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| ¡¡ Space Vector Pulse Width Modulation Algorithm
with Applications Abstract£ºThe influence of the voltage vector transformation coefficient kª«on
the output voltage Uout in space vector pulse width modulation (SVPWM) strategy is
analyzed£¬ where kª«is equal to 2/3£¬ Uout denotes the phase voltage£¬ and kª«is
equal to (2/3)1/2£¬ the line voltage£® The dynamic model of insulatedª²gate
bipolar transistor switching on and off is established£¬ and the relationship between
switch loss and switch frequency is deduced£® It is concluded that the switch loss is
proportional to the frequency and unconcerned with the duty ratio£® The switch mode
starting and ending with the space vector 000 has no switch loss in the sector switching£¬
thus the fiveª²sect SVPWM switch loss is 1/3 less than the sevenª²sect SVPWM switch loss£¬
which facilitates selecting design schemes for the individual motor control purposes£® |
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