What is a UPS? (Uninterruptible Power Supply)
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- Опубліковано 3 сер 2024
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An Uninterruptible Power Supply is a device that is used to keep computers and equipment safe when there is a loss, or a significant reduction, in the primary power source.
Once this is detected, the control is transfer over to the batteries, and via an inverter, the batteries DC voltage is converted into AC for the devices.
In reality, it doesn’t have to be computers systems and equipment that are kept alive by UPS. It could be anything from a fish tank, to a foot massager!
We aren’t just talking about plain power outages, lights off, TV off, everything, but we can sometimes get spikes in power where a sudden drop can assure our devices are momentarily powered off, or something known as a brown-out.
The amount of time the UPS can sustain a system for can vary, but it allows the opportunity for the issue to be resolved, or at the very least, allows for the systems to be shut down in a controlled manner.
Since a UPS is a system that uses batteries to power a system should the supply be compromised, we, of course, have batteries and a battery charger.
Since the batteries use DC current and our incoming supply is AC current, we need to convert DC to AC using an inverter.
A UPS provides second-level surge protection, but although it does provide some protection, it should usually be used alongside an adequate Surge Protection Device (SPD) to extend the life of the UPS as well as the attached equipment.
Firstly, and the most common in smaller systems is the Standby or Offline UPS.
The Standby UPS lays in wait for its time to spring into action, and once there is a power failure, it takes control. The Standby UPS tends to be the most cost-effective UPS available.
Next up, we have the Line Interactive UPS. It is very similar to a Standby UPS but with the added ability to regulate voltage automatically.
This means that it monitors the incoming supply and can help out if it detects that the voltage is a bit low, or a spike is causing it to go too high.
It can add or subtract power in this way to make the output to our devices constant!
This type of UPS is particularly useful for the brown-out situation we’ve already mentioned, or power spikes or surges.
Now we have the Online Double Conversion UPS. This type of UPS is efficient as the primary source of power isn't the incoming supply, rather it is the battery power.
So when we have a power outage, there is no transfer switch to close, meaning no time to switch that you can get with the other type of UPSs.
When the incoming supply is ON, the batteries simply charge up. It is called a double-conversion because it converts the AC incoming supply to DC, and then the inverter converts it back to AC for the output.
In general, it ensures a far higher degree of isolation of the load from the irregularities on the mains supply.
These are the most common types of UPS available. Of course, there are other types that fit a particular form or function, but these tend to be for more specialist needs.
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I'm a business student working with a Tech Company now and this video was perfectly explained. GREAT JOB!
Great to hear that this video helped you out, Xenia! Happy learning!
Im looking right now in 128 YUASA connect battery and i finish here to see what is that lol. Im painting some big rooms with server machines..
I just realized that all cell phones and laptops are technically a UPS since it allows uninterrupted switching between battery and incoming power.
No they are not. A ups supply AC power to another piece of equipment.
No they are not, at all
I work on these and this is exactly how I explain how they work... it's the concept
@@bonesredlight You're probably the only person in the comments that isn't 12 explaining how things work.
@@tramp2892 Same concept, when laptop battery is full it automatically switch to DC on plug and when plug is off it switches to battery AC
UA-cam is really much better when I find out that you guys have uploaded a new video, Thanks a lot.
I'd really like a video about memory areas and pointers in s7-1200 and S7-1500 PLCs
Thanks for your support, Ahmed! Thats great to hear.
Happy learning! Please, let us know if you have any questions along the way.
So you have to read the instruction manual.
Excellent! I barely could finish high school but I could understand everything in this video, because the explanation was brilliant! Now I can send my resume as an electronic engineer!
Ha ha ha. Goodluck to you.
lol
Lol Agree
Me also sir
😂😂😂😂
This video was so well explained. It made what I thought would be complicated absolutely simple and clear. Thanks
Glad it was helpful!
RealPars always exceed my expectations on each and every topic, and that’s the way it should always be. Promise of another video, and overdeliver in its content, knowledge and ease of understanding.
Thats an amazing compliment! Thanks for your constant support. Please, let us know if you have any questions along the way.
These videos are very useful as I’m venturing off into the electrical world 👌🏾
Thank you all realpars team work.
You are welcome, Sameer! Thanks for your support.
you made me fulfill some gaps i had in Marine Electric Propulsion systems (in rectifiers and invertes) THANK YOU!!!
That's amazing! Happy learning.
This was so wonderfully explained. I'm so glad for the presence of such videos for free
Glad it was helpful! Thank you very much for sharing.
Explained in a straightforward way! Thank you a lot!
Thanks a million!
Good ❤
you r one of the best technical youtuber by far distance😍
Thanks a lot, Sheraz!
Thankful to you that we can learn!
You are very welcome!
Thanks for your great tutorial on great UPS. Do not be tired .
Thank you!
This video is very helpful.
deeply thankful.
Thanks for your support! Great to hear that.
GREAT EXPLANATION TAKES LOT OF TIME TO MAKE A INFORMATIVE VIDEO SO THAT EVERY ONE CAN UNDERSTAND
Thanks for your support!
@@realpars Hey! Good day! Please reply me back!
I'm interested in purchasing online ups for sound equipment, is it the right choice?
Thanks.
Keep going :)
I've appreciate it !
Great to hear that, Alexandr!
Happy learning!
Thanks for sharing, very clear explanation.
You're very welcome!
Just found out this existed. Good to know.
Great to have you here! Happy learning.
Same here. So what is the difference between a UPS and just a a battery, solar panel, micro controller, and inverter?
wow...that's the best explanation on this topic...thank you🙏
Glad it was helpful!
Thank you so much for explaining this so perfectly 😊
Glad it was helpful!
Very well explained, thank you!
Glad you enjoyed it! Happy learning
Thanks all realpars team
You are very welcome, Ahmed! Thanks for your support!
Thank you. Easy to understan
Great to hear that!
Very informative video, thank you very much 👍
You're very welcome!
Very very useful sir. I learned a lot.
Glad to hear that! Thanks for sharing
i love real pars
I will buy ups now
Thanks for the info
You are very welcome!
Thank you very much bro for sharing video ups good.
You are very welcome! Happy to hear that you are enjoying our content!
Thank you so much sir for your packaged information.
You are most welcome!
Great job by you guys.. Thanx alot..
Thank you, Margam!
thank you for this :))
You are very welcome!
Thanks a lot for informing! 🙏
You're very welcome, Forhad!
Excelente! Good job! Real pars each time better
Thank you!
Nice video Sir. Please make video on SPD, Barriers and Isolators. Difference between barrier and isolator
You are very welcome! Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
Thank you for the video , the explanation was so brilliant, now how can i size the UPS power of a system ?
Thanks for your support! Great suggestion as well, I will make sure to forward that to our course creators.
Happy learning!
Great channel and great content.
Thanks a lot, Kenny! Happy learning!
Very helpful!
Thanks a lot, Eliel!
Brilliant crew 👌
Thank you!
Well explained . Thank you, RP...
Thank you very much!
Very informative, thanks.
You're welcome!
Very Good Explained, Thanks
Glad it was helpful!
I'm quite a fan of your video tutorials. But in this one, one point is not entirely correct: double conversion UPS are not the most efficient version, quite the opposite. They offer the best power quality, since there is no interruption at all and the AC is newly generated, so no variations or harmonics from the grid are getting to the equipment. Even the frequency can be corrected or changed from 50 to 60Hz of needed. But this process of double conversion is not the most efficient, since it has permanently the losses of an AC-DC conversion plus the losses of a DC-AC conversion.
A UPS with transfer switch has very little loses, as under normal operation no conversion is occurring. But you get all the power quality problems from the grid to the load. And you can not influence the frequency.
Thank you for your comments. You are correct about the differences in efficiency (~96% for line-interactive, ~90% for double-conversion), but this is rarely the decision point for selecting one over the other. As you indicated, there are specific advantages to the double-conversion design, which are necessary in particular applications. Both UPS designs provide efficient operation; >90% efficiency is very good for any electrical device.
Double Conversion also has the battery in use 100% of the time, reducing battery life length. Replacement batteries are expensive.
Very informative. Thank you😊
Glad to hear that! Thank you for sharing, and happy learning
Can you put a video on Gas flow meters like RPD meter, Turbine meter, Ultrasonic meter and its uses and selection based on application.
Hi Suriya,
Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
Beautiful teachings
Thank you very much!
Like to know about Probes &Vibration Monitoring systems can you do a video on it
Good informative video, thanks
Glad to hear that!
Thank you so much for your video
Glad it was helpful!
Hi. The video is really good and informative for basic understanding. Kindly share the knowledge about how to size the UPS?
Sizing of UPS systems is based on load and required time for supplying backup power. A simple way to do this is to add up the loads (in VA or Watts) of all connected equipment and multiply by 1.2. Then go a UPS manufacturer's website and select a UPS that will output at least the total load that was calculated. Then, decide how many minutes of backup power is required, and select the desired model from the data given by the manufacturer. Most manufacturers can help you do the calculation, and many have "calculators" on their websites.
@@realpars Thanks a lot 😊
Good work keep it up wish u guyz can create more stronger ups the one can manage heavy load for example fridge that will be better
Thanks a lot!
nice explanation
thanks
can you do a video about it's filters and SPD
Hi Coolman, thanks for the topic suggestion! I will definitely go ahead and forward this to our creator team. Happy learning!
Much better than wikipedia!
very good explanation
Thanks for your support!
Pls inform do we need to keep ups switch on from switch board( switch off from powwer button) all the time even when we are not working on computer. Keeping switch on all the time affects internal part as ups get little hot. UPS ( APC BACK 600 IN).
Great Job.
Thank you, Hussain!
Thank you
You are welcome, Derin!
My co-workers at my job let me have a UPS battery like this to hook up my TV, game console, and Blu-Ray player at home for my own personal enjoyments in case the power goes out. I have a TrippLite Internet Office 550VA Ultra-Compact Standby 120V UPS, and got me wondering how long it lasts when the power goes down.
Thaaank youu sir
You are very welcome!
Well explained
Thank you!
Thank you very much!
You're very welcome!
Thank you very much
You're very welcome, Chris!
Thanks for this formation
Our pleasure!
@@realpars thanks
Very good!
Thank you!
Awesome! Thank you
You're very welcome!
Do your courses cover FBD and STL as well? I notice a lot of the icons are ladder which isn’t used in my company. Thanks!
Hi,
Thanks for your comment!
Our courses are mainly based on LAD, we currently do not have courses on STL.
Please, feel free to have a browse through our course library to see what topics we cover at the moment. bit.ly/30AVJaR
Feel free to reach back out if you have any further questions. Happy learning!
thank you so much!
Our pleasure!
some ups have solar panel input (solar charge controller inside) and a generator starter in case blackout is too long.
Perfect😁👍👍👍👍thank you a lot
You're very welcome!
Great video
Thank you, Simon!
Hi,
Nice video 👌 ( UPS )
Please upload how to transfer the load to battery bank ( Setting ) & troubleshooting
Hi, thanks a lot! I will definitely go ahead and forward your topic request to our creator team. Happy learning!
@@realpars
Hi
Please upload UPS General Maintenance & load shifting to battery bank
Can you do a video on Inverter and converter comparative study?
Hi Phani,
Thanks for the topic suggestion, I will forward this to our creator team. Happy learning!
Excellent!
Glad you liked it!
This video was wow thanks alot
Glad to hear that! Happy learning
Thanks. Jesus Christ loves you ❤️
Try to connect multiple UPS to one another and see hoe many time you would have...
Please Do make a video on wapda inverter and conveter
Thanks for the topic suggestion, Hassan! I will definitely go ahead and forward this to our creator team. Happy learning!
Its act as a backup power system, its reduce power fluctuations.
Thank you sir. Make this type video's
You are very welcome, Jack!
Thanks
please cover a video on PDU (power distribution unit) ? please explain the meaning & usage of PDU
Hi Shivon!
Thanks for your comment and your suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
Super sir
A good recommendation from UA-cam
Happy learning!
Thanks ❤
You're welcome!
Nice video i like your videos
Happy to hear that, Shubham!
Hello: thanks a lot for your video. Could you please inform if this video is for commercial UPS's and not for Industrial UPS's? Regards.
The concepts shown in the video apply to commercial and industrial UPS systems. The main difference is in size and capacity of the batteries and switching systems. Commercial office and home UPS systems are typically 1-phase whereas industrial UPS systems are typically 3-phase devices.
Veeru nice sir
Thank you, Haja!
Can you please explain Static switch in UPS. Its construction,its components and its working.
While the UPS is on-line, either on main or battery power, the static switch is in ‘Load On UPS’ state, connecting the inverter output of the UPS to the load. However, if a UPS fault should develop, causing either the voltage or frequency at the inverter output to exceed acceptable levels or an overload , the static switch changes over without power interruption to ‘Load on Bypass’. The circuitry is all sold-state, with voltage and current comparators determining the health of the UPS output. The static switch fails over to bypass power if a problem internally to the UPS is detected by these circuits.
@@realpars You've left a LOT out. He asked how it works. Lot's of UPS use different methods.
Some fully rated solid state, some a mix of contactors and partially rated SCRS.
You've not mentioned the two pairs of SCRS, (usually), or much else.
Nice sir !!!
Thank you, Sudeep!
@@realpars sir I request You to make more videos on ELECTRICAL INSTALLATION Topics and on TRANSFORMERS unit
uninterruptable power supply is device to keep computer or equipment safe when loss or significant reduction in primary power source. Ups houses several batteries that take over when it detects a loss or reduction in available power. Once detected, control is transferred over to the batteries
Nice found that in some pc games without ups for competitive i had some mouse lag bought UPS and its gone and i live in new house
hello ....please make a video about (SPPA T 3000) CONTROL system best regards
Hi Derin,
Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
That's great 💙💙
Thank you, Michael!
Tq so much
You're very welcome!
thanks
You're more than welcome!
Useful
Glad to hear that!
An ups battery will burn for 3 days non stop if it has a minor problem. So extreme caution should be taken when using them. Similarly big computers. The fire cannot be stopped because it is an electric dc shot circuit. At least 50 metres gaps are required for usage. Any DC system is like that. Some of them can burst to a range of 2 miles. Similarly huge TVs. Don't ask me why again and again.
I would like to ask if the battery charger works as the same as the rectifier does converting AC to DC?
Yes. Battery chargers use a rectifier to convert AC to DC, and they have additional circuitry to limit current to the battery charging circuit.