Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors

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

H02P29/00Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors

H02P29/0005for preventing over- or under speed H02P29/0011for controlling one motor used for different sequential operations H02P29/0016Control of angular speed of one shaft without controlling the prime mover H02P29/0022Controlling a brake between the prime mover and the load H02P29/0027Controlling a clutch between the prime mover and the load H02P29/0033Controlling the mechanical load according to the amount of current drawn or delivered by the motor H02P29/0038Reduction of harmonics H02P29/0044Controlling or determining the motor or drive temperature H02P29/005for raising the temperature of the motor H02P29/0055controlling or determining the winding temperature H02P29/0061controlling or determining the rotor temperature H02P29/0066the rotor having permanent magnets H02P29/0072the rotor having windings H02P29/0077by rotor current detection H02P29/0083by back-emf evaluation to obtain the motor temperature H02P29/0088based on the temperature of a drive component or a semiconductor component H02P29/0094compensating for Hall sensor temperature non-linearity H02P29/02Providing protection against overload without automatic interruption of supply H02P29/024Detecting a fault condition H02P29/0241the fault being an overvoltage H02P29/0243the fault being a broken phase H02P29/025the fault being a power interruption H02P29/026the fault being a power fluctuation H02P29/027the fault being an over-current H02P29/028the motor continuing operation despite the fault condition H02P29/032Preventing damage to the motor H02P29/04by means of a separate brake H02P29/045whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value H02P29/10for preventing overspeed or under speed H02P29/20for controlling one motor used for different sequential operations H02P29/40Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load H02P29/50Reduction of harmonics H02P29/60Controlling or determining the temperature of the motor or of the drive H02P29/62for raising the temperature of the motor H02P29/64Controlling or determining the temperature of the winding H02P29/66Controlling or determining the temperature of the rotor H02P29/68based on the temperature of a drive component or a semiconductor component