- #1
trilex987
- 15
- 0
Greetings
I've been reading about these magnets such as these:
http://www.lanl.gov/orgs/mpa/nhmfl/magnets.shtml
Take a look at the pulse durations (it says in notes at the bottom "Total pulse length including decay"
It's all nice but I don't understand one thing.
How can they make the current rise so fast? If the time constant of such a magnet is L/R, you have to have huge resistors, and by that the power rating in kA range would be more than any power generator on Earth can make
(consider having L of say 0.2 mH, and current of say 20kA, to get a time constant of 1 ms, you need to have resistance of 200 ohms, and that gives you a power of 80GW which is insane)
Am I missing something here?
I've been reading about these magnets such as these:
http://www.lanl.gov/orgs/mpa/nhmfl/magnets.shtml
Take a look at the pulse durations (it says in notes at the bottom "Total pulse length including decay"
It's all nice but I don't understand one thing.
How can they make the current rise so fast? If the time constant of such a magnet is L/R, you have to have huge resistors, and by that the power rating in kA range would be more than any power generator on Earth can make
(consider having L of say 0.2 mH, and current of say 20kA, to get a time constant of 1 ms, you need to have resistance of 200 ohms, and that gives you a power of 80GW which is insane)
Am I missing something here?