At this stage, as people’s awareness of safety precautions continues to increase, most residents pay more and more attention to family safety. Whether they are using electricity at home or responding to bad weather, they have taken corresponding preventive measures. A small number of families did not pay attention to it, especially for lightning protection. They believed that such lightning strikes were a small probability event and would not be able to reach them completely. There was no need for protection. Is lightning protection really unnecessary?
First, recognize that there is direct lightning lightning <br> <br> lightning and lightning. Direct lightning strikes lightning directly and hits an object. Inductive lightning is when the lightning hits an object on the ground. Because lightning current has a great time change rate, it can generate strong overvoltage and pulse current on all conductors near the lightning channel. , which in turn causes damage. In the field of lightning protection, direct lightning is relatively well protected, and inductive lightning is not easily protected. The strong charge generated by the induced lightning can easily lead to damage to electrical equipment such as power supplies and communications at home.
Second, the harm of lightning <br> <br> annual loss due to lightning disasters caused by humans ranked second in natural disasters, which indirectly damaging effects of electrostatic induction and electromagnetic induction lightning belong to lightning, while lightning and electrostatic induction power The overvoltage generated by magnetic induction has a greater scope of damage, which directly results in the destruction of home information systems and electrical equipment. Severe injuries will result in death.
Third, the response <br> <br> As electronic products gradually integrated, intelligent, multi-functional trend, anti-overload device is limited, once the inrush current and overload will result in very serious consequences. Therefore, dealing with lightning protection cannot be ignored.
First, in response to direct lightning strikes, lightning arrestors, lightning protection devices, etc., or lightning protection devices are installed on the main distribution cabinet of a building to discharge the direct current.
Second, in response to the induction of lightning, lightning currents invade the power line. The power surge protector can be connected to the incoming line of the power supply. If the power cord is subjected to a lightning strike, the discharge path will be rapidly formed and the high voltage will be limited to a lower protection level while discharging the power. Free from lightning.
Thirdly, in response to the intrusion of the lightning current from the signal line, corresponding signal lightning protection devices are installed in the signal lines in the box, which are mainly applied to the front end of important equipment. For telephones, faxes, and televisions at home, lightning protectors for telephone signals and lightning protectors for video signals can be used for protection. For network lines, network signal surge protectors can be used to protect electronic equipment from lightning strikes.
At the same time, when selecting the lightning protector, the operating voltage, operating frequency, and operating environment of the lightning protector should also be taken into account. The corresponding lightning arrester should be selected for protection:
(1) Working voltage: According to the working voltage of the equipment, choose the lightning protection device with the appropriate protection voltage. (2) Operating frequency: According to the requirements of the equipment for the insertion loss of the lightning arrester, choose the lightning protection device with different frequency.
(3) Use environment: If different lightning protection equipment is used, lightning arresters with the same flow rate as the maximum surge in the area should be selected. At the same time, the lightning protection products must pass the lightning protection center inspection to ensure the safety of use.
In the end, Kejia Electric reminded the majority of home users that family lightning protection should not be neglected. We must not be lucky enough to do a good job of family lightning protection to ensure family safety.
Circular Knitting Machine Sinker
Circular Knitting Machine Sinker,Knitting Machine Sinker,Circular Knitting Machine Sinkers,Sinkers For Knitting Machine
Changzhou Longfu Knitting Co., Ltd. , https://www.czcircularmachine.com