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Pulsed power
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[[File:U.S._Department_of_Energy_-_Science_-_119_001_007_(10190811655).jpg | thumb | 220x124px | right | alt=SANDIA NATIONAL LABORATORY'S Z ACCELERATOR, A PULSED POWER FACILITY IN OPERATION. | A time-exposure photograph of electrical flash-over arcs produced over the surface of the water in the accelerator tank as a byproducts of Z operation. These flash-overs are much like strokes of lightning. The Z pulsed power accelerator at Sandia, which began operating in September 1996, is the world's most powerful and efficient laboratory [[X-ray]] source. It is a modified version of the PBFA II accelerator which was used until 1996 for light ion fusion research.]]'''Pulsed power''' is the science and technology of accumulating [[energy]] over a relatively long period of time and releasing it instantly, thus increasing the instantaneous power. They can be used in some applications such as [[food processing]], [[water treatment]], weapons, and medical applications. ==Overview== Energy is typically stored as [[electric potential energy]] within [[capacitor]]s, or in the case of explosive pulsed power, as chemical energy. The stored energy is released over a very short time scale resulting in a large amount of power being delivered to a [[external electric load|load]] which can be used to study [[high energy density physics]] phenomena such as [[inertial confinement fusion]] using a [[Z-pinch]], and [[Plasma (physics)|plasma physics]] or to create [[electromagnetic radiation]]. Some electrically driven pulsed power accelerators make use of [[Pulse-forming network|pulse-forming lines]] to compress the current pulse before reaching the load, as is often the case when [[Marx generator]]s are used as the prime power source. Other circuit architectures such as [[linear transformer driver]]s or impedance-matched Marx generators typically do not require any pulse compression. ==Maximum power records== Single pulse energies as high as 100 MJ, power as high as a "few hundred terawatts" with voltages between 10 kV and 50 MV, and currents between 1 kA and 10 MA, have been achieved at least as of 2006.<ref>[https://www.springer.com/gp/book/9783540261377 "Pulsed Power Systems" Bluhm, Hansjoachim, 2006]</ref> ==Usage== [[Railgun]] is one of the example usage of pulsed power and it is still at research stage due to its complexity. ==See also== *{{annotated link|Crossatron}} *{{annotated link|Dipole magnet}} "kicker" *{{annotated link|Electromagnetic forming}} *{{annotated link|Electromagnetic pulse}} (EMP) *{{annotated link|Explosively pumped flux compression generator}} *{{annotated link|Ignitron}} *{{annotated link|Linear transformer driver}} *{{annotated link|Magnetic pulse welding}} *{{annotated link|Particle accelerator}} *{{annotated link|Power (physics)}} *{{annotated link|Pulse-forming network}} *{{annotated link|Thyratron}} *{{annotated link|Triggered spark gap}} *{{annotated link|Z Pulsed Power Facility}}; "Z machine" ==Manufacturers== *[https://web.archive.org/web/20141022202717/http://www.abb.ch/product/ap/db0003db004291/c12573e7003304adc1256b820064c480.aspx ABB Pulsed Power] β Manufacturer of semiconductor-based replacements for thyratrons ==References== {{Reflist}} [[Category:Pulsed power| ]] [[Category:Power (physics)]]
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