV industry, the technology update and iteration of the cell is the core. The three cell technologies that have been discussed more are Top-con, PERC and HJT. In terms of technical difficulty, Top-con and HJT are higher and PERC is lower. PERC has been used in a large number of mature applications in the industry, and the production cost is relatively low, wh...
As solar cell conversion efficiency continues to improve, P-type solar cells are approaching the efficiency limit of 24.5%, and fail to completely solve the phenomenon of light decay generated by P-type silicon wafer-based cells, these factors make it difficult to have further development of P-type silicon cells. "The year 2022 is widely considered to be the first year of v"N-type" modules. 1.N-ty...
The most effective way to control carbon emissions is to replace traditional energy sources with clean energy sources and promote the transformation of energy structure as soon as possible. Among the various types of clean energy, the rapid progress of photovoltaic technology in the past decade has led to a rapid decline in the cost of photovoltaic power generation, making it the most economical a...
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