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   Author :     AhmetZekiTasgar
   Date :     20-09-2021, 15:42
   Category :     What Does it Mean
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What is Uninterruptible Power Supply (UPS)?

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An uninterruptible power supply, or UPS for short, is a device that provides battery backup when electrical power fails or drops to an unacceptable voltage level. Small UPS systems provide power for a few minutes. They are enough to shut down the computer regularly.

Large UPS systems have enough batteries to last a few hours. In mission-critical data centers, UPS systems are used for only a few minutes before the electrical generators kick in. UPS systems can be set to warn file servers about a regular shutdown when an outage occurs and the batteries run out.



What is UPS?

UPS, abbreviated as uninterruptible power supply, means uninterruptible power supply. A device that allows a computer to continue operating for at least a short period of time when its primary power source is lost. UPS devices also provide protection against power surges.

A UPS contains a battery that is activated when the device detects a loss of power from the primary source. If an end user is working on the computer when the UPS reports a loss of power, they have time to save the data they are working on and exit before the secondary power supply (battery) runs out.

When all power is gone, all data in your computer's random access memory (RAM) is erased. When power surges occur, the UPS stops the surge to prevent damage to the computer. Therefore, it is a necessity to use a UPS as an important precaution against power cuts while operating at a point where very important data is located.


Why is UPS used?

An uninterruptible power supply (UPS) is used to protect critical loads from utility power problems such as surges, power outages, surges and blackouts, all using a dedicated battery. It essentially has three basic functions it performs, and these suffice to explain the reason for using a UPS:


  • Prevents hardware damage caused by excessive currents and voltage spikes. Many UPS models also constantly regulate the input power.
  • It prevents data loss and damage. Without a UPS, data stored on devices subject to sudden shutdowns can become corrupted or lost altogether. Allows and facilitates UPS controlled shutdown.
  • It ensures the availability of networks and other applications while avoiding downtime. When used with power generators you need to make sure they offer enough time in the event of a power outage.


What are the types of UPS?

When it comes to UPS, three different types of UPS come to mind. Most types of UPS have been developed to meet business and consumer needs. A Standby UPS is an online unit that can detect an electrical fault and automatically switch to battery power.

The other two UPS categories are Line Interactive UPS and Online UPS. Online UPS is the most expensive option. Each type of UPS keeps network devices operational when there is no power. Features such as energy measurement will vary by model.


What is a standby UPS?

A standby UPS is an uninterruptible power supply that provides short-term, battery powered power during outages. In this type of UPS, the equipment normally receives auxiliary power through a direct AC connection. The standby unit and inverter are essentially on standby until backup power is needed.

Depending on the model, a redundant UPS device can also protect data and sensitive equipment from surges, spikes and dips. Compact devices are available for home network protection. Standby UPS is widely used to protect computers, modems, and VoIP equipment and other equipment and is the least expensive type of UPS.


  • Standby UPS is also called offline UPS . Although fundamental in design, the offline UPS provides backup runtimes for less demanding home and professional environments. In this sense, they are among the ideal products that can be preferred.
  • Standby UPS is also called backup UPS (standby UPS) . After a power outage, the backup UPS provides power for short periods of time. When it detects losses, the transfer switch initiates backup operations. Backup times occur in milliseconds after failure, and response times vary.



What is Line Interactive UPS?

Line interactive UPS is a kind of uninterruptible power supply that can regulate voltage automatically. Line interactive technology responds to high and low voltage conditions. The units also support systems during outages without battery drain.

With Line interactive UPS, the electricity supply is the first power line. However, the converter technology allows the unit's battery to be charged during normal operations. During an outage this UPS converts battery power to AC flow for device delivery.

Line interactive UPS will protect sensitive equipment during power outages. This model UPS is more expensive than the standby UPS model but more economical than the online UPS unit. This UPS will maintain performance during low voltage situations and brief power outages.


What is Online UPS?

Online UPS is a type of uninterruptible power supply using dual or delta conversion technology. With double conversion, the network equipment is not powered directly from the AC outlet. Instead, AC power goes to a rectifier where it is converted to DC power. Then it reaches the battery and then an inverter point.

After returning to AC, the power is transmitted to the equipment. With this online UPS device operation, the computing equipment constantly receives clean power. With delta conversion, a certain amount of power is sent to directly power computers, routers, and other equipment. Thus, an energy efficient online UPS system is created.

If an electrical fault occurs, the online UPS system maintains consistent current flow to protect network equipment. In case of surge or failure, the rectifier in the UPS is automatically bypassed and power is supplied from the battery until recovery occurs. The most expensive system among UPS systems is known as online UPS.




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