Lightning protection grounding is divided into two concepts: lightning protection and grounding. On the one hand, it prevents damage caused by lightning strikes; on the other hand, it prevents static electricity from causing harm.
It mainly includes building lightning protection (external lightning protection and internal lightning protection), power supply system grounding is divided into protective grounding and working point grounding, electronic information system lightning protection and anti-static grounding, etc.
Lightning protection of buildings: Through the lightning protection devices of buildings (structures) (composed of lightning receptors, down-conductor grounding devices, overvoltage protectors and other connecting conductors), the buildings (structures) are protected against Avoid or reduce damage taken when struck by lightning.
Grounding of the power supply system: The grounding of the power supply system is divided into protective grounding and working point grounding. Through grounding, the normal operation of the equipment and personal safety are protected.
Lightning protection of electronic information system: grounding of electronic information system (including safety protection grounding, signal working grounding, shielding grounding anti-static grounding, surge protector grounding), and building lightning protection grounding, AC working grounding, DC working grounding, safety Protective grounding, etc. should share a set of grounding devices.
Source: Sohu.com
