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BASICS OF SURGE PROTECTION IN AC SYSTEM


What is the basic definition of a Surge? 
A surge is a sudden gust of something or a very sudden and dramatic increase. (noun). To surge is to quickly and suddenly move as part of a crowd, to increase rapidly and suddenly, or to cause someone to feel sudden and powerful emotions. (verb)continue..

What is a Surge Protector? 
A surge protector (or surge suppressor) is an appliance designed to protect electrical devices from voltage spikes. A surge protector attempts to limit the voltage supplied to an electric device by either blocking or by shorting to ground any unwanted voltages above a safe threshold. This article primarily discusses specifications and components relevant to the type of protector that diverts (shorts) a voltage spike to ground; however, there is some coverage of other methods.continue..

When you put together a computer system, one piece of standard equipment you'll probably buy is a surge protector. Most designs serve one immediately obvious function -- they let you plug multiple components into one power outlet. With all of the different components that make up a computer system, this is definitely a useful device.continue..

The surge protector is an important, yet often overlooked part of a computer setup. It allows multiple devices to plugged in to it at one time and protects each connected device from power surges. For example, a home office may have a computer, monitor, printer, cable modem, and powered speakers all plugged into one surge protector, which is plugged into a single outlet in the wall. The surge protector allows many devices to use one outlet, while protecting each of them from electrical surges.continue..

Surge protectors are developed to protect electronic devices from the effect of power surges and spikes. These devices come in different types ranging from the most basic power strips to surge protectors for a whole house.Surge protector is an electric device that protects electric appliances from being damaged due to voltage spikes. It is capable of maintaining safe threshold of voltage running through electric devices. Most surge protectors feature multiple outlets. These are ideal for a computer setup requiring different devices like printers, scanners, routers, laptops and other gadgets which need a lot of outlet to plug them into one power source all together.continue..

Surge arrester is described by NEC as a protective device for limiting surge voltages by discharging or bypassing surge current on an electrical system to earth or ground. It also prevents continued flow of follow current while remaining capable of repeating these functions. In other words, a surge arrester’s purpose is to protect equipment or the system from damage due to transients.
In the past, they are known as lightning arresters due to the fact that they were primarily designed to protect equipment from lightning strikes. Nowadays, the term surge arrester has been more widely used since the device is actually effective against both lightning and switching transients.continue..

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