Power Factor Explained - The basics what is power factor pf

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What is power factor? In this video we learn all about power factor starting at the basics. We cover, what is power factor, what is good and bad power factor, how to fix bad power factor, what is leading power factor, what is lagging power factor, how capacitors, inductors and resistors affect circuits as well as how to calculate the power factor correction.
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21 июн 2024

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Комментарии : 799

@EngineeringMindset 5 лет назад

⚠️ *Found this video super useful?* Buy Paul a coffee to say thanks: ☕ PayPal: www.paypal.me/TheEngineerinMindset

@MrAbdalla915 5 лет назад

Please keep on ...your channel one of best I watch on RU-vid

@sydneyhunt6681 5 лет назад

Know what Ether is buddy all the best

@radhakrishna1008 5 лет назад

@@MrAbdalla915 can u suggest any RU-vid channel like this one which i can subscribe for Electrical Engineering???

@bonfaceoricho2498 5 лет назад

Awesome

@lukmly013 4 года назад

I just lost here

@dangermace11 4 года назад

I'm an electrical engineer of 30 years and I'm telling you now I couldn't think of a better source of engineering information than this channel. Its so well put together and explanations are (99.9%) of the time spot on. Paul, I've said it before I wish you were my college lecturer many moons ago! Keep up the good work

@borysnijinski331 2 года назад

How can you be an electrical engineer for 30 yrs and not know these fundamental electricity concepts?

@dangermace11 2 года назад

@@borysnijinski331 I didn't say I didn't know them

@calyodelphi124 2 года назад

QQ: This video stops at the calculation of the leading-factor apparent power that has to be introduced by capacitive loads. How would one go from this stopping point to figuring the amount of capacitance one must introduce into the system in order to introduce the correct amount of power factor correction into the system?

@gabe8515 2 года назад

I don't even bother watching my lectures anymore, i just lookup the topic and find someone that can explain it 50x better!

@yasseer6463 2 года назад

@@borysnijinski331 😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

@RajanSamuel555 Год назад

Hello Paul, I spent 8 hours today trying to learn Power Factor from my course notes and text book. Became really highly frustrated because nothing made any sense. Then I watched and studied your videos. I first went through Resistance, Capacitors, Inductors and Induction Motors and then I did your entire Power Factor Video including all calcs. I starting with your videos at 22.00 on Monday night. Its now 03.34 on Tuesday morning and I can now say that I have mastered Power Factor. WITH ALL MY HEART, THANK YOU PAUL. YOU ARE MY SUPER-HERO. Your Videos are super fantastic. Please keep up the Excellent work! Regards, Rajan. South Africa

@raidoung4100 6 месяцев назад

buy him a coffee some day ! Cheers !

@emptech 3 года назад

That was probably the best layperson's explanation of power factor, kvars, etc. Many years ago I was brought in to work on an inductive furnace, used to melt aluminum. The system was driven by a motor-generator. On the control panel was a meter labeled KVARS, part of the scale was in RED. We were getting readings in the red, I didn't understand why. We also had a bank of capacitors that could be switched in and out. I spoke with one of our proffesors and he gave me a very good explanation. What we found is that some of the switch contacts on the capacitor bank were worn out and we were unable to change the PF. The switch said we were adding capacitors but in reality, we were not. Having taking power quality classes since, what has changed in a building is the type of load. Much of it today is from switching power supplies in computer equipment, also many of the motors used in HVAC are soft start and variable frequency. One obvious clue is to feel the temperature of the power panel, as the PF drops, the panel gets warmer, from the losses, and we pay for it. I wish I saw this video 30 years ago, very good. Jim

@privacyvalued4134 Год назад

30 years ago? RU-vid started in 2005 and therefore didn't exist in 1991. Neither did the Internet. Well the Internet did exist in 1991 but was only seen in educational environments for a bit before it started taking off significantly in the public space in 1993/1994. In those early days, downloading a video the size seen on RU-vid today would have been unfathomable on dialup where it took about 10 minutes to download 1MB.

@dantekester4644 2 месяца назад

@@privacyvalued4134I think you may have misread his comment. He wrote “I WISH I saw this video 30 years ago…”

@colinhunt1095 2 года назад

I used to work in PFC, and this way of explaining the problem, and solutions is first class. It is hard for a non electrical engineer to understand the concept, but most people could get some understanding from this video. Regards.

@blaketimmons6580 4 года назад

I'm an Electrical Engineer, and I explained this concept many times. I find this is one of the best descriptions.

@aaronramsden1657 3 года назад

Ok, so after reading dozens of text books I've come to the conclusion this is the best channel for me to watch and actually understand concepts.

@EngineeringMindset 5 лет назад

Learn how *THREE PHASE ELECTRICITY* works here ➡️ ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-qthuFLNSrlg.html

@byronjones3579 5 лет назад

Mate such a legend. Your lessons are amazing. Such a good teacher as well. Keep them videos coming please.

@moistmike4150 3 года назад

I WISH I'd have had vids like this back when I was a kid trying to internalize information from various text books on these subjects. MUCH more intuitive than the abstract stuff you get from ink-and-paper. God bless you!!!

@sergiosaenz859 10 месяцев назад

It is the first time someone makes electricity easy to understand for me. Thank you!

@matheoscolettowermuth3887 3 года назад

I am a newly graduated Electrical Engineer and this videos are amazing, simple yet very pertinent information and explanations, keep up the good work!

@aaronramsden1657 2 года назад

Thank you so much Paul for these amazing explanations! Most text books are super confusing but you've managed to find a way to make these easy to learn!

@N4TH4N23 5 лет назад

One of the best explanations I have seen yet, well done!

@ZNCenergy 28 дней назад

Magnificent! I have no background in electrical engineering and I work for an electric vehicle charger company. Stuff like this really helps me look smarter in front of customers and explained way better than I could find anywhere else!

@Tenshiwa 4 месяца назад

This 10 minute video, explained it better than my 2 hour lecture did.

@navassharif7228 5 лет назад

Man! You have cleared my vision.no one here to explain like this.upload more and more video .you have great knowledge with ease of teaching.

@jeanpaulkyokya2341 2 года назад

Your analogies really are helping picture these concepts. Thanks for the time invested in making these videos !

@ibeatits Год назад

This may be the single best electrical engineering video I have ever seen. Such a clear and practical explanation of what is one of the most complex but fundamental concepts in electricity. Love this.

@rahulbalaji2637 4 года назад

I spent almost half a day to find the exact video that i wanted. Awesome ! Hats off to your work !

@SS-rk7bu 4 года назад

I found RU-vid channels better than my Electrical teachers Thank you for the good explanation

@shreyanshdas7481 5 лет назад

Wow you sparked my interest in science.

@raymondgarafano8604 3 года назад

Koooooool, science is GR8. I don't even know if they teach it anymore. any kind of science the 3 classes of levers, torque /speed, We had a gr8 science teacher, he had an old telephone magneto from the Beverly Hillbillies . hookt it to a lamp. and unscrewed the bulb. magneto was easy to turn quickly. once the bulb was in the circuit, well friend, more torque needed as the current flowin thru lamp, also flowed thru armature in magneto. all those turns of wire made the armature an electro-magnet and its poles were attracted to the field magnets, that is why there was a 'drag' effect cuz work was being done. It shows from the 1st half of the experiment when lamp was not on and if a voltmeter were hookt across the lamp you would have seen the volts the mag was putting out, yet was e.z. to crank. then when lamp was lit, the work it took to lite it. so amps is the electrical equivalent of TORQUE and volts, the electrical equivalent of SPEED. Hope this helps you understand a bit more of science.

@pahvalrehljkov 3 года назад

honestly, best ever explanation of power factor for me was that example with a beer glass.. so simple, yet so precise... kudos to you!

@emanvlogz8088 2 года назад

This video cleared my concept of power factor. Before this, I was always confused and ambiguous. Thank you for these elaborative videos and keep it going. This channel is God sent literally

@danielhady3021 Год назад

This is the best way I've seen power factor and VARs explained. The beer analogy was genius. I tried to explain power factor and VARs to someone and found it difficult to lay out the concept without getting into inductive and capacitive reactance. The beer analogy cuts through all of that into a digestible concept for the average person.

@gordsteindel5061 3 года назад

Possible correction and suggestion ...at about 2:37 In the True Power formula, I think the label for the first term was intended to be "Apparent Power" (kVA) in yellow or orange, as opposed to "Reactive Power" (kVA) in green. Also in the final Power Factor formula it is hard to tell whether the symbol between the two terms is ÷ or +. I think it is ÷ though / might be clearer.

@arunbaburaj9489 2 года назад

Yup. That's correct.

@griffmustard 2 года назад

Gord, good catch. I saw that as well. The last formula, the symbol is a Division Symbol. If you compare it with the Plus Symbol in the formula above, under the radical, there is a clear difference.

@timothyjewett625 Год назад

glad i read your comment, i wrote a plus when copying the formula. thanks

@tnig Год назад

So does the reactive power go back into the grid? Or is it completely wasted?

@ANIME-FOR-LYF Год назад

or cot instead of cos

@Gooldo78 5 лет назад

La mejor explicación!!! Súper genial Felicidades Y gracias!!!

@Mr2Xri 4 года назад

The best explanation that I have ever seen!!! 1000 BRAVO

@ryank3281 4 года назад

I hope there’s video like this during my college years. Studied about lead lag but don’t have an idea what it’s for.

@saviourmadeit 4 года назад

thank you i really appreciate what u guys are doing for us we the young engineers of today after watching numerous of your videos i now understand what my lecturer means in the class room

@kevinhuffman1780 4 года назад

Thank you, I’m trying to learn about power factor, I work in an industrial plant and we deal with it for induction and synchronous motors. This is good information.

@mellowrebel4618 4 года назад

Buy an UGLYS book it has all this in it!!!and the code.

@deustitties3589 5 лет назад

Great video, as always. I'm hoping you'll make one regarding three phase generators and the way they are connected (delta and Y configurations). Cheers!

@alwaleed17 5 лет назад

Very comprehensive video. Thank you

@aaronchu0427 3 года назад

Another concise, well paced and info packed video. Thank you.

@berrec2650 4 года назад

Outstanding, one of the best presented graphical and methodology topics I have viewed

@Meteora125 5 лет назад

Very well explained!

@santonio2111 Год назад

I'm very thankful on how well you explain the concept as now even though I'm currently struggling in my circuits course, I'm able to realize and connect different concepts in an ac circuit especially about this power factor. Kudos to you and look forward to watching more of your videos.

@robo-suport_czrobofactory3116 3 года назад

you are a live saver, i didnt comprehend alot of the basics before seeing your animations...

@user-yn5ym1od7d 5 лет назад

Very nice explaination

@JEDELCEL 5 лет назад

Great videos of yours, I appreciate deeply each one of them. I've found the animations particularly descriptive, much more than all the drawings I could see on student books. I did not go through all the commentaries to check whether someone already commented on the slide with the trigono. A minor mistake :. True Power [kW] = Apparent Power [kVA] x cos(Theta) or True Power [kW] = Reactive Power [kVAr] / tan(Theta) but not True Power [kW] = Reactive Power [kVA] x cos (Theta). I guess you meant : equation 1 squared + equation 2 squared = equation 3 squared, so Eq1 should read : True Power [kW] = Apparent Power [kVA] x cos(Theta). Correct ? Also Power Factor = cos(Theta)=True Power/Apparent Power (the division symbol can be confused with a + sign). This was already mentionned in a previous comment. Hoping it helps.

@bojieboi9646 2 года назад

The concept of the Power Factor has been very well explained. I hope that electronics engineers from our school find this channel. :)

@hokmuranbayramov6906 3 года назад

The best video and explanation ever. I understood totally and found answers to my lots of questions. Thank you very much!

@stevepritchard7957 3 года назад

A great video and analogy to how power factors affect current supply 👏

@MickyBlutube 5 лет назад

Thanks, great explanation.

@caphekythuat 5 лет назад

Very nice.Thank you !

@keremsahin5482 2 года назад

Many thanks for this excellent and simple explanation. This video and each video in this channel is very precious. You guys rock!

@michaeleconomides4054 4 года назад

Great stuff! Much better than all these low grade tech "learning" videos on RU-vid, most of which come out of India.

@bobgarr6246 4 года назад

After many decades of doing operations, maintenance and repair in power substations and not " fully " grasping the concept of kva power factor, which was used for transformers, very large transformers, fan plant motors, pump room motors, compressor motors, overhead crane motors etc. I now have a better understanding of power factor and kva rating than I did all those years working with equipment with a kva rating. To be fair, in performing my job a true understanding was not nessecerry as I had no part in the design and specifications of the equipment, that was the engineering department. I just operated, maintained and repaired the equipment. Thanks for a better understanding.

@prasantakumarsahoo8673 4 года назад

Excellence demonstration.Thank you.

@1985WUCT 4 года назад

This is very very very useful! Thank you!!!

@clairhikawai2171 4 года назад

So brilliantly simple and clear. Thank you

@ahmedraed5141 5 лет назад

Simple..enjoyable..brilliant🔥

@yiannisserpico2646 Год назад

This video should be taught on all electricity engineers if they truly want to understand what power factor is. You are fantastic!!

@armadatint 5 лет назад

Awesome videos. Great teaching

@querrythis 3 года назад

From 1 query, you have me hooked. Seriously.

@Deepanimosity 4 года назад

I got my EE degree 7 years ago and it wasn't until this video that I actually understood this concept.

@RofieeTwo 4 года назад

The biggest problem with most universities teaching EE is their emphasis. They emphasize too much on doing the complex calculation instead of basic concepts. What are we trying to accomplish with those numeric computations? Why is it so important to calculate the power factor? Yes, we know it is for efficiency but had no idea how to correct the problem or that utility company could charge us more (basic economics). Another big problem - fast pace. We cover so many materials every semester that everything is a rush. We don't get to enjoy and reflect back on what we have learned. Having an EE background actually helps me enjoy these videos, like watching a good movie - no stress at all compared to in an actual class. Made me appreciate all the things I have learned in EE. Got my EE degree in San Diego, California.

@GowSi_Knowledge_Park 5 лет назад

Clear explanation about power factor. Very nice video.

@alexakishatingson6248 2 года назад

I am an electrical practioners here in the phillipines.. Im so very thankful for studying like this. keep up the goodwork. 😉

@brunobf00 3 года назад

Thank you for the detailed video on a difficult topic. Have you by any chance covered in other videos the interactions between UPS/no-break (squared waves and true sine waves) versus computer power supplies (high efficiency through PFC vs regular non PFC)? And also how the filtering mechanism (PFC) can actually overload the non sine-wave UPS?

@sheepleslayer586 4 года назад

Binge watching all his vids. Not in school atm, but still found them interesting and insightful.

@AMS-1 3 года назад

Wow thanks for the explanation. To the point and really well explained. Wish my lecturers explained in this way.

@aungkos0072 3 года назад

This is practical like explaination for engr studs. Nice,thumbs up for this, thx Mr.Paul.

@noussaibamennai1484 4 года назад

There's a mistake sir check 2:41 True power = apparent power kva X cos théta . 😇

@pusongpinoy754 3 года назад

i noticed that too because cos angle should be VAr/SVA from the power triangle

@pusongpinoy754 3 года назад

correction, should be KW/VA

@erfan_muhammad 3 года назад

yup.. it was repeatition of first formula.. just play around with that.

@harshalbarve9091 2 года назад

Amazing. The best explanation about P.F anyone can get👐

@ednogg47 3 года назад

This video helped a LOT! Thanks for making it

@bandaraekanayake9483 4 года назад

Very important video lesson about electrical power factor explanation Thank you very much.

@Jaden-up3bg 4 года назад

YES! yes!! This is what I needed!!

@TimvanWessel 3 года назад

I wish every school could explain as clearly as the video's on this channel they really help me understanding what im learning now. If they would be in dutch i would have dragged the class to this course. One request could you do one on Harmonics? I find it hard to correctly understand this. Or it could be that im not ready for it.

@kimvibk9242 5 лет назад

I'm a simple man...I see a glass of beer in the thumbnail and I click it.

@jkj1459 4 года назад

WOW WHAT A TRUTH TELLER ......SO YOU MAY DOUBLE CLICK IN CASE OF BLUE LABEL WHISKY

@JustSnapper 3 года назад

Same

@RayhanulSumon 3 года назад

Same

@truefaceofmo8307 3 года назад

Simply good power factor 🍺 beer..

@kieranfester3296 3 года назад

Indeed sir, indeed.

@timmyhigh9213 4 года назад

Love your videos, explanations are tremendous!

@peckelhaze6934 5 лет назад

A very good explanation.

@bishwoshrestha2130 4 года назад

Thanks for This video, it is found very useful for me. Though it is simple and learnt in college, leaning it now while in need is more useful.

@saurabhpathak3527 4 года назад

Thank you so much sir...best explaining and delivering skills .

@zuhadbinkhalil3966 3 года назад

This video is very helpful. Thanks a lot for this amazing explanation.

@boomgee9735 5 лет назад

please keep on making videos like this.. thank you

@habotssar8429 4 года назад

This is a pure Electrical Engineering class!! I'm excited!! When you talk about phasors you are talking about complex numbers! I love the Euler identity and Taylor series around zero (aka macLaurin Series) ... eipi = -1 😂 To achieve maximum power transfer coupled circuits must comply with: Z1 + Z2 = R Where Z1 = Z and Z2 = Z* Z is a complex number/impedance 😂😂

@shubhamupman7260 3 года назад

Tysm!! Never understood these concepts so well before

@GururajBN 2 года назад

Superbly lucid explanation. I don’t think I could have understood the subject but for this video. I thought that voltage multiplied by amperage gave wattage or energy. Thank youuuuu! 👌

@heatherhamilton2597 5 лет назад

Terrific video! Thank you.

@jerrylima7003 Год назад

Studying level 3 of electrical engineering, this channel is very helpful. Thanks bro.

@MrReeferRod 10 месяцев назад

Awesome! I’ll be sure to use the beer analogy next time I have to explain PFC to anyone! Bloody brilliant idea especially when at the pub and wanna sound clever! Cheers from Australia mate and keep up the great vids 😊👍🍺

@vishalsathiaseelan679 2 года назад

You are a living legend. Thank you very much 🙏🙏. Love from Malaysia ❤

@zone_luck5242 2 года назад

those books (of 1000s of page) made it more difficult for us to understand these concepts. And it took Paul, just an 11 mins to teach us this query. Keep going brother! we need more of you.

@louiskimbini2231 5 лет назад

I think this is the best way to explain about a power factor

@imantssafronovs9245 2 года назад

Best electrical ed channel out there.

@qzorn4440 2 года назад

this is the best way to explain PF to managers, students, and great refresher material... thanks a lot... next how the power grid is changing with thousands of inverters on line...:) ohoh

@rahgahnah 4 года назад

Hey look some abstract concept from first year where I had no idea what the instructor was talking about. Good thing for you tube...

@nolezosa8912 3 года назад

Very well explained. Thank you sir for sharing your knowledge.

@jmr 2 года назад

I was just trying to figure out what an acceptable power factor was...... I got a little bit more information. This was a great refresher on some things I forgot.

@sandymiguel3737 3 года назад

Your channel is amazinggg!!!! Thank you for this awesome content!!

@bruceebikewenemoweikelly2151 3 месяца назад

I recently had a talk about this with my colleague. This is a really great video. 👍

@bkpunt8633 Год назад

beer analogy was the best!!! thank you!

@sun99149 4 года назад

i have to say this is a very very good video!! Thanks!

@matt.baller 3 года назад

Thanks so much for these videos. I have zero background in electrical engineering (except GCSE physics in 2002...) but am in a relevant industry now. I'm also awful with maths. I don't need to be the expert at all but I'm working to understand the basics. These videos are so well made, clear, and easy to understand... Thank you again I really appreciate it!

@mgamga 3 года назад

Great Episode, Thank You.

@odiliomartinez4338 3 года назад

i found it, simple and to the point. thank you

@sk8pkl 4 года назад

Very helpful! Thankyou very much!

@ketangulhane1631 4 года назад

Sir your are explaining excellent. Your video is very knowledge full ti us..animation is better for understanding any concept. Your video is very helpful to students increase the knowledge. Thank you sir... Keep it up.