Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
H02P25/16—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
H02P25/24—Variable impedance in stator or rotor circuit
H02P25/26—Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
H02P21/08—Indirect field-oriented control; Rotor flux feed-forward control
H02P21/09—Field phase angle calculation based on rotor voltage equation by adding slip frequency and speed proportional frequency