Grätschsitzfahrzeug

Details

Veröffentlichungs-Nr.

EP4799884

Anmeldetag

31. Oktober 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

Abstract

The present teaching provides a straddled vehicle including a compact and lightweight high-voltage hybrid system. The straddled vehicle includes an engine, a drive wheel, a high-voltage power supply system, a first permanent magnet motor generator, a first MG control unit, and a first power transfer device electrically connected to the high-voltage power supply system without a secondary battery that is electrically connected to the high-voltage power supply system and functions at a high voltage. The first MG control unit uses, as power, the high voltage that is higher than a low voltage of a low-voltage battery to perform a field-weakening control on the first permanent magnet motor generator, which includes a rotor that rotates at the same speed as the engine of the straddled vehicle and in which the number of magnetic poles is greater than 2/3 the number of teeth, so that the level of voltage suppression that is achieved through the field-weakening control increases because of increased reactance resulting from a greater number of magnetic poles of the first permanent magnet motor generator, and so that a component of current for the field-weakening control is supplied to a winding by overcoming increased reactance at high rotation speeds of the engine of the straddled vehicle because of the field-weakening control using the high voltage as power.

Anmelder

Firma

Yamaha Hatsudoki Kabushiki Kaisha

Land

🇯🇵 Japan