ALGEBRAIC ALGORITHM FOR MICROCOMPUTER BASED (DIRECT) INVERTER PULSE-WIDTH MODULATION. Conference Paper

abstract

• A method of direct inverter pulse-width modulation (PWM) is described. In this technique the pulse widths are determined by equating the incremental areas of the reference signal with the output pulse areas. This PWM method is compared to conventional methods, such as the natural PWM and the regular PWM, which are based on geometrical constructions. Harmonic analysis shows that the direct PWM method has less harmonic distortion than the other methods. This technique is particularly suitable for microprocessor-based implementation since the pulse widths are computable in real time from simple analytic expressions. It is shown that the output pulse widths are directly proportional to the reference amplitude and inversely proportional to frequency. Therefore, constant volts/hertz operations, and other modes of operations, can be simply implemented with a minimal storage requirement.

authors

• Ehsani, Mehrdad

published proceedings

• Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)

author list (cited authors)

• Kim, Y. H., & Ehsani, M.

complete list of authors

• Kim, YH||Ehsani, M

publication date

• December 1986

published in

• Conference Record of the IEEE Industry Applications Conference  Journal

start page

• 586

end page

• 592