Synchronous type electric motor and vehicle equipped with such a motor

The electric motor includes a leakage inductance which is at least 10-15% of the principal inductance and for preference one-third and they are effectively in series. The coils are housed in grooves (60) in the stator (61) which open out to the air gap (66) through a narrow opening whose radial dept...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BIAIS, FRANCOIS
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 DYNAMO-ELECTRIC MACHINES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The electric motor includes a leakage inductance which is at least 10-15% of the principal inductance and for preference one-third and they are effectively in series. The coils are housed in grooves (60) in the stator (61) which open out to the air gap (66) through a narrow opening whose radial depth to tangential width ratio is greater than 0.5 and for preference 0.9. The rotor (69) has a permanent magnet based on neodymium, iron and boron. A wave generator may convert a DC supply to AC using thyristor or transistor switches controlled by a rotor position sensor to determine the phase of the AC of the stator.