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This was in Russia, and they didn't really "phase" it in so much as just force the plant to synchronize by slamming a makeshift switch (huge bar of copper) in place (a slab of copper with a rough bar shaped hole in it) with.

Should we leave technical astronomy questions to Astronomy SE?

Isn't any research required?

What happens in circuits where the propagation time of the electric field is significant? MathJax reference. Asking for help, clarification, or responding to other answers.

Is ground connection in home electrical system really necessary?

Use MathJax to format equations.

By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Do ETFs move on their own? The conductor is the government or independent organization that controls the cesium-time coordinated synchronization of the grid in each country. Perhaps people are interested in the answer. The bigger issue is the dynamic power factor correction and load balancing where the phase-correction is dynamically changing and must be balanced to provide real power that is authorized by a higher authority with trade deals that are pre-negotiated in complex algorithms based on supply & Demand during peak and off-peak hours of the day.

Hence there is a difference between copper in FR4 and copper in vacuum. The speed of electrons is much slower...slower than walking pace. The grid length is fixed and static and thus easy to equalize between sources at the connection point by phase-shifting methods unless some passive power factor correction is requested. As the magnetic fields try to lock, the shaft twists and the unit is potentially damaged.

A little side question: When I think about the electric signal, I imagine some elastic balls.

Change the color of sub-expression when the whole expression evaluates to a different expression. an orchestra where everyone is the chief and gives the beat to

Do you need something else to calculate the speed?

I believe the infinite self inductance is an artifact due to infinitely thin wires, that disappears when you consider a finite radius. First of all: I am a computer science student, so I don't have much knowledge of physics. It turns out that the geometry of the conductors doesn't matter much; the main determinant of the propagation velocity is the filler material properties.

Why is Soulknife's second attack not Two-Weapon Fighting? Hydron Colliders make protons travel at an insane amount of speed.

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About the speed of electrons being slower, an analogy: Think of a tube that's filled with marbles. There is no recognized independent effect of species of wood on the speed of sound. Quick link too easy to remove after installation, is this a problem? For the second part of your question, check out ANSI type 25 relays, aka 'sync check' relays.

(added) The wave speed ratio of electricity v/c is limited by the relative permetivvity, \$ε_r\$ of insulation around the conductor for the speed, v relative to speed of light, c in a vacuum. @StianYttervik butttt it worked right? To learn more, see our tips on writing great answers. How much later would it be if it was a 100m cable? But when we say the speed of the signal we mean how fast the signal gets from one end of the conductor to the other. for some very simple settings: Can you help me with this?

Electric current can give you an idea of how fast electricity may travel. A working “mechanical” model that explains current in a wire/circuit? It doesn’t make sense to talk about the speed of electricity in copper.

Thanks for contributing an answer to Electrical Engineering Stack Exchange! He responded that the signal is moving much faster and you can neglect the time that signals need to pass the wires. At the very least why this is not a duplicate? Is a software open source if its source code is published by its copyright owner but cannot be used without a license?

To learn more, see our tips on writing great answers. In fact, the actual speed inside the conductor is very frequency dependent, i.e.

I hear that bare speed on a copper wire is still two thirds of light. Can't resist to post this link to "A downloadable nanosecond" which shows you how long it is (at best). Use MathJax to format equations. So the formula for the coaxial geometry turns out to be quite general (note $c=1/\sqrt{\epsilon_0 \mu_0}$).

Notes:

How to calculate signal propagation speed through vias?

It only takes a minute to sign up. How to solve this puzzle of Martin Gardner? It's true that the internal inductance (inductance from B-fields within the conductor) is finite. The speed of sound across the grain is about one-fifth to one-third of the longitudinal value. It is also limited by the relative magnetic permeability, \$\mu _r\$ in the wire or closely coupled around it, as this would occur in magnetic components.

How to solve this puzzle of Martin Gardner? It is the em wave that carries the energy. We added some dead time to each element of the circuit, but we didn't add dead time to the wires of the circuit.

The wave (energy) moves through the medium much faster than the medium itself. "To come back to Earth...it can be five times the force of gravity" - video editor's mistake? The electrons in a wire that form the electric current move very slowly. This way, the last ball gets moved and the signal arrives at the end.

Baby proofing the space between fridge and wall.

Much of the local distribution grid is grounded coaxial cable to reduce radio noise and lightning interference, which has insulation. It only takes a minute to sign up. The rotor leads on the field when generating, and lags when motoring.

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Typically the filler is magnetically neutral, so its susceptibility $\mu$ is the same as for free space.

If I push a new marble in one end, a marble comes out the other end pretty much simultaneously.

From ComputerHardwareOfTheFuture. How do charges away from the terminal react when the switch is flipped on?

Asking for help, clarification, or responding to other answers. one simulation here with mismatched impedances. Hard to predict which will be the dominating part. Now assuming any given generator is a small part of the grid, what happens when you throttle up is interesting, because the speed does not change (modulo any increase in grid frequency which impacts all generating stations equally), but you start pouring torque into trying to accelerate the whole grid (raise its frequency). There is a simple answer and a complicated answer. Do you understand the principles and equation above?

Would it be reasonable for my manager to state "I ignore emails" as a negative in a performance review?

What modern innovations have been/are being made for the piano. I do understand the equation, I just don't know enough details to determine whether it is applied correctly.

For a coaxial conductor, the wave speed formula ends up being very simple: For a relative dielectric constant ($\epsilon/\epsilon_0$) of 3, one calculates a velocity of 58% of the speed of light. When there is a signal at one end, you push the ball.

The area of the cross section is 1.9*10^-5 square meters. How to calculate the speed of AC signal in different mediums? I assume this is some sort of propagation formulae taking into account the resistance of the material or similar, but I have no idea where to being, and I am a complete novice at electronics so please go easy on me :). So there are two speeds.

through copper for communications delay, blog.jgc.org/2012/10/a-downloadable-nanosecond.html.

Why do the mountain people make roughly spherical houses? In a circuit one light-second long, does it matter where in the circuit the switch is placed?

Now I would like to calculate the speed of the signal (is this the wave propagation speed?) Think the difference between the speed of sound and the wind.

lol Utterly practical. In the first scenario with a 10m cable length, after 10ns of initiating the transfer, one data bit has been encoded onto the wire as an electrical signal. Then 5.3 ns/m * 100 meters is 530ns so the difference in delay is about 477ns.

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