Electricity

How Electricity Generation Really Works | Jabar Post Indonesia

How Electricity Generation Really Works | Jabar Post Indonesia – This time JabarPost.Net will discuss about Electricity.

The following is How Electricity Generation Really Works. And for those of you who want to find a similar explanation, you can search in the Electricity category

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How Electricity Generation Really Works | Jabar Post Indonesia

Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. In early days, electricity was considered as being unrelated to magnetism. Later on, many experimental results and the development of Maxwell’s equations indicated that both electricity and magnetism are from a single phenomenon: electromagnetism. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others.

The presence of an electric charge, which can be either positive or negative, produces an electric field. The movement of electric charges is an electric current and produces a magnetic field.

When a charge is placed in a location with a non-zero electric field, a force will act on it. The magnitude of this force is given by Coulomb’s law. Thus, if that charge were to move, the electric field would be doing work on the electric charge. Thus we can speak of electric potential at a certain point in space, which is equal to the work done by an external agent in carrying a unit of positive charge from an arbitrarily chosen reference point to that point without any acceleration and is typically measured in volts.

Electricity is at the heart of many modern technologies, being used for:

electric power where electric current is used to energise equipment;
electronics which deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes and integrated circuits, and associated passive interconnection technologies.
Electrical phenomena have been studied since antiquity, though progress in theoretical understanding remained slow until the seventeenth and eighteenth centuries. Even then, practical applications for electricity were few, and it would not be until the late nineteenth century that electrical engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society, becoming a driving force for the Second Industrial Revolution. Electricity’s extraordinary versatility means it can be put to an almost limitless set of applications which include transport, heating, lighting, communications, and computation. Electrical power is now the backbone of modern industrial society.[1]



Continuing the series on the power grid by diving deeper into the engineering of large-scale electricity generation.
Get $80 off your first month of Hello Fresh (with code Practical80): https://bit.ly/2VGUxzl

The importance of electricity in our modern world can hardly be overstated. What was a luxury a hundred years ago is now a critical component to the safety, prosperity, and well-being of nearly everyone. Generation is the first step electricity takes on its journey through the power grid, the gigantic machine that delivers energy to millions of people day in and day out. So how does it work?

-Patreon: http://patreon.com/PracticalEngineering
-Website: http://practical.engineering

Writing/Editing/Production: Grady Hillhouse

This video is sponsored by Hello Fresh.

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44 Comments

  1. Pie chart at 1:52 – surprised to see that coal produces 40% of our world wide electricity. I know China (and other 3rd world countries) relies heavily on coal which may account for most of this. This offsets all the so-called renewable energy in the U.S. . . . by a long shot.

  2. Grady: as smart as you are, you have been sucked into the climate change/global warming fraud. You state with such certainty that CO2 rise causes temperature rise. Many of your fellow engineers/scientists strongly disagree with that "theory".

  3. Alot of software performs the synchroscope RYB (Red Yellow Blue) phase alignment, but they do still exist between diesel generators on ships and submarines (where PARALLELING is naturally required). Important on bringing e.g. the "coming-on" generator into circuit, and shutting down the – well you guessed it – the "going-off" generator. Realistically, the generators have names. Grady fantastic stuff just before I go to sleep before my night shift. Especially the "spinning standby" bit.

  4. You say global warming what do you call the change in season's? Why in your presentation you did not refer to past and current data? Listening to many other people who do the same as you I would say that your purpose was to push a green revolution

  5. OUR POWER COMES FROM BEING ABLE TO ORDER INGREDIENTS FOR FOOD FROM HALF CONTINENT AWAY BECAUSE WERE LAZY TO GO TO SOMETHING CLOSE. Your ad is shocking how it's in contrast to everything you say.

  6. A thing I would be interested in learning about. How distributed generation works. We are having solar power panels installed on our hour this week. During the day any excess power we generate is sold to our power supplier. I am kinda curious how that power gets transmitted and to whom.

  7. Inertia? I have a BSEE and I have been studying electricity for about 60 years and I have never heard of electrical "inertia." I understand what you are getting at though it is a very mechanical notion of the concept.

  8. Great video, except for the misunderstanding about "global warming". Don't you think if coal burning emissions were causing the earth to heat up at an alarming rate – which..they're…not…. we'd have been barbequed after the industrial revolution? We all know the climate does change – and I'm sure humans have some impact on that, but coal and natural gas are not quite the demons they're made out to be. Solar arrays have been tried and really aren't sustainable, let alone reliable (manufacturing pollution and the solar 1 disasters?). Wind energy is another example of too little for the effort. (Do the research) Between that and tearing out the hydro-electric dams, where is the juice supposed to come from? Technology has come far enough that nuclear plants are surely a safe and viable option, but those were demonized long ago. The media and politicians have brainwashed the public for corporate interest for so long….. Somebody, somewhere has to remember economics at some point.

  9. Love the video, but there's one correction that I just have to mention. At 1:10, you state that electricity moves at nearly the speed of light and that electrons in your home were at the power plant milliseconds ago. While you do see the voltage produced by the plant, the actual electrons traveling through your wires move very slowly (look into electron drift velocity). The propagation of the signals in your wires will be near the speed of light, but the electrons themselves move very slowly (on the order of 10^-4 m/s). To see how fast waves can propagate through a wire, you want to find its relative permeability and permittivity. Look into velocity factor for more information.

  10. Human beings breathe in oxygen and exhale carbon dioxide plants intake carbon dioxide and create oxygen global warming is just some rich prick elitist way to tax everybody for the air that they breathe it is a psyop

  11. I expect someone who uses engineering in their title to be part of the minority that knows the truth that C02 has a negligible affect on global warming. Carbon dioxide comprises 0.038% of the earth’s atmosphere, and of that amount, a mere 3% is generated by mankind. Human produced CO2 might account for a bit more than 0.1% of greenhouse effect. Without greenhouse gasses such as water vapor (95%), the earth would be void of life. Of that 5% that is not water vapor, CO2 only accounts for a bit over 2% of that 5% (0.116%). The amount CO2 has increased (about 35%) over the past 100 years is within historical norms for the non-industrialized past. CO2 levels are believed to have been much higher a few hundred years ago. Most factors that actually change the climate are far out of our control and much more dramatic than we could counter one way or the other. Historically CO2 levels tend to trail warming so they seem like more of an effect rather than a cause of warming though this gets complicated as each can seemingly cause each other. I for one would like more CO2 so that plants can better absorb the higher CO2 concentrations in arid parts of the world without losing their moisture.

  12. //It would be nice if you would keep your global warming politics out of the videos.//

    Anthropogenic climate change is a scientific theory. Much like the branches of physics that go into electricity generation.
    There's nothing political about it.

  13. I hate the term renewable energy as it excludes nuclear energy from the start. Using conventional fuel sources nuclear can power us for centuries and with unconventional fuels like thorium or plutonium in fast spectrum reactors can powers us for thousands of years, and yet the fact that this nuclear fuel is not renewed by the big nuclear fuel in the sky somehow makes it undesirable,

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