218459 ⎘
Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Fan control circuit with temperature compensation and method of controlling fan
#2Systems and methods for fan typing and anomaly detection
#3Motor control system with integrated solid-state contactor and relays and method of operation thereof
#4Induction motor speed estimation
#5Method of controlling the speed of an electric motor
#6Spindle motor drive controller