Otimização de corrente magnética em motores de indução linear

Magnetizing current generated in a linear induction motor (16,18) driving elevator car doors (12) in an elevator system is optimized. Magnetizing current level is set low for door operation modes requiring lower levels of thrust, such as hold open (80) and hold closed (76). Magnetizing current level...

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Bibliographische Detailangaben
Hauptverfasser:	BRIAN J. AMEND, JAMES P. TOWEY, JR, WILLIAM F. BROOKS, NARASIMHA K. REDDY, RICHARD N. FARGO, DONALD F. COMINELLI
Format:	Patent
Sprache:	por
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ELEVATORS ESCALATORS OR MOVING WALKWAYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HAULING HOISTING LIFTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	Magnetizing current generated in a linear induction motor (16,18) driving elevator car doors (12) in an elevator system is optimized. Magnetizing current level is set low for door operation modes requiring lower levels of thrust, such as hold open (80) and hold closed (76). Magnetizing current level is increased for modes of door operation requiring greater thrust levels, such as closing (82) or opening (78). Optimization of magnetizing current in linear induction motors reduces overheating and increases energy efficiency.