Types of uninterrupted supply of power devices

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Types of uninterrupted supply of power devices

Pulse current surges and voltage fluctuations cause a sudden power off the computer and peripheral equipment, which can lead to their damage. To avoid such troubles use an uninterruptible power supply (UPS), designed to transform the network settings. Kinds Defines three types of devices: standby (offline); interactive (line-interactive); Line (online). Standby UPS Operation of this device lies in the fact that the satisfactory input parameters power goes through the network. In case of power abnormalities triggered battery source element. Claimed battery switch to the battery for about 4 ms, but in reality it can be 20-30 ms. It is a disadvantage of this kind of devices. These main advantages of rank relatively low price. Interactive UPS (stabilizer) In addition to the battery there is a filter, effectively smoothing surges of electrical signals. Devices of this type perfectly protect equipment from mains disturbances. This reaction to the abnormality is from 2 to 10 ms. Line UPS These devices are able to compensate for any deviations in the input load. This is achieved due to the fact that the current series goes the way through the rectifier, inverter, battery. Switching time on the battery is not because the power comes from her constantly. The disadvantages of such sources are the high cost and heating during operation. All kinds of UPS have their pros and cons. As a rule, the selection is carried out in accordance with the purpose of such devices (home or industrial use) and material opportunity.
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