Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position Electronic commutators therefor

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS

H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position Electronic commutators therefor

H02P6/005Arrangements for controlling doubly fed motors H02P6/006Controlling linear motors H02P6/007wherein the position is detected using the ripple of the current caused by the commutation H02P6/04Arrangements for controlling or regulating the speed or torque of more than one motor H02P6/06Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed H02P6/08Arrangements for controlling the speed or torque of a single motor H02P6/085in a bridge configuration H02P6/10Arrangements for controlling torque ripple H02P6/12Monitoring commutation Providing indication of commutation failure H02P6/14Electronic commutators H02P6/15Controlling commutation time H02P6/153wherein the commutation is advanced from position signals phase in function of the speed H02P6/157wherein the commutation is function of electro-magnetic force [EMF] H02P6/16Circuit arrangements for detecting position H02P6/17and for generating speed information H02P6/18without separate position detecting elements H02P6/181using different methods depending on the speed H02P6/182using back-emf in windings H02P6/183using an injected high frequency signal H02P6/185using inductance sensing H02P6/186using difference of inductance or reluctance between the phases H02P6/187using the star point voltage H02P6/188using the voltage difference between the windings H02P6/20Arrangements for starting H02P6/21Open loop start H02P6/22in a selected direction of rotation H02P6/24Arrangements for stopping H02P6/26Arrangements for controlling single phase motors H02P6/28Arrangements for controlling current H02P6/30Arrangements for controlling the direction of rotation H02P6/32Arrangements for controlling wound field motors H02P6/34Modelling or simulation for control purposes