A Generalized Scalar PWM Approach With Easy Implementation Features for Three-Phase, Three-Wire Voltage-Source Inverters

HAVA A. M., Cetin N. O.

IEEE TRANSACTIONS ON POWER ELECTRONICS, vol.26, no.5, pp.1385-1395, 2011 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 26 Issue: 5
  • Publication Date: 2011
  • Doi Number: 10.1109/tpel.2010.2081689
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1385-1395
  • Keywords: Carrier, common-mode voltage, discontinuous PWM (DPWM), generalized scalar PWM, inverter, modulation, near state PWM (NSPWM), pulse width modulation (PWM), PWM implementation, scalar, space vector, space vector PWM (SVPWM), zero sequence, COMMON-MODE VOLTAGE, SPACE-VECTOR, PERFORMANCE, MODULATION, REDUCTION, ALGORITHM
  • Middle East Technical University Affiliated: Yes


The generalized scalar pulse width modulation (PWM) approach, which unites the conventional PWM methods and most recently developed reduced common mode voltage PWM methods under one umbrella, is established. Through a detailed example, the procedure to generate the pulse patterns of these PWM methods via the generalized scalar PWM approach is illustrated. With this approach, it becomes an easy task to program the pulse patterns of various high performance PWM methods and benefit from their performance in modern three-phase, three-wire voltage-source inverters for applications such as motor drives, PWM rectifiers, and active filters. The theory is verified by laboratory experiments. Easy and successful implementation of various high-performance PWM methods is illustrated for a motor drive.