Homogenization of the magnetic field in the air-gap of a permanent magnet superconductor bearing von Lorenzen, H.W., Zickermann, R., Schafer, D.

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Magnetic shielding of small high power SMES von Brammer, U., Lorenzen, H.W.

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A protection system for small high power SMES with power semiconductors working at cryogenic temperature von Karner, J.F., Lorenzen, H.W., Rosenbauer, F., Schaller, J., Schottler, R.M.

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Properties of CoolMOS/sup TM/ between 420 K and 80 K-the ideal device for cryogenic applications von Schlogl, A.E., Deboy, G., Lorenzen, H.W., Linnert, U., Schulze, H.-J., Stengl, J.P.

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Influence of converters on the superconducting field-circuit of a three-phase synchronous generator von Groter, H., Lorenzen, H., Rehm, W., Schweiger, R.

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Controller action and control of a 330 kVA synchronous generator with a superconducting excitation winding von Bischof, H., Groter, H.-P., Lorenzen, H.W.

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Mathematical Modelling, Simulation And Optimization Of An Asynchronous Exciter For Inverter-FED Synchronous Machines von Biechl, H., Lorenzen, H.W., Potoradi, D.

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Practical experience on the operation of a 320 kVA synchronous generator with a superconducting field winding von Bischof, H., Engl, W., Groter, H.-P., Lorenzen, H.W., Schaller, J.

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Two-Frequency Heat Run - A Method of Examination for Three-Phase Induction Motors von Meyer, A., Lorenzen, H.W.

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