METHOD FOR ESTIMATING THE ELECTROMAGNETIC TORQUE OF A WOUND-ROTOR SYNCHRONOUS MACHINE

A method (1) for estimating the electromagnetic torque of a wound-rotor synchronous machine, said method comprising: - a step (10) of measuring the stator and rotor currents of said machine; - a step (11) of defining a flux-current model of said machine according to said measured currents and state...

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Bibliographische Detailangaben
Hauptverfasser:	MALOUM, Abdelmalek, HAMIDA, Mohamed, TAHERZADEH, Mehdi, GHANES, Malek
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method (1) for estimating the electromagnetic torque of a wound-rotor synchronous machine, said method comprising: - a step (10) of measuring the stator and rotor currents of said machine; - a step (11) of defining a flux-current model of said machine according to said measured currents and state variables comprising magnetic uncertainty parameters which are themselves a function of stator inductances, rotor inductances and mutual inductances between the stator and the rotor; - a step (12) of estimating said state variables of the model using a state observer; - a step (13) of calculating the stator flux based on the state variables estimated by the state observer; and - a step (14) of estimating the electromagnetic torque according to the calculated stator flux.