Spread Spectrum Pulse Width Modulation Methods
S. Nithya Lavanya
Broschiertes Buch

Spread Spectrum Pulse Width Modulation Methods

For Vector Controlled Induction Motor Drives

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In recent years, pulse width modulated voltage source inverter (PWM-VSI) is becoming popular in variable speed drive applications due to the internal control of both voltage and frequency within the inverter. In order to regulate both voltage and frequency, various PWM methods are developed for VSI fed drives. To generate the pulse pattern for VSI fed drives, mainly there are two approaches, namely, digital approach (space vector approach) and carrier comparison approach. In the digital approach, the switching times will be calculated and feed to the counters, which will generate the switching...