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000631483 1001_ $$0P:(DE-H253)PIP1117468$$aChristmann, Jan-Magnus$$b0$$eCorresponding author
000631483 1112_ $$a14th International Particle Accelerator Conference$$cVenice$$d2023-05-07 - 2023-05-12$$gIPAC'23$$wItaly
000631483 245__ $$aFinite element simulation of fast corrector magnets for PETRA IV
000631483 260__ $$aBristol$$bIOP Publ.$$c2024
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000631483 520__ $$aThe new synchrotron light source PETRA IV at DESY will use a fast orbit feedback system with hundreds of fast corrector magnets to meet stringent orbit stability requirements. These magnets are operated at high frequencies, creating strong eddy currents that result in Joule losses and a time delay between applied voltage and aperture field. User experiments impose challenging requirements on beam operation to preserve the point of the radiation source. To meet the demanding feedback requirements, finite element simulations are needed to understand the characteristics of the corrector magnet. However, due to the small skin depths at high frequencies and the laminated structure of the yoke, these simulations need a very fine mesh and are thus very costly. Therefore, we homogenize the laminated yoke which reduces the computational effort but captures the eddy current effects accurately. The reduction of simulation times from several hours to a few minutes allows us to conduct extensive studies of the eddy current losses and the field quality of the magnets.
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000631483 693__ $$0EXP:(DE-H253)PETRAIV-20220101$$1EXP:(DE-H253)PETRAIV-20220101$$aPETRA IV$$x0
000631483 7001_ $$0P:(DE-HGF)0$$aDe Gersem, H.$$b1
000631483 7001_ $$0P:(DE-HGF)0$$avon Tresckow, M.$$b2
000631483 7001_ $$0P:(DE-H253)PIP1095906$$aAloev, Alexander$$b3
000631483 7001_ $$0P:(DE-H253)PIP1098676$$aMirza, Sajjad Hussain$$b4
000631483 7001_ $$0P:(DE-H253)PIP1012349$$aPfeiffer, S.$$b5
000631483 7001_ $$0P:(DE-H253)PIP1000212$$aSchlarb, H.$$b6
000631483 773__ $$0PERI:(DE-600)2166409-2$$a10.1088/1742-6596/2687/8/082010$$gVol. IPAC2023, no. 8, p. 082010 -$$n8$$p082010$$tJournal of physics / Conference Series$$vIPAC2023$$x1742-6588$$y2024
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