![]() Related article: What is arc flash relay? In the design and operation of the power system, you must pay attention to the role of arc protection, give full play to the function of arc protection relays, and ensure the safe, stable, and reliable operation of electrical equipment and power systems. To sum up, the installation of arc protection relay on medium and low-voltage busbars has very necessary significance and functions. ![]() Thirdly, the installation of arc protection relay on medium and low-voltage buses can not only control the occurrence and development of arcs, but also avoid accidents caused by human factors, improve the service life of electrical equipment, and reduce power system maintenance and operating costs. Moreover, the arc protection relay can choose different action modes and protection measures according to the different characteristics of electrical equipment, so as to realize the comprehensive and multi-level protection of the power system. Once the relay senses the arc current or arc voltage, it can generate a signal within milliseconds to cut off the power supply in time. Secondly, the arc protection relay has the characteristics of high reliability and fast response. In the case of installing an arc protection relay on medium and low voltage busbars, once an arc flashing accident occurs, the flash relay can sense the arc current or arc voltage in time, so that the power supply or equipment can be quickly cut off, so as to control the generation and development of the arc flash, and ultimately ensure the protection of electrical equipment and power and the safe and stable operation of the system. To know the Cause of arc flash, please click here. Once the flash arc cannot be controlled in time, it will cause serious damage to the equipment. The current generated by it is very large and the energy is very strong. Arc flash occurs in electrical equipment when the power switch is turned off or when the equipment malfunctions. Arc flash is a common arc flashing phenomenon in electrical equipment. Therefore, it is very necessary to install an arc protection relay.ģ Reasons for Installing Arc Protection Relayįirst, we need to understand what an arc flash is. During the operation of the busbar, there is a certain arc flash hazard. As one of the core components of the power system, the medium and low-voltage busbars are of great significance to the stability and reliability of the power system.
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