Hybrid drives精编.pdfVIP

366 | Hybrid drives | Drive concepts Hybrid drives As well as optimizing conventional drive Serial hybrid drive concepts, motor vehicle manufacturers The series connection of the energy con- also rely on alternative concepts in order verters is indicative of a serial hybrid con- to ensure that existing and future noise cept. The serial arrangement of the hybrid and emission restrictions are complied components requires two electric motors with and reduce fuel consumption. and an internal-combustion engine. An The use of hybrid cars as a means of electric motor operates as an alternator, reducing environmental pollution and and the other as an engine. The internal- increasing driving pleasure and comfort combustion engine is not connected to is becoming increasingly popular. the drive. It charges the battery via the alternator and/or provides the electric A design which combines electric motor(s) motor with the required energy directly. with an internal-combustion engine makes All of the power that is needed to move it possible to use smaller engines (down- the vehicle is therefore transmitted to the sizing) and other consumption-reducing drive shaft by the electric motor. measures such as stopping the engine at