Multi-pulse rectifiers feeding h-bridge inverter

Dmitry Baimel, Raul Rabinovici, Saad Tapuchi

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This article presents a comparative analysis of 12-, 18-, 24-, and 36-pulse rectifier topologies supplying 3-phase three-level H-bridge inverters as active loads. The analysis comprises the total harmonic distortion data of the inverter and grid currents and voltages, including inter-modulation harmonics. This article shows that the rectifier-inverter connection produces inter-modulation harmonics between the grid and inverter frequencies. As a result, intermodulation and sub-harmonics are present in the grid currents. This article presents an analysis and comparison of these inter-modulation effects for the mentioned topologies. Moreover, it is shown that the inter-modulation effects can be reduced by increasing the capacitance of DC-link capacitors, increasing grid series inductance, and using rectifiers with high number of pulses. The analysis is validated by extensive simulation results.

Original languageEnglish
Pages (from-to)755-767
Number of pages13
JournalElectric Power Components and Systems
Issue number7
StatePublished - 1 Jan 2014


  • H-bridge inverter
  • Intermodulation harmonics
  • Muti-pulse rectifiers

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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