Method and apparatus for controlling voltage linearity of...

Details Method and apparatus for controlling voltage linearity of... Method and apparatus for controlling voltage linearity of...

2005-12-14

2008-08-12

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

C318S801000

Reexamination Certificate

active

07411801

ABSTRACT:
Methods and apparatus are provided for modifying a pulse width modulation signal controlling a voltage source inverter. The method comprises the steps of determining a duty cycle of the signal, clipping the duty cycle when a modulation index is greater than a minimum modulation index and less than a maximum modulation index, clipping the duty cycle when the modulation index is greater than or equal to the maximum modulation index, and transmitting the duty cycle to the voltage source inverter. The minimum modulation index indicates a distortion range.

REFERENCES:
patent: 6075350 (2000-06-01), Peng
patent: 6534949 (2003-03-01), Szczesny et al.

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