Electronic Basics #38: True, Reactive, Apparent & Deformed Power



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In this electronic basics episode I will tell you all about the different kinds of power that exist. That includes true, reactive, apparent and deformed power. Along the way, I will demonstrate how reactive power gets produced and ways to counteract it. At the end you should understand that all kinds of reactive power are a problem for our power grid.

Music:
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod
(incompetech.com)

Nguồn: https://baggersoriginals.com/

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Comments

  • Terimakasih untuk penjelasan nya, begitu jelas sekali penjelasan tentang saya reaktif

    Calon wong bebas July 2, 2020 3:58 pm Reply
  • still waiting for EB#39 PFC

    anwar setiadi July 2, 2020 3:58 pm Reply
  • so excelent good jobs!!! 👍👍👍

    anwar setiadi July 2, 2020 3:58 pm Reply
  • 5:28 Please use something to avoid being fried by mains voltagei future videos

    Vincent Guttmann July 2, 2020 3:58 pm Reply
  • Why is reactive power required in the mains electricity grid?

    BarnOwl July 2, 2020 3:58 pm Reply
  • Great video man; thanks a lot!

    ventje mazzel July 2, 2020 3:58 pm Reply
  • Correction of Translation Error @ 07:47

    What is called "Scheinleistung" S in German is NOT the apparent power S but its magnitude as apparent power actually is "Komplexe Scheinleistung" in German:
    German // English
    "Scheinleistung" S == "apparent power" |S|
    "Komplexe Scheinleistung" _ ̲S̲ _== "complex power" S

    The complex power S in VA is the sum of the true power (active power) P in W and the complex number j times the reactive power Q in var .
    Therefore, the complex power is the resulting vector, the apparent power |S| is its (non-complex) magnitude.

    Green Coder July 2, 2020 3:58 pm Reply
  • Just when I thought phasor diagrams of a transformer are complicated, this guy throws a whole new bag of cats

    Sizifus July 2, 2020 3:58 pm Reply
  • Hello Scott!
    I have a suggestion for a Electronics Basics video – Feedback system.
    I know, it might be simple, but in my opinion it would be great to see a EB video about it to understand it better 🙂 , because i quite dont know, how to make a feedback system for my future project – modified squarewave inverter by your design 🙂

    MARKYS July 2, 2020 3:58 pm Reply
  • I learned that at school this year, I wonder why I didn't watch your video before but thank you anyway

    Philippe Agbozo July 2, 2020 3:58 pm Reply
  • The reason the power grid don't like those load that are not pure resistive is the wasted heat in the he transformer.
    Any higher frequency harmonic created by the laptop power supply or the dimmer is affecting those fine tuned transformers. They are normally so efficient that little heat is created. But any perturbation suddenly increase the heat and, given million of them everywhere, one with small defect will self destroy.

    Christian Gingras July 2, 2020 3:58 pm Reply
  • Needlessly confusing.

    Donatas Mockus July 2, 2020 3:58 pm Reply
  • Could you do a basics video on PWM Controller IC? I know you get Voltage to PWM and Current to PWM, but which is better or easier to use?? I'm hoping that understanding them better will help me with a project I'm working on. I'm looking to create a 25khz PWM signal for 4 pin PWM PC fans, but not sure what to look for when looking at a PWM generator IC. There are tons of examples to use PWM for LEDs, but for the 4 pin PC fan there is very little. I know a Arduino can do this, but my ultimate plans are too much for a Arduino. I would need at least 2, probably 3. And so I'm looking to make my own 4 pin PC fan controller board for the main project I have in mind.

    I've learned tons from you vids and I hope you keep doing them for a long time.

    Nic_s July 2, 2020 3:58 pm Reply
  • Good video and good self-gift 😉 Thanks for sharing !

    brainfornothing July 2, 2020 3:58 pm Reply
  • 9:12
    FULL BRIDGE RECTIFIER

    MitsuZer0G July 2, 2020 3:58 pm Reply
  • Wow Scott this is really a great video on the subject. I can't wait to see more videos on these more advanced topics

    B1tW0lf July 2, 2020 3:58 pm Reply
  • MULTÏMËTËR

    Bartłomiej Sopata July 2, 2020 3:58 pm Reply
  • i did not understand how can power factor cause damage to our power grid, and why is that laptop power supply bad. can someone explain please?

    rapolas st July 2, 2020 3:58 pm Reply
  • You just taught me in one video a topic that the professors at my school couldn't teach me in weeks of lessons.

    Raygen July 2, 2020 3:58 pm Reply
  • Do you have a playlist of all Electronics Basics videos

    Matt Lorge July 2, 2020 3:58 pm Reply
  • PF isn't that important for such low power devices. It is important in industrial scenarios; that's why they measure and charge for it!

    These videos remind me so much of Electrical and Electronic Engineering classes!

    electron1979 July 2, 2020 3:58 pm Reply
  • Yo GreatScott, i have some ideas for projects you can

    try/create to make a new video 😀

    1. a mobile car heating for the driver area and windows

    2. a present card, and if you open it will play your music

    3. a little spy cam with memory for videos

    Hope this are good concept
    s for you ;p

    Chepp July 2, 2020 3:58 pm Reply
  • i wish i knew english better i don't understand anything

    Amir Hašim July 2, 2020 3:58 pm Reply
  • Really great i don't understand at three times watching 😂 not sure in the fourth tough

    john caren July 2, 2020 3:58 pm Reply
  • This video is fantastically clear and instructive. During your most recent QA you were right to say that maybe you should change the name. Thanks!

    Woodrow Wiest July 2, 2020 3:58 pm Reply
  • 1st time watching this: I can't understand ANYTHING!!!!
    3rd time watching this: ……….OK! now I get it!

    It just really shows you that with mathematics (especially when dealing with complex numbers) you have to really study these things again and again and again!
    Dude! Keep up these videos you are incredible at making these formulas look 10.000.000 times more tolerable than my mathematics courses in UNI 🙂

    Anastasis Zaro July 2, 2020 3:58 pm Reply
  • Why dont you make a playlist for this series???
    would really help

    Ruan July 2, 2020 3:58 pm Reply
  • may you help me, how do we design variable frequency drive for ac induction motor singgle phase 4 kw

    Ridho Hidayat July 2, 2020 3:58 pm Reply
  • Could i ask you anything related to electronics ?

    Quick Need July 2, 2020 3:58 pm Reply
  • Awesome. Been a couple months since I studied this. Very nice refresher

    Caffineman22 July 2, 2020 3:58 pm Reply
  • The power of old Roman Empire: SPQR

    Sebas Eu July 2, 2020 3:58 pm Reply
  • would it also have the same canceling effect if the 0.18 uF capacitor is connected in series to the motor on 7:18, the cap is in parallel to the motor) ? If not, what is the value of the capacitance needed?

    ThomasHaberkorn July 2, 2020 3:58 pm Reply
  • squeweeel

    Rusu Razvan July 2, 2020 3:58 pm Reply
  • hey Scott hab dir ne mail geschrieben schau mal bitte nach! travelx

    the1to9 July 2, 2020 3:58 pm Reply
  • Hey scott since you are on Drone and motors topic. Make a 6 channel radio transmitter and its receiver.

    BIG M July 2, 2020 3:58 pm Reply
  • @GreatScott!
    But still: it is "sinusoidal", not sinusodial!!!
    Please use it correctly!!! Please! Please? Big please?
    Echt! Wirklich! Ansonsten sind Deine Videos klasse! Aber das nervt mich total!

    Charnold Bronsonegger July 2, 2020 3:58 pm Reply
  • Mind blown!!! 🙂

    cdiddy536 July 2, 2020 3:58 pm Reply
  • The way your explaining is too good. Great Job

    veyonce creations July 2, 2020 3:58 pm Reply
  • love that multi-meter. 🙂

    Rolando Avecilla July 2, 2020 3:58 pm Reply
  • I have never heard a German with Japanese accent.

    Tony Nameless July 2, 2020 3:58 pm Reply
  • danke bruder

    Koushik Tesla July 2, 2020 3:58 pm Reply
  • Pretty straight forward and intuitive for a basics video on something most people don't know about

    Spark Gap July 2, 2020 3:58 pm Reply

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