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the article citations: time:2017-02-19 22:07:17
in relatively (more than 75 kw), powered by inverter, differences of power between the shaft ends can be generated which develop high frequency current; even bad power cable insulation or earthing that is not optimal contribute to the development of unwanted and eddy currents. to prevent these currents from crossing the bearings, an can be mounted, usually at the rear of the motor.
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