With the increasing attention to environmental protection around the world, photovoltaic systems have been widely used in various fields. In the electricity market, photovoltaic system can not only supply power for cities, but also provide lighting and communication services for remote areas. At the same time, the installation cost and operation cost of photovoltaic system are relatively low, so it is favored by more and more enterprises and government agencies.
Photovoltaic inverter is a device that converts direct current generated by photovoltaic panels into alternating current. It monitors the voltage and current output by the photovoltaic panel through the maximum power point tracking algorithm, realizes the voltage fluctuation of DC, and converts it into a stable DC power supply. Then, the inverter uses high frequency pulse width modulation technology to convert DC into AC, and smoothes it through the output filter to ensure the quality and stability of the output current. Finally, the inverter connects the output alternating current to the power network to meet the domestic or industrial electricity demand. In this way, photovoltaic inverter plays a key role in converting solar energy into usable electric energy.
At present, the common 1000~2200W photovoltaic inverter used at the input of photovoltaic power generation system has a peak output voltage of 580V V. However, the existing 500V output capacitor can no longer meet the needs of photovoltaic inverter. Among them, aluminum electrolytic capacitor plays a vital role, which can not only provide necessary filtering and storage functions, but also ensure the reliability and efficiency of the whole system. If the output voltage is insufficient, the capacitor will be heated, broken down and eventually damaged. Therefore, various factors must be carefully considered when selecting electrolytic capacitors, and the most suitable products must be selected to ensure the normal operation of the system and obtain the best performance.
In order to solve the high voltage problem of photovoltaic inverter, Shenzhen lorida introduced a series of aluminum electrolytic capacitors with high voltage leads. This series of products have accurate performance characteristics and can work in a wide range of input voltages, including the peak voltage up to 580V V. The excellent performance of the series capacitors with voltage lead can improve the stability and efficiency of photovoltaic inverter and provide customers with the best solution.
Super surge and impact resistance: The capacitor voltage of high-voltage lead series aluminum electrolysis can reach 600V, which can easily cope with the peak voltage and large current during output.
Ultra-low internal resistance and better low-temperature characteristics: compared with Japanese capacitors of the same specification, the impedance of Lorida capacitor is reduced by about 15%~20%, which ensures the low temperature rise, large ripple resistance and -40℃ low-temperature characteristics of the capacitor in operation, so that the capacitor will not fail early in long-term work.
Higher capacity density: Lorida aluminum electrolytic capacitor is more than 20% larger than Japanese capacitor with the same specification and size, and has higher capacity density and better filtering effect; At the same time, under the requirement of the same power, using Lorida electrolytic capacitor with larger capacity can reduce the cost of capacitance for customers.
High reliability: Lorida's electrolytic capacitor provides a more comprehensive guarantee for the stability and reliability of key electronic components such as photovoltaic inverter, and makes the performance of the whole photovoltaic system more excellent.
Lorida main goal at present is to build high-quality capacitors and enter the international market. As a domestic innovative capacitor, Lorida liquid lead aluminum electrolytic capacitor has great advantages in the application of photovoltaic inverter, providing a strong guarantee for the stability of photovoltaic system, and its comprehensive performance can be comparable to that of Japanese capacitors.
