An apparatus and method for measuring at least one desired motor constant applicable to an equivalent circuit of the induction motor according to the present invention utilizes a vector controlled speed variable apparatus for the induction motor. After the input and output parameters of the induction...http://www.google.es/patents/US5594670?utm_source=gb-gplus-sharePatente US5594670 - Apparatus for measuring circuit constant of induction motor with vector control system and method therefor
Apparatus for measuring circuit constant of induction motor with vector ...