(57) ABSTRACT A rotor diagnostic apparatus includes a parameter selection part that
calculates evaluation values indicating how much sensor values of a rotor at a given time …

Apparatus featuring a signal processor or signal processing module configured to: receive
signaling containing information about a sampled leakage magnetic flux sensed from a …

A method for operating a separately excited electric motor, which includes a rotor and a
stator, includes the following: determining an electrical characteristic variable of the rotor …

US11680864B2 - Condition monitoring device and method for monitoring an electrical
machine - Google Patents US11680864B2 - Condition monitoring device and method for …

A rotor bar fault in a rotor of an electrical machine having a plurality of rotor bars and an end
ring configured to short circuit the rotor bars. The method includes the steps of measuring a …