電腦網絡系統感應雷防護的途徑

電腦網絡系統的防雷工作重點是防止感應雷入侵，其主要途徑有三點：GgY

· 由交流電源供電線路入侵

· 由電腦通信線路入侵

分為三種情況：

1. 當地面突出物遭直擊雷打擊時，強雷電壓將鄰近土壤擊穿，雷電流直接入侵到電纜外皮，進而擊穿外皮，使高壓入侵線路。

2. 雷雲對地面放電時，線上路上感應出上千伏的過電壓，擊壞與線路相連的電氣設備，通過設備連線侵入通信線路。99xinxi.net

3. 通過一條多芯電纜連接不同來源的導線或者多條電纜平行鋪設時，當某一導線被雷電擊中時，會在相鄰的導線感應出過電壓，擊壞低壓電子設備。

· 地電位反擊電壓通過接地體入侵

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Approaches to Induction Lightning Protection in Computer Network Systems

· Intrusion from AC power supply lineswww.99xinxi.net

· Intrusion by computer communication lines

There are three cases:

1. When the ground protrusion is struck by a direct lightning strike, the strong lightning voltage will penetrate the adjacent soil, and the lightning current directly invades the outer sheath of the cable, and then penetrates the outer sheath, causing high voltage to invade the line.

2. When Thundercloud discharges to the ground, an overvoltage of thousands of volts is induced on the line, destroying the electrical equipment connected to the line, and intruding into the communication line through the equipment connection.

3. When a multi-core cable is used to connect wires from different sources or multiple cables are laid in parallel, when a certain wire is struck by lightning, an overvoltage will be induced on the adjacent wire and the low-voltage electronic equipment will be damaged.99信息网www.99xinxi.net

· Ground potential strike voltage invades through grounding body

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