218451 ⎘
Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring; Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance
CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING A CIRCUIT ARRANGEMENT
#2Electronic control device and operation control method therefor
#3PSC motor having multiple speed and voltage configurations
#4Double wound rotor type motor with constant alternating current or direct current power supply input and control method thereof
#5Variable speed induction motor with single external power supply and control method thereof
#6System for realizing rotor variable frequency speed control asynchronously and simultaneously by driving multiple motors via one inverter
#7Electric motor with shielded phase windings
#8Electric motor with shielded phase windings