TY - JOUR
T1 - Minimising rotor losses in high-speed high-power permanent magnet synchronous generators with rectifier load
AU - Veen, van der, J.L.F.
AU - Offringa, L.J.J.
AU - Vandenput, A.J.A.
PY - 1997
Y1 - 1997
N2 - In an early stage of the design of a high-speed 1400 kW synchronous generator with permanent magnet excitation and loaded by a rectifier, it became apparent that rotor losses are a major problem. The stator currents cause asynchronous components in the air-gap field. Analysis shows that a modified polyphase system reduces the number of these components. An approximate solution for the rotor losses caused by the asynchronous field components has been derived. The formulae show the effects of machine dimensions and harmonics and the effect of a conducting shield in the rotor. The main purpose of the study is to have a tool for making an early choice among several stator winding configurations. A modified nine-phase system, combined with a shield around the permanent magnet rotor, is a prospective option
AB - In an early stage of the design of a high-speed 1400 kW synchronous generator with permanent magnet excitation and loaded by a rectifier, it became apparent that rotor losses are a major problem. The stator currents cause asynchronous components in the air-gap field. Analysis shows that a modified polyphase system reduces the number of these components. An approximate solution for the rotor losses caused by the asynchronous field components has been derived. The formulae show the effects of machine dimensions and harmonics and the effect of a conducting shield in the rotor. The main purpose of the study is to have a tool for making an early choice among several stator winding configurations. A modified nine-phase system, combined with a shield around the permanent magnet rotor, is a prospective option
U2 - 10.1049/ip-epa:19971354
DO - 10.1049/ip-epa:19971354
M3 - Article
VL - 144
SP - 331
EP - 337
JO - IEE Proceedings - Electric Power Applications
JF - IEE Proceedings - Electric Power Applications
SN - 1350-2352
ER -