1. Overview. With the continuous development of information technology, computer rooms have become the core components of various important facilities. However, due to the large number and high value of equipment in the computer room, its safe operation is increasingly affected by natural disasters such as lightning. Therefore, it is of great significance to formulate a set of scientific and reasonable lightning protection and grounding standards for the computer room to ensure the safe and stable operation of the equipment in the computer room. This article will expand on the lightning protection and grounding standards for computer rooms, in order to provide reference for the formulation and implementation of relevant standards.
2. The specific requirements of the lightning protection and grounding standards in the computer room.
1.Lightning protection design.
The lightning protection design of the computer room should fully consider the situation of the building itself and the surrounding environment, and determine the reasonable lightning protection level and measures according to the lightning risk assessment results. For particularly important computer rooms, first-class lightning protection measures should be adopted, including the installation of flash receivers, down conductors, grounding devices, etc., to minimize the damage of lightning strikes to the equipment in the computer room.
2.Grounding system.
The grounding system of the computer room is an important part of the lightning protection and grounding standard. An integrated grounding system should be used to integrate lightning protection grounding, protective grounding, and working grounding to achieve equipotential connection. The value of the grounding resistance should be selected according to different situations, and in general, the grounding resistance should not be greater than 1 ohm. At the same time, all equipment in the equipment room should be connected with equipotential connection belts to ensure that the equipment will not be affected by the counterattack voltage in the event of a lightning strike.
3.Power system lightning protection.
The power supply system is one of the main ways of lightning intrusion. Therefore, the lightning protection measures for the power supply system are also an important part of the lightning protection and grounding standards in the computer room. Appropriate lightning arresters should be installed at all levels of the power supply to absorb lightning energy and avoid lightning damage to the power supply system. At the same time, lightning protection devices should be installed on the power lines of important equipment to protect the equipment from lightning.
4.Signaling system lightning protection.
With the continuous development of information technology, various communication and network equipment are more and more widely used in the computer room. When the signal transmission lines of these devices are affected by lightning, they are prone to lightning induction effects, resulting in damage to the equipment. Therefore, lightning protection measures for the signaling system are also essential. According to the interface type and transmission rate of different equipment, the appropriate signal arrester should be selected and installed on the signal line to protect the equipment from lightning. At the same time, for the signal line entering the computer room, protective measures such as metal pipes or metal bridges should be used to reduce the impact of induced mines.
5.Equipotential bonding.
Equipotential connection is one of the important measures to ensure the safe operation of equipment in the computer room. By connecting all the equipment, racks, metal pipes and other metal objects in the equipment room with the equipotential connection belt, a complete equipotential body can be formed, which can effectively reduce the potential difference generated by the lightning current in the equipment room and avoid the counterattack accident between the equipment. At the same time, equipotential bonding also helps to reduce the effects of electromagnetic interference and radio frequency interference, and improves the operational stability of the equipment.
6.Lightning warning system.
The establishment of a sound lightning early warning system is one of the important links of the lightning protection and grounding standards in the computer room. Through the lightning warning system, the lightning activity can be monitored in real time, and corresponding protective measures can be taken in advance to avoid or reduce the impact of lightning on the equipment in the computer room. At the same time, the lightning early warning system can also provide evidence for post-event investigation, help analyze the causes of lightning accidents, and improve the scientificity and practicability of lightning protection and grounding standards.
3. Implementation and supervision.
In order to ensure the effectiveness of the implementation of lightning protection and grounding standards in the computer room, the relevant departments should strengthen supervision and conduct regular inspection and maintenance of the lightning protection and grounding measures in the computer room. At the same time, publicity and training should also be strengthened to improve the awareness and skill level of relevant personnel in mine protection. The computer room that does not meet the standards should be rectified within a time limit, and the relevant responsible persons should be held accountable for the accidents caused by the lack of lightning protection and grounding measures.
IV. Conclusions. To sum up, the formulation of scientific and reasonable lightning protection and grounding standards for the computer room is one of the important measures to ensure the safe and stable operation of the equipment in the computer room. Through the comprehensive consideration and specification requirements of lightning protection design, grounding system, power system lightning protection, signal system lightning protection, equipotential connection and lightning early warning system.