ADAPTIVE POSITION SENSING METHOD AND APPARATUS FOR SYNCHRONOUS MOTOR GENERATOR SYSTEM

ADAPTIVE POSITION SENSING METHOD AND APPARATUS FOR SYNCHRONOUS MOTOR GENERATOR SYSTEM

An adaptive, sensorless position sensing apparatus ( 250 ) derives rotor position of a synchronous machine ( 200 ). The apparatus ( 250 ) comprises a first rotor position deriving unit ( 300 ) for generating first rotor position values by applying a first sensorless rotor position calculation techni...

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Bibliographische Detailangaben
Hauptverfasser: MORCOV, NICOLAE, DIVITO ROCCO, ANGHEL, CRISTIAN, E
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
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Beschreibung
Zusammenfassung:An adaptive, sensorless position sensing apparatus ( 250 ) derives rotor position of a synchronous machine ( 200 ). The apparatus ( 250 ) comprises a first rotor position deriving unit ( 300 ) for generating first rotor position values by applying a first sensorless rotor position calculation technique, which emulates a resolver; a second rotor position deriving unit ( 400 ) for generating second rotor position values by applying a second sensorless rotor position calculation technique; and a rotor position result output unit ( 450 ) for outputting rotor position results over a range of rotor speeds as a function of the first rotor position values, the second rotor position values, and rotor speed.