Special battery current refers to the flow of electric charge from one point to another. In other words, the difference in a potential causes the flow of current. The flow of charge or current is the basis of all electrical and electronic engineering, because it represents the electrical performance of energy.
However, this is a great paradox, when can not charge the same flow smoothly, but there is an unexpected, sudden current flows, it is harmful for electronic equipment are identical, the reason is called electrostatic discharge or ESD. the danger is that solid state electronic devices including semiconductor materials and parts, encounter electrostatic discharge, will cause irreversible damage.
Therefore, do not need too much emphasis to realize that one is full of millions of dollars worth of electronic components, from solid data center needs to be protected to prevent such charge, to avoid causing financial loss, loss of data and data center operations the company's image and reputation loss.
In order to further prevent the discharge of special batteries, we must know more about the phenomenon itself. Due to some simple activities, electrostatic discharge may occur, such as: people walking on the carpet may produce static electricity, electrostatic induction may also produce electrostatic discharge. There are three kinds of models to explain the phenomenon of electrostatic discharge, which are human body model, charged device mode and mechanical mode. I will not explain the details of these patterns in this relatively short article, but basically these models simulate the intensity and source of electrostatic discharge in varying degrees.
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Electrostatic discharge can spark, also can not spark. I believe that each of you has seen thunder and lightning during the rainy season. Lightning is also an instantaneous discharge, despite the large size and large potential difference. However, as long as a few volts of electrostatic discharge may be enough to damage several types of electronic equipment. This damage may make you cannot use the device or a part of the equipment, or cause a potential damage, the equipment can be maintained, but its reliability and service life than a normal equipment is much lower.
It is easy to understand what electrostatic discharge is, as well as the various forms of expression, followed by millions of dollars, that is, how to prevent the occurrence of such phenomena. Because of the high cost of equipment in a typical data center, not to mention the value of valuable data and information stored in these machines. There are several ways to protect electronic devices in the data center because of several electrostatic discharge patterns.
One technique is the use of various types of anti-static clamps that help to allow any electrostatic discharge to the ground, thereby protecting equipment. Can be found in the United States TI expert "application report", to find a detailed analysis of these anti-static clamp.
All ESD sensitive components shall be handled with care and shall ensure that the floor and the staff's clothing are antistatic.
The same principle applies not only to the work of these devices, but also to the same precautions in their packaging and transportation.
Technicians in the data center, server computer and other electronic equipment work should ensure that he (or she) contact in the metal surface continuously, in between the body and the machine can produce no potential difference of electrostatic discharge.
Particular attention should be paid to the storm, and try not to let the system work during the storm. We see and enjoy the spectacular view of thunderstorms, but if it is safe from the perspective of electronic equipment, thunderstorms are less spectacular.
In addition to the individual equipment to take the above preventive measures, the data center of the whole building should also follow the appropriate measures to prevent lightning protection. These measures include the installation of appropriate lightning protection systems that have been inspected by relevant authorities. Including a variety of devices, such as: transient voltage surge suppressors and lightning arresters, etc..
The data center shall formulate the relevant requirements, including, in accordance with the different needs of the work, wear specific types of clothing to prevent damage caused by static electricity. These provisions should not only exist on paper, all staff should thoroughly understand the phenomenon of electrostatic discharge and electrostatic discharge will bring potential losses, these losses will ultimately affect the interests of each employee.
To understand the type, pattern, and possibility of damage to electrostatic discharge, the management of data centers should not be lucky, and appropriate protective measures and policies should be provided. A tiny electrostatic spark could cause catastrophic damage to the entire data center. It should be borne in mind that it is safe to take off.
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How can a data center prevent the discharge of an extraordinary battery at rest?
2017-04-13
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