What is the need of UPS?

1 Answer

Answer :

1) An Uninterruptible Power Supply (UPS) is used to protect critical loads from mains supply problems including spikes, voltage dips, fluctuations and complete power failures using a dedicated battery. 2)A UPS system can also be used as standby system when AC mains is failed.

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Last Answer : here

Description : When UPS or Fedex updates each step in tracking, are they scanning each individual package, or are they scanning the cargo container (only)?

Last Answer : I wonder the same. I am waiting with you for an answer.

Description : UPS and Fedex appear to have been totally overwhelmed with this year's deliveries. Who will benefit from their screwups?

Last Answer : Do you have a link regarding fedex and UPS not delivering as promised?

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Last Answer : I’m pretty sure they do.

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Last Answer : In one place you say UPSes…then, USP. What exactly are you looking for?

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Last Answer : I can’t answer your specific question. but here in the Los Angeles, UPS drivers have established routes.

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Last Answer : Ans. Ideally, the voltage supply by the utility system should be perfect sine wave without any harmonics, at its nominal frequency of 50 Hz and at its nominal magnitude. In practice however voltage can ... load from one source to the other results in the least amount of disturbance seen by the load.

Description : UPS- How to give Connection?

Last Answer : Ans. Means Uninterrupted power supply. To give UPS connection, first normal supply is kept off. Then, loads of essential and non essential are to be segregated. Essential loads are to be brought under single point of control. Then, UPS can be connected.

Description : What is UPS how it works?

Last Answer : UPS stands for Uninterrupted Power Supply. This system can be of two major types and work to ensure uninterruptible power within a specified period before backup comes in. There is a static ... type has the advantage of less maintenance when compared with the mechanical type with rotating parts.

Description : Ham Roll Ups

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Last Answer : Online UPS: The block diagram of the on line UPS systems is as shown, where the load is connected to the invertor through the UPS static switch. The UPS static switch is ... 4) Healthcare: hospitals, clinics and retirement homes 5) Telecommunications 6) Special projects (events)

Description : Explain the operation of UPS with a neat block diagram.

Last Answer : Uninterruptible-Power-Supplies (UPS): A block diagram of UPS system is shown in figure. It essentially consists of four major components: i)Rectifier (or battery charger) ii) ... . Due to fast action requirement, transfer switch can be implemented by fast acting semiconductor devices.

Description : Define transfer time and back up time of UPS.

Last Answer : Transfer time of UPS: The transfer time, sometimes also called switchover time, is the amount of time the UPS will take to switch from utility to battery supply during a mains failure, or from battery to ... is the amount of time for which the UPS will supply the power to load during mains failure.

Description : what is UPS ?

Last Answer : UPS is Uninterrupted Power Source

Description : what is UPS and what are its uses?

Last Answer : Ups means uninterrupted power supply It supplies power when there is power supply outage. This is done by storing power in battery banks while power is on and then during power outage the DC in battery is converted to a.c by inverters

Description : Can I get some opinions? (Details inside)

Last Answer : answer:Let UPS accuse your neighbor, just give the police the facts as best you know them. Don't say anything that is speculative on your part. If UPS or the Police have some way of determining ... power to them. But since you don't have proof, just speculation, stay out of inflaming the situation.

Description : What do I do if I haven't received my order from Ebay?

Last Answer : answer:Contact the seller and your local UPS. Let both know the tracking is showing the package was delivered but that you have not rec'd the package. If this were me, I'd also open a case on ebay ... feedback click on More Actions , then Resolve a problem ...Then I didn't receive my item .

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Last Answer : answer:What is wrong with them? The best thing to do once a UPS battery quickly depletes, slow or no charge is replace them. Why risk it.

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Last Answer : Transistors are active electronic components made of semiconducting materials, which can amplify the electric signals by the application of a small input signal. Types of transistors: 1. Unipolar Junction Transistors 2. Bipolar Junction Transistors

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