Power Factor Explained – The basics what is power factor pf



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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Comments

  • ⚠️ Found this video super useful? Buy Paul a coffee to say thanks: ☕

    PayPal: https://www.paypal.me/TheEngineerinMindset

    The Engineering Mindset June 29, 2020 3:28 pm Reply
  • Really helping and cool

    Surendranpillai Br June 29, 2020 3:28 pm Reply
  • Can any one help with this question: “When a series circuit comprising of a resistor and a capacitor is connected to an AC supply, the current will: ?

    Ben Rayner June 29, 2020 3:28 pm Reply
  • Read Error at 6:11.
    Don't divide but multiply

    Aythami Espantoso Luis June 29, 2020 3:28 pm Reply
  • I'm engineer I didn't see explanation same this , really amazing, thanks a lot

    Mohammad Abdul Fattah June 29, 2020 3:28 pm Reply
  • very nice

    Bohol L-Lectronics & Automation June 29, 2020 3:28 pm Reply
  • disliking this video are frustrated professors

    Munib Khan June 29, 2020 3:28 pm Reply
  • I used a 3 KVAR capacitor on my 5 HP motor with 0.83 Power factor. Will it be too big?

    Zero X June 29, 2020 3:28 pm Reply
  • I jWL vs 1/jwC. Capacitance lags and inductance leads but I guess it's a matter of perspective lol

    chris s June 29, 2020 3:28 pm Reply
  • 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

    Senam Dagadu June 29, 2020 3:28 pm Reply
  • That's a pretty good video , Power factors depends on the r+xj the resistance and inductance however power rectification or better known as power compensation depends on the location of capacitors for example : if you install the capacitors far upstream the inductive load "the whole network downstream the capacitors does still have a poor power factor as the reactive inductive current will still pass that route all the way through to the load

    Keepit100 June 29, 2020 3:28 pm Reply
  • I didn't know electricity have foam 🤔

    Joroc June 29, 2020 3:28 pm Reply
  • Sir a little correction, The True Power(kW) formula, It should be Apparent Power(S) x Cos teta, as mentioned
    (kVA) not Reactive Power.

    YanV Hobbies June 29, 2020 3:28 pm Reply
  • Outstanding, one of the best presented graphical and methodology topics I have viewed

    berrec June 29, 2020 3:28 pm Reply
  • The formula of true power is
    "true power =appaarent power×cos(θ)"

    keerthan nani entertainment channel June 29, 2020 3:28 pm Reply
  • What is that mean by 25.51kvar capacitor size because capacitor units r generally in faradays.

    Sandeep Shriwas June 29, 2020 3:28 pm Reply
  • My electrical professor was old school and he taught us how to calculate power factor without special meters that tell you what it is. Until today I didn't know you could actually measure apparent power lol. Good to know because I forgot all the formulas 🙂

    NovaNinja June 29, 2020 3:28 pm Reply
  • Error in text box at 2:38 (https://youtu.be/Tv_7XWf96gg?t=161) True Power is not as shown but shud be

    True Power= Reactive Power x (1-tan θ)

    and NOT … x cos θ

    Anthony Stewart June 29, 2020 3:28 pm Reply
  • How would you and a capacitor to the building service please

    Richard Diaz June 29, 2020 3:28 pm Reply
  • So brilliantly simple and clear. Thank you

    Clair Hikawai June 29, 2020 3:28 pm Reply
  • What is working of inverter welding meshine

    JAFAR SWADIK June 29, 2020 3:28 pm Reply
  • If ony the adds would just play at the beginning

    paddy mcginty June 29, 2020 3:28 pm Reply
  • Very intetesting vid. Looked at power factor of some LED'S and could not beleive they get away with a 85% power factor with ever increasing energy codes one would think that all LEDS should have at least a 92 to 95% power factor.

    Tom Garbo June 29, 2020 3:28 pm Reply
  • Great presentation. however, from the beginning of the presentation, the analogue to glass of beer is not correct. In case of beer you pay for the glass and want to have as less foam as possible. while in case of electricity, we are charged and pay ONLY for the active power. we don't charged for the reactive power! therefore the electricity suppliers companies demand to have power factor equal or greater to 97% to maintain their electricity/power losses. if not power correction must be applied in big factories…using synchronous motors as an example.

    Reuven Levitanus June 29, 2020 3:28 pm Reply
  • In the bad power factor diagrams, it seems like you have 0 voltage difference but still have current running. am I reading this correctly? what am I missing?

    Ariel Bluman June 29, 2020 3:28 pm Reply
  • Great explanation

    help sociaties June 29, 2020 3:28 pm Reply
  • I only came for the beer… that was the best bit!!

    Politica Prowla June 29, 2020 3:28 pm Reply
  • THE POWER FACTOR HANDBOOK, By The Engineering Mindset. That's all we need for understanding the power factor.

    Nurahmed Omar June 29, 2020 3:28 pm Reply
  • i have to say thank you …

    Bilal Alimami June 29, 2020 3:28 pm Reply
  • What about the used of VSD and AHF impact on power factor?

    Y Sr June 29, 2020 3:28 pm Reply
  • Great stuff! Much better than all these low grade tech "learning" videos on Youtube, most of which come out of India.

    Michael Economides June 29, 2020 3:28 pm Reply
  • please make a video on phase angle ,pmpo

    SAJAD HUSSAIN June 29, 2020 3:28 pm Reply
  • animation at 2:30 – as the foam (Q) increases, and the glass remains the same (S), beer (P) should be decreasing. In the triangle it's a little bit messed up, but I got your point.

    hardcore_jesus June 29, 2020 3:28 pm Reply
  • The best explanation that I have ever seen!!! 1000 BRAVO

    Double.X_2X June 29, 2020 3:28 pm Reply
  • There are two mistakes at min. 2:35
    – True power (KW) = Apparent power (KVA) * cos(theta)
    – Power Factor = cos (theta) = True Power (KW) / Apparent Power (KVA)

    Luis Timana June 29, 2020 3:28 pm Reply
  • Best video on the subject!!

    Mohamad Rifat Ahmed June 29, 2020 3:28 pm Reply
  • how do we know if its a leading or lagging power factor?

    Mateen Lakhani June 29, 2020 3:28 pm Reply

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