Measuring of electrical currents, voltage and resistance of an axial bearing
2021 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) & 2021 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM)（2021）
摘要
Bearing currents induced in electrical motors driven with fast switching power electronic inverters lead to bearing surface damages on the raceway. This may be the case especially when the rotor is electrically connected to the earth potential of the system e.g. via the cogging wheels of a coupled gear. In this paper an axial bearing type 51208 is investigated at standstill and in rotation concern...
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关键词
Electric vehicles,electrical machines,rotor-to-ground current,bearing surface,bearing current,wearing,thermal damage
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