When choosing a lightning protection company, consider the factors that affect the lightning protection device
May 23, 2022
The damage that lightning can bring to buildings and circuits has now become an unquestionable fact, and more and more social groups are choosing electric lightning protection companies to minimize a series of hazards caused by lightning. So what specific factors need to be considered when choosing a power lightning protection company with good service and strong strength?
The first factor, qualifications and strength
As we all know, lightning protection is actually a project that requires relatively high technology and strength. If the qualification or strength of a power lightning protection company does not meet the standards, it is difficult to guarantee the quality of lightning protection products produced. Therefore, when choosing a power lightning protection company, it is necessary to pay attention to the company's qualifications and strength. You can choose those companies with strong strength and complete qualifications to cooperate.
The second factor is whether long-term cooperation can be carried out in the later stage
The installation of lightning protection devices on some buildings or circuits does not mean the end of lightning protection work. Relevant regulations require that lightning protection devices should be regularly tested to ensure that the lightning protection device maintains its excellent lightning protection performance. Therefore, when choosing a power lightning protection company, you should consider the factor of whether long-term cooperation will be possible in the later period. Only those power lightning protection companies with relatively complete after-sales service systems can be used as alternative partners.
The third factor, the actual needs of specific installation scenarios
The installation of lightning protection devices on buildings or circuit equipment usually needs to be planned at the beginning of the construction, and the construction should be carried out in strict accordance with the established planning in the later construction process. Therefore, when choosing a power lightning protection company, it is necessary to consider the actual needs of the installation scene. Only those power lightning protection companies that can meet the actual needs of the installation scene can conduct in-depth cooperation.
The most popular explanation of the lightning arrester is the equipment used for lightning protection. The service life of the lightning arrester is a very concerned issue in the market. So, what is the service life of the network lightning protection device related to?
Factors affecting the service life of the lightning arrester:
The service life of the lightning arrester is related to a variety of factors, including the surge protector. Manufacturing quality, seal failure, moisture exposure, external factors, valve aging speed, etc. are all key factors affecting the service life. Because of its heavy action and load, large freewheeling current, poor stability of action characteristics, and possible transient overvoltage hazards, the silicon carbide surge arrester will accelerate the aging of the valve plate, generally 7 to 10 years, and only 3 to 5 years if the aging is serious. .
The valve plate of the gapless zinc oxide surge arrester has harsh working conditions, low inflection point voltage, high frequency of action, and suffers from transient overvoltage hazards, temperature thermal damage and other reasons, which rapidly accelerate the aging of the valve plate, and some are even better than silicon carbide surge arresters. still short.
The series clearance of the zinc oxide surge arrester can ensure that the valve plate can withstand high voltage during the overvoltage protection action, and the time is within 100μs. In other cases, the valve is in an isolated state or in a low potential state for the grid voltage, which greatly improves the working conditions of the valve, avoids transient overvoltage hazards and thermal damage, and ensures that the valve temperature does not exceed 55 ℃ , which can guarantee the life of the lightning arrester for more than 20 years.