online UPS systems, backup UPS systems

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New Catalogue 2010

What is a UPS and How does it work?

FAQ

• What are the functions of UPS?

  12/24/2010

  1.Absorb relatively small power surges. 2.Smooth out noisy power sources. 3.Continue to provide power to equipment during line sags. 4.Provide power for some time after a blackout has occurred. In addition, some UPS systems or UPS/software combination provide the following functions: 1.Automatic...

• How big a UPS do I need? How are the "sizes" of UPSes determined?

  12/24/2010

  Typically, a UPS system has a VA rating. The VA rating is the maximum number of Volts * Amps it can deliver. The VA rating is not the same as the power drain (in Watts) of the equipment. (This would be true if the load were only resistive or the circuit were DC, not AC). Computers are notoriously no...

• How long can equipment on a UPS keep running after the power goes?

  12/24/2010

  That depends on how big a UPS do you have and what kind of equipment it protects. For most typical computer workstations, one might have a UPS that was rated to keep the machine alive through a 15 minute power loss. If it is important for a machine to survive hours without power, one should probably...

• How many types of Power problems?

  12/24/2010

  The amount of electronic equipment grows daily, which means there is more demand than ever before on the utility industry. Plus, the complexity and sensitivity of new technologies makes them highly susceptible to sags, blackouts, spikes, surges and noise. Performance of your mission-critical equipme...

• How to choose the right UPS?

  12/24/2010

  Choosing a UPS comes in three easy steps. First you have to determine what your needs are. There are four type of surge protection-related UPS set-ups: You have your basic surge protector that just protects from electrical bursts; then you have a basic UPS that simply lets you turn off your system f...

• What is called ON LINE UPS?

  12/24/2010

  Online UPS: This is also called True or Double conversion online uninterruptible power supplies convert AC power to DC and then convert the DC back to AC to power the connected equipment. The batteries are directly connected to the DC level. This effectively filters out line noise and all other anom...

• What is called LINE INTERACTIVE UPS?

  12/24/2010

  Line Interactive UPS: In this type of UPS, the separate battery charger, inverter and source selection switch of an offline UPS have been replaced by a combination inverter/converter. This inverter/converter both charges the battery and converts its DC current to AC for the output to protected devic...

• What is called OFF LINE UPS?

  12/24/2010

  Offline UPS: With an offline UPS, the AC line is the primary power source. If a drop in current or voltage is detected by the UPS, it switches over to the backup battery automatically. When AC power is restored, the UPS switches back. The switchover (transfer) time should be no more than about four ...

• How many types of UPS?

  12/24/2010

  Uninterrupted Power Supply systems may be classified into three categories - Offline, Line Interactive and Online.

• What is a UPS and how does is work?

  12/24/2010

  An Uninterruptible Power Supply (UPS) is a device connected between the power source and a computer to ensure that electrical flow is not interrupted. UPS devices use batteries to keep the computer running for a period of time after a power failure. It is not to be confused with standby generators w...