Visual Electric
Visual Electric
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The Story of the Telegrapher's Equations - from diffusion to a wave.The Story of the Telegrapher's Equations - from diffusion to a wave.
The Story of the Telegrapher's Equations - from diffusion to a wave.
zhlédnutí 110KPřed 2 měsíci
Out of nowhere, a 26 year old derived the Telegrapher's Equations for the first time. His name was Oliver Heaviside. In 1876, "On the Extra Current", Heaviside introduced the new ideas of Maxwell's dynamic theory of electromagnetism to unlock to a new mode of propagation which went beyond the conventional diffusion model - a wave. This is the story of how the Telegrapher's Equations came to be....
Why does Capacitive Current Lead the Voltage in AC circuits?🔌💡 #reactivepower #capacitance #leadingWhy does Capacitive Current Lead the Voltage in AC circuits?🔌💡 #reactivepower #capacitance #leading
Why does Capacitive Current Lead the Voltage in AC circuits?🔌💡 #reactivepower #capacitance #leading
zhlédnutí 1,4KPřed 8 měsíci
#capacitance #reactive power #leading This video explains why capacitive current leads the voltage by 90 degrees in AC electrical circuits. For more detail, go to the full video: czcams.com/video/AmHy1bZ_i5M/video.html
AC Power: Basic Principles - Real, Reactive and Apparent Power - what do they REALLY mean?AC Power: Basic Principles - Real, Reactive and Apparent Power - what do they REALLY mean?
AC Power: Basic Principles - Real, Reactive and Apparent Power - what do they REALLY mean?
zhlédnutí 6KPřed 8 měsíci
This video is a simple explanation of Power in AC systems. Why are there 3 different types of power? We use an intuitive approach to try to understand what Real, Reactive and Apparent power actually are. We first look at their fundamental mechanisms in isolation - first for real power, then for reactive power. After this, we define Power Factor. With this intuition, it is easier to understand t...
How does GPS work? 📡🛰️ 😬 Navigation and Timing explained.How does GPS work? 📡🛰️ 😬 Navigation and Timing explained.
How does GPS work? 📡🛰️ 😬 Navigation and Timing explained.
zhlédnutí 4,5KPřed 9 měsíci
The Global Positioning System (GPS) - and other Global Navigation Satellite systems (GNSS) provide time and location anywhere on the planet with unprecedented accuracy. But how do they work? It's actually quite simple! This video will explore the core principles behind GPS and go on to explain why the technology is more vulnerable than most people realise.
How NASA Plan to Bring GPS to the MoonHow NASA Plan to Bring GPS to the Moon
How NASA Plan to Bring GPS to the Moon
zhlédnutí 2,5KPřed 11 měsíci
An audacious mission to bring GPS to the moon using Earth's own navigational satellites.
Nyquist - the amazing 1928 BREAKTHROUGH which showed every communication channel has a capacityNyquist - the amazing 1928 BREAKTHROUGH which showed every communication channel has a capacity
Nyquist - the amazing 1928 BREAKTHROUGH which showed every communication channel has a capacity
zhlédnutí 128KPřed rokem
In 1928, Harry Nyquist published a paper which would change the course of history [1]. But his original contribution was not the sampling theorem. Inspired by the work of Fourier, Nyquist discovered that there is a maximum rate at which signals could be sent through a bandlimited channel. For a bandwidth of B, 2B signals per second is the limit (the capacity). This, of course, does not set the ...
Real and Reactive Power - what do they actually mean? #reactivepowerReal and Reactive Power - what do they actually mean? #reactivepower
Real and Reactive Power - what do they actually mean? #reactivepower
zhlédnutí 12KPřed rokem
Power systems are characterised as a mix real and reactive power, but these phenomena can be linked to distinct physical mechanisms of energy transfer. Power is just the rate of energy transfer. In a power system, energy is transferred between the source and circuit. In real power, it is one way - from source to circuit. In reactive power, energy is transferred back and forth between source and...
Phasors - what are they and why are they so important in power system analysis?Phasors - what are they and why are they so important in power system analysis?
Phasors - what are they and why are they so important in power system analysis?
zhlédnutí 21KPřed rokem
What are phasors and why are they they the default system for expressing voltage and current in power system analysis? Phasor notation was proposed in 1893 by Charles Proteus Steinmetz, and were rapidly adopted in AC circuit theory. Phasors hugely simplify the analysis of power systems, in particular through the use of the impedance triangle and Ohms law. In this video, we will use a visual app...
How the First Transatlantic Submarine Cable in 1858 led to Transmission Line Theory as we know itHow the First Transatlantic Submarine Cable in 1858 led to Transmission Line Theory as we know it
How the First Transatlantic Submarine Cable in 1858 led to Transmission Line Theory as we know it
zhlédnutí 100KPřed rokem
The key to understanding modern transmission line theory is to first understand its history. This is the story of how the first Transatlantic Telegraph Cable in 1858 led to the birth of Transmission Line Theory. Professor William Thomson (later Lord Kelvin) was the genius who developed the initial breakthrough that led to the first accurate model of a long cable. Although it would be left to Ol...
Overcurrent Protection in Electrical Substations: the simple genius of the RelayOvercurrent Protection in Electrical Substations: the simple genius of the Relay
Overcurrent Protection in Electrical Substations: the simple genius of the Relay
zhlédnutí 83KPřed 2 lety
Although digital relays have replaced their older electromechanical counterparts, the terminology and theory of operation remains the same. In fact, to properly understand digital relays, a good working knowledge of the physical principles underpinning the electromechanical relay is required. This video is a simple introduction to how overcurrent protection works in electrical substations, with...
DC Motors - how do they work? COMPREHENSIVE guide to brushed DC motorsDC Motors - how do they work? COMPREHENSIVE guide to brushed DC motors
DC Motors - how do they work? COMPREHENSIVE guide to brushed DC motors
zhlédnutí 11KPřed 2 lety
This animated video explains the basic principles underpinning the operation and control of the Brushed DC motor. We start with an easy to understand mental model rooted in fundamental physics (the Lorentz Force and the Left Hand Rule), then progress to a basic model of the DC motor (incorporating back EMF) and how they can be controlled using modern chopper circuits. I focus on 4 types of DC m...
How LoRa Modulation really works - long range communication using chirpsHow LoRa Modulation really works - long range communication using chirps
How LoRa Modulation really works - long range communication using chirps
zhlédnutí 224KPřed 2 lety
LoRa (LoRaWAN) is a new modulation technique optimised for long range, low power, low bitrate communication. You'll often hear people say LoRa uses "Chirp Spread Spectrum', but this alone is only a small part of the story. LoRa uses an elegant mathematical trick to allow more efficient receivers. In this video, I outline how LoRa modulation works - it is incredibly unique. I was amazed how LoRa...
NCOs are everywhere - here's how to make one using an FPGANCOs are everywhere - here's how to make one using an FPGA
NCOs are everywhere - here's how to make one using an FPGA
zhlédnutí 11KPřed 3 lety
Numerically Controlled Oscillators (NCOs) give FPGA designers an easy, flexible and efficient way to generate sinusoidal signals of arbitrary frequency. In this video, we show how an NCO works, how to design one for a particular output frequency. We then do a demonstration using Quartus, Verilog, the Cyclone V starter kit and a 14-bit DAC.
The best way to start learning VerilogThe best way to start learning Verilog
The best way to start learning Verilog
zhlédnutí 107KPřed 3 lety
My new channel dedicated to FPGAs: www.youtube.com/@visualfpga-gw7dh/featured There aren't that many fundamental concepts in Verilog Hardware Description Language, but the few there are, we need to know WELL. This video explores some of these fundamental concepts. We look at Combinational Versus Sequential logic and explore the 3 modelling styles in Verilog; Gate Level, Dataflow and Behavioral.

Komentáře

  • @temporary9508
    @temporary9508 Před dnem

    Is Gate level design same a Structural design in Verilog ?

  • @williamrobarge3111
    @williamrobarge3111 Před 2 dny

    Excellent job

  • @AndrewChessum
    @AndrewChessum Před 6 dny

    Excellent explanation. Thank you.

  • @GayathriG-j7h
    @GayathriG-j7h Před 6 dny

    Wow wow wow! , I am a total beginner to verilog and this video helped so much for my lab exam due in a few days. Thank you!

  • @maxenielsen
    @maxenielsen Před 7 dny

    Excellent presentation! Thank you!

  • @daviddempsey8721
    @daviddempsey8721 Před 8 dny

    I studied him in my Elec Engineering degree. He worked out the properties of the cable that provided for distortionless propagation, making long distance telegraphy realistic. He didn't patent it or earn the millions he could have. The manufacturers derived much from his work. He also created the Heaviside operator, the equivalent of the Laplace Transform, but with more clunky symbology. I just think it so cool that he seems also to have had something to do with creating Wolverine's look.

  • @justin8894
    @justin8894 Před 8 dny

    Why is there a fucking censorship blob in the lower left-hand corner of the screen?

    • @VisualElectric_
      @VisualElectric_ Před 8 dny

      I put the wrong year for the date of the first transatlantic cable

  • @yclept9
    @yclept9 Před 9 dny

    You can get waves out of diffusive structures, paradoxically. Zabusky, N. J., Hardin, R. H.: Phase transition, stability and oscillations for an autocatalytic, single, first-order reaction in a membrane. Phys. Rev. Letters 31, 812 (1973)

  • @richardphillips2405
    @richardphillips2405 Před 10 dny

    I had a little difficulty understanding the math which means I need to study more math. I do have a couple of questions about the chirp. I am assuming that the positive slope represents a frequency that is starting at a low frequency and ends at a higher frequency. How does the size of the symbol affect the waveform? Does the bit size of the symbol change the slope and the amount of frequency change? What is meant by discontinuity? How does modulo fit into the explanation? What does a negative slope mean? Thank you for your video.

  • @BBQDad463
    @BBQDad463 Před 11 dny

    Thank you for this video. It was beautifully presented, and absolutely fascinating.

  • @jaewok5G
    @jaewok5G Před 11 dny

    very nice. i remember the epiphany or realizing the essential part of fourier's trick, "EVERY signal is a repeating signal, even if you have to wait till infinity."

  • @fractalmadness9253
    @fractalmadness9253 Před 11 dny

    6:47 that’s the problem of following the money instead of the science

  • @rycka88
    @rycka88 Před 12 dny

    I feel dumb by not understanding math. I want to explore, but constantly bump into fancy equations. That is where my journey ends.

  • @robertmunguia250
    @robertmunguia250 Před 13 dny

    If dc motors say 12 and 24v can they be wired for 110?

  • @daylonbarton8484
    @daylonbarton8484 Před 15 dny

    Just started a substation relay technology program. What should I expect in the workforce?

  • @cateatfood6634
    @cateatfood6634 Před 15 dny

    This stuff is so far over my head. Its more amazing than any other field, from vehicles to buildings. It's crazy how differently God made us, how, for some people, this comes naturally and they're super intrigued by it. I tip my non existent hat to all of you gentlemen that keep our lives lit up, cool and warm. 💙💙

  • @kikifaqih_
    @kikifaqih_ Před 15 dny

    what software for this animation?

  • @Kaamanita
    @Kaamanita Před 15 dny

    Thank you so much and kudos to you for making this marvelous video!

  • @dz4ever864
    @dz4ever864 Před 15 dny

    thanks for your awesome explanation for this project . my i ask for your personal email to contact you? i have few questions and i would love to know .

  • @user-ud6ui7zt3r
    @user-ud6ui7zt3r Před 16 dny

    According to this video, do you realize how many FIRST EVERs Heaviside DID? • he was the first guy to "coin" the word *inductance.* (👈So, why were units of inductance _not_ named after Heaviside?) • he was the first guy to "set up" what is now called (in books that teach the topic of Differential Equations) *a forcing equation.* (👈This is where you put a sum of 3 voltage terms on the left side of the '=' sign (i.e. one to represent voltage that results from R, and one to represent voltage that results from L, and one to represent voltage that results from C) and you put *an input signal* voltage on the right side of the '=' sign. Differential Equations textbooks refer to the applied *input signal* as a *forcing equation.* )

  • @rockapedra1130
    @rockapedra1130 Před 17 dny

    Very good video!!!

  • @briannsama2218
    @briannsama2218 Před 19 dny

    Thank you for your tutorial, am learning.

  • @tombouie
    @tombouie Před 19 dny

    Well-Done

  • @jimmy21584
    @jimmy21584 Před 20 dny

    I arrived here from the epic story of the first transatlantic telegram cable. Fantastic summary.

  • @demej00
    @demej00 Před 20 dny

    Shannon is so underappreciated.

  • @juppster5694
    @juppster5694 Před 21 dnem

    Thank you

  • @scottbarham8455
    @scottbarham8455 Před 21 dnem

    the work of Maxwell is at its base the work of Faraday ... he was first he pointed the way

  • @TalkingBook
    @TalkingBook Před 21 dnem

    That's great but left waiting for the show to drop - like what/how did OH solve the problem? You left that for the next video, I can. hope. Nonetheless, great video - and learned a lot! Thanks!!

  • @anthonywen6976
    @anthonywen6976 Před 22 dny

    Blown away by the quality of the video and animation. Thank you so much for explaining these topics!

  • @davidtiessen7713
    @davidtiessen7713 Před 23 dny

    does this apply to Earth as well?

  • @347573
    @347573 Před 23 dny

    Heaviside seems a very underrated genius

    • @edwinnasson426
      @edwinnasson426 Před 11 dny

      Only seems??

    • @craigwall9536
      @craigwall9536 Před 3 dny

      I think he was underappreciated because he did great work on so many different problems that no one knew he was working on things they never connected because it was outside of their purview.

  • @harithabandara3212
    @harithabandara3212 Před 23 dny

    thank you!

  • @bilkishchowdhury8318
    @bilkishchowdhury8318 Před 23 dny

    Heaviside is and looks like a chad

  • @JavadTaghia
    @JavadTaghia Před 23 dny

    Thanks a lot, where can I find the verilog and the project code you mentioned. I could not find it. Huge fan BDW

  • @turkigo7057
    @turkigo7057 Před 24 dny

    Cool stuff, its like reading the lore of smart hooman, jk good vibes sent ❤️

  • @domenickeller2564
    @domenickeller2564 Před 24 dny

    What a great Video. Maybe do Shanon and the Comunication basics. This guy brought Communication to the modern world

  • @johnbecich9540
    @johnbecich9540 Před 25 dny

    Thanks!

  • @emanon2315
    @emanon2315 Před 27 dny

    I don't have any background in this subject, but I want to know why, at the data flow level, he used `((~X & A) & A) | (X & B)` and not `(~X & A) | (X & B)`.

  • @ShubhamBhushanCC
    @ShubhamBhushanCC Před 27 dny

    Also the Green of Green's Function which is used everywhere from PDEs to Quantum Mechanics to N Body Physics was also discovered by an autodidact

  • @DJF1947
    @DJF1947 Před 27 dny

    A pity that the writer confuses phenomenon and phenomena.

  • @roliveira2225
    @roliveira2225 Před 28 dny

    Excellemt!

  • @almac2598
    @almac2598 Před 28 dny

    Please learn to pronounce Fourier correctly.

  • @hariwi39
    @hariwi39 Před 29 dny

    I have been long time to browse such best explanation of Lora to understand, thanks for great lecture

  • @jessstuart7495
    @jessstuart7495 Před 29 dny

    Very nice. Thank you!

  • @orientaldagger6920
    @orientaldagger6920 Před 29 dny

    14:16 R, C, and L are per unit length.

  • @davidseed2939
    @davidseed2939 Před 29 dny

    well give us the result. How were those equations used to optimise the peeformance of the transatlantic telegraph line.

    • @DJF1947
      @DJF1947 Před 27 dny

      One simply adds a parallel inductance.

  • @jrjr54321
    @jrjr54321 Před měsícem

    Fantastic presentation about some truly special people.

  • @robertbachman9521
    @robertbachman9521 Před měsícem

    An interesting property of Fourier's heat equation is that a small disturbance is propagated instantaneously to all distances , effectively traveling faster than the speed of light. The addition of inductance resulting in the telegrapher equation (which is a wave equation) nicely resolves this problem.

  • @robertbachman9521
    @robertbachman9521 Před měsícem

    The cover of Paul Nahin's book on Oliver Heaviside is shown at 7:56 of the video. Nahin in 2020 wrote a book on the topic explored in this video. The title is 'Hot (from the Mathematics of Heat) Molecules, (to the Development of the) Cold (Trans-Atlantic Telegraph Cable) Electrons. It is a story book with plenty of Fourier mathematics. Nahin also has a separate book, Transients for Electrical Engineers (2019), emphasizing the Laplace Transform solution for partial differential equations. The last part of the book is about the solution of the Telegrapher Equation and how programs like Matlab can make life easy for the modern analyst. It also explains why the Laplace Transform replaced Heaviside's earlier operator method of solution. It took 10 years but by the 1950's engineers started using Laplace Transforms exclusively. If you love math and stories you are in for a treat from all 3 books.

  • @bobross9332
    @bobross9332 Před měsícem

    It should be noted that no one named shaniqua, rastus or anything like it, are in the history of human development of technology.