Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation

Child Classifications

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• H02P 21/0003
• H02P 21/0085
• H02P 21/02 specially adapted for optimising the efficiency at low load
• H02P 21/04 specially adapted for very low speeds
• H02P 21/05 specially adapted for damping motor oscillations, e.g. for reducing hunting
• H02P 21/06 Rotor flux based control involving the use of rotor position or rotor speed sensors
• H02P 21/12 Stator flux based control involving the use of rotor position or rotor speed sensors
• H02P 21/13 Observer control, e.g. using Luenberger observers or Kalman filters
• H02P 21/14 Estimation or adaptation of machine parameters, e.g. flux, current or voltage
• H02P 21/22 Current control, e.g. using a current control loop
• H02P 21/24 Vector control not involving the use of rotor position or rotor speed sensors
• H02P 21/34 Arrangements for starting
• H02P 21/36 Arrangements for braking or slowing; Four quadrant control
• H02P 21/50