Methods and systems involving electric machine controllers

A method for operating a controller includes receiving a first accumulated thermal value of an electrical machine (107) and an associated first time stamp from a memory (106), initializing a processor (104) of the controller (102) with the first accumulated thermal value and the associated first tim...

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Bibliographische Detailangaben
Hauptverfasser:	VICENTE, NATANIEL BARBOSA, MUELLER, JOACHIM, BRANDT, TORSTEN, GREENWOOD, TODD ELLIOTT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING DYNAMO-ELECTRIC MACHINES ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A method for operating a controller includes receiving a first accumulated thermal value of an electrical machine (107) and an associated first time stamp from a memory (106), initializing a processor (104) of the controller (102) with the first accumulated thermal value and the associated first time stamp (310), determining whether a second time stamp has been received, calculating a difference between the second time stamp and the first time stamp responsive to determining that the second time stamp has been received (314), calculating a second accumulated thermal value as a function of the first accumulated thermal value, the first time stamp (318), and the second time stamp, and updating the first accumulated thermal value with the second accumulated thermal value (320).