Fig.1

Schematic diagram of skewed rotor"

Tab.1

The distribution of claw-pole alternator radial electromagnetic force waves frequencies and orders"

Tab.2

Specifications of the claw-pole alternator"

Fig.2

The cloud diagram of stator magnetic of claw pole alternator with no-load"

Fig.3

The air-gap flux density waveform of claw-pole alternator with no-load"

Fig.4

The air-gap flux density waveform of claw-pole alternator with load"

Fig.5

The no-load air gap flux density harmonic waveforms"

Fig.6

The orders of no-load air gap flux density harmonics"

Fig.7

The air gap flux density harmonic waveforms with load"

Fig.8

The orders of air gap flux density harmonics with load"

Fig.9

Radial electromagnetic force of a pair of pole"

Fig.10

The model of claw-pole connected by copper welding"

Fig.11

The output current of claw-pole alternator with the brazing poles"

Fig.12

Vibration mode of ordinary claw pole rotor"

Fig.13

The vibration types of claw-pole rotor with brazing poles"

Fig.14

Test platform"

Fig.15

Vibration spectrum of ordinary claw-pole alternator"

Fig.16

Vibration spectrum of claw-pole alternator with brazing poles"