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Autor:
H. Mosebach, W.-R. Canders
Publikováno v:
Electrical Engineering. 100:2287-2297
Under the aspect of decreasing costs for power electronic elements due to mass production, machines with feeding from multiphase inverters can be considered where each slot is activated as a separate phase. The number of IGBT switches is increased, b
Autor:
Joachim Bock, H. Walter, H.-W. Neumueller, Ch Frohne, Wolfgang Nick, W.-R. Canders, Peter Kummeth, K. Schippl, H. May
Publikováno v:
Journal of Physics: Conference Series. 43:995-998
We report on design, construction and testing of a heavy load HTS bearing for a 4 MVA HTS generator. According to the requirement profile of Siemens the bearing was designed for a shaft weight of 1000 kg. To meet these specifications, Nexans has desi
Autor:
W.-R. Canders, S. O. Siems
Publikováno v:
Superconductor Science and Technology. 18:S86-S89
Theoretical and experimental studies have led to an overall design for superconducting magnetic bearings (SMB) that is suitable to meet the requirements of industrial applications. The main benefits are high load capacities, compact dimensions and a
Autor:
Tatiana Prikhna, S Kracunovska, Doris Litzkendorf, Matthias Zeisberger, Wolfgang Gawalek, W.-R. Canders, L. K. Kovalev, B. Oswald, Tobias Habisreuther, O. Surzhenko
Publikováno v:
Superconductor Science and Technology. 17:1185-1188
Results on an established batch process preparing melt-textured YBCO of high quality and in large quantities are reported. We used a standard composition Y1.5Ba2Cu3O7?x+1?wt %?CeO2 without further doping to fabricate single domain YBCO monoliths in d
Publikováno v:
Superconductor Science and Technology. 17:S229-S233
Single-domain crack-free CeO2-doped YBCO monoliths synthesized in a conventional box furnace using a top-seeded-melt-growth process with an optimized time–temperature profile exhibit trapped magnetic fields of up to 1.4 T and self-field critical cu
Publikováno v:
COMPEL - The international journal for computation and mathematics in electrical and electronic engineering. 23:286-304
To describe the wide range of possible applications of high temperature superconductors (HTSCs) (e.g. magnetic bearings, levitation systems or electrical machines) several appropriate calculation algorithms have been developed. They determine the for
Publikováno v:
European Transactions on Electrical Power. 13:119-125
Research on condition monitoring for sensitive or process relevant drives has gained increasing importance in the latest past. The efforts made to reduce repairing costs and downtime led to the requirement of monitoring electrical drives. When doing
Autor:
F. Hinrichsen, W.-R. Canders
Publikováno v:
2008 IEEE Power Electronics Specialists Conference.
The resonant commutated twin pole inverter (RCTPI), a novel resonant pole inverter topology using only main switches, is introduced. One phase of a voltage source RCTPI consists of four switches arranged in two symmetric half-bridges called the twin
Publikováno v:
2007 European Conference on Power Electronics and Applications.
To reduce the losses of power inverters, resonant topologies replace hard switching power inverters. This paper shows the first investigations and measurements carried out to design a three phase current link power inverter in ARCP (auxiliary resonan