what is UPS ?

1 Answer

Answer :

UPS is Uninterrupted Power Source

Related questions

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 : 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 : Why does the UPS tracking number need 30 digits?

Last Answer : here

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?

Description : Does UPS drug test?

Last Answer : I’m pretty sure they do.

Description : What is a good reliable brand of UPS?

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

Description : How do UPS trucks nagivate?

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

Description : Write short note on UPS and its usage in railway system.

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

Last Answer : Ham Roll Ups - serves 10 3 (8 ounce) packages cream cheese, softened 3 tbsp horseradish 2 tbsp finely chopped onion 1 (8 ounce) container sour cream 2 pounds cooked ham, thinly sliced ... and sour cream. Spread the mixture onto the ham slices. Tightly roll the slices and secure with toothpicks.

Description : Describe working of online UPS. List any two applications of UPS.

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 : What is the need of UPS?

Last 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.

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 : 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 .

Description : Can I revive these APC batteries?

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.

Description : Can you have a power factor greater than 1?

Last Answer : We cannot have power factor greater than 1. As it is a measure of cosine of angle between voltage and current. 

Description : What is the best power factor?

Last Answer : It is unity power factor but difficult to achieve in dynamic loads

Description : What is difference between KW and KVA?

Last Answer : kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.

Description : How much is 1 unit of electricity?

Last Answer : 1 unit of electricity is equal to 1 kWh.

Description : What is the advantage of high power factor?

Last Answer : Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill

Description : What is meant by KVA?

Last Answer : KVA - kilo volt ampere  Used to specify the transformer details

Description : What are the main causes of harmonics?

Last Answer : Harmonic is a non linear load because linear load voltage deviated due to connection of some electrinie device such as converter,inverter

Description : How do you measure power factor?

Last Answer : P= 1.83*V*I*COS@ where P is power           V is voltage            I is current           COS @ is P.F COS@= P/(1.83*V*I)  in other way cos @ = true power/apparent power

Description : What causes transients?

Last Answer : Transient is a peak voltage take small period. It will occur due to lightning

Description : What causes lights to dim in house?

Last Answer : While taking a more load from other Equipment

Description : What would cause a power surge in a house?

Last Answer : If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip  

Last Answer : Power quality is important because the electrical appliances will works better and will be safer and less loss in energy. Low energy waste and improves stability of power system .

Last Answer : By applying various power quality monitoring devices and using telecommunication technique .

Description : what is trickle charging ?

Last Answer : It is the process of charging a fully charged battery at the rate equal to its own discharge rate. This process ensures that the battery remains fully charged. It is carried out only when the battery is not connected to the load.

Description : UPS works of reddit what is the weirdest/creepiest thing some one has tried to mail?

Last Answer : Haven't worked there for about 6 years, weirdest thing I saw was a mold(i hope) of a small animals skull....which unfortunately came out and shattered when I sent it down the damages slide. Weirdest ... and dry ice. My sister works there now so ill ask her and update if she has anything interesting.

Description : First of two Northern California Meet ups!

Last Answer : I hope to be there, probably with my celebrity wife in tow.

Description : What are a list of power ups in childrens stories?

Last Answer : Getafix’s magic potion in Asterix.books. The magic bean in Jack and the beanstalk. The goose that laid the golden egg. James’ giant peach. The ring (and the magic swords, and the dwarven armor, etc) in The Hobbit…

Description : When (and why) did UPS screw up their package tracking website?

Last Answer : If I had to guess, maybe it has to do with using USPS over Christmas. Just guessing though. When did it change? Is that an actual copy paste in March?

Description : Do children have it easier doing pull-ups, due to the square-cube law, or am I just making excuses for not being able to do a single pull-up?

Last Answer : Children are lighter. Also they have gym class every day so are in shape.

Description : Is there any rational thinking behind UPS package routing?

Last Answer : Your problem probably is the level of service the seller chose to use or the amount of extra money you were willing to pay to get it to you. Unless you're willing to pay a lot of extra to receive ... up in my mailbox. They are trying to groom us to pay excessive amounts to receive our items fast!!!

Description : US postal service, FedEx or UPS for a career?

Last Answer : answer:I've known two people that were very happy working at Fedex. Been there for 15-20 years. USPS because of the post office union seems to be a tough nut to crack. As I understand it, the ... very very tight on discipline and performance. So you would have to be really good to keep a job there.

Description : Anyone else get flare ups of shingles on places they've injured?

Last Answer : It sounds like an RV. Do you have arthritis?

Description : How do they make mash-ups of film clips to songs match so well?

Last Answer : With video editing software involving a STEEP learning curve. It can be done with Open Source software, but I’d get a bit of training first. Good synchronization is NOT easy.

Description : Do UPS, Fedex, and Post Office tracking numbers repeat?

Last Answer : answer:Eventually I'm sure they do. They're not meant to be unique forever and many of the digits carry other information, so aren't able to be incremented. All carriers let their tracking ... a while and I would imagine they're eventually put back in the pool sometime after that expiration.

Description : Which shipping option is better for books, UPS or USPS?

Last Answer : answer:UPS almost certainly goes by weight too. I tried to mail about 15 pounds of beer with UPS last Christmas and the postage was insane. They do some weird dimensional weight formula. It is probably going to be hard to beat the media rate from the USPS.

Description : Can you think of any good food mash ups?

Last Answer : answer:The reason I asked this question is because of the fact that I've been eating some rather unusual food combinations lately. I've discovered that bean burritos and cheese enchiladas (leftovers ... think of anything that might actually taste good (not just random stuff that's thrown together)?

Description : Winter pile-ups; to idle or not to idle my old diesel?

Last Answer : I rarely find that turning the ignition off altogether is worth it. Seems like about the time I do that, traffic moves a car length ahead, and I hate starting and stopping the car. Putting it in park ... the car idles smoother, I stay warm with radio, and I don't worry about burning the starter up.

Description : What does UPS do when a plane crashes and all the packages are destroyed?

Last Answer : answer:They have a complete shipping manifest available through the tracking system. And I imagine they sent out automatic emails to the senders ASAP. I can get emails from UPS when ... can pick up replacements and expedite shipping for replacements, all covered by business interruption insurance.

Description : Why am I not getting any better at push-ups?

Last Answer : Try bench pressing lighter weights and working your way up in weight. That might help build your arm strength.

Description : If you have installed acoustic guitar pick-ups was it how was your experience?

Last Answer : I haven’t personally installed pickups in and acoustic guitar, but I can’t imagine it being that difficult. If you’ve installed a pickup on an electric guitar I’d say it’s pretty similar. I only suggest being careful when drilling a hole for the ¼” jack output.

Description : How would you handle UPS packages with this setup?

Last Answer : Pick them up from the depot…

Description : How do I make sit-ups harder?

Last Answer : Use some padding and more weight?