1、 The impact of surges in power supply systems The sources of power supply system surges are divided into external (caused by lightning) and internal (caused by electrical equipment start stop and faults, etc.). Lightning strikes on the ground may act on low-voltage power supply systems in two wa...

On January 14, 2020, the China Architecture Society and the China Meteorological Service Association jointly organized a review meeting for the group standard "Multi pulse surge protectors for low-voltage distribution systems - Performance requirements and experimental methods" (hereinafte...

preface With the continuous promotion of the 5G industry by the country, 5G construction is constantly unfolding. Because power lightning protection belongs to system engineering and must be considered as a whole. It generally includes the following four aspects: lightning protection of AC power c...