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IGBT Chopper Rectifiers: Economic and Technical Advantages

High power IGBT chopper rectifiers hold distinct advantages over traditional thyristor rectifiers. IGBT chopper rectifiers, which employ diode rectification and a modular configuration, have a higher power factor, lower harmonics, simplified transformer design, lower output ripple, higher efficiency and greater reliability and lifespan than thyristor rectifiers.



Originally presented: January 15, 2019
Duration: 1 hour
Presented by:

Overview

High power IGBT chopper rectifiers hold distinct advantages over traditional thyristor rectifiers. IGBT chopper rectifiers, which employ diode rectification and a modular configuration, have a higher power factor, lower harmonics, simplified transformer design, lower output ripple, higher efficiency and greater reliability and lifespan than thyristor rectifiers. Compared to equivalent thyristor rectifiers, chopper systems require less space, have a lower cost and longer life span along with built in N1 redundancy.

The presentation explains in deeper detail the advantages of chopper systems, their applications in electrowinning and chlorine production. And considerations when evaluating high power rectifier topologies.

Key Takeaways

  • Learn the fundamental difference between high power IGBT chopper and thyristor rectifiers
  • Understand the key technical and economic benefts of IGBT chopper rectifiers
  • Learn more about Dynapower's high power capabilities

Speaker

Medina Maric, Engineering Manager, Power Systems, Dynapower Company

Medina Maric leads the industrial engineering group at Dynapower. She leads a talented team of mechanical and electrical engineers designing and building SCR, chopper and thyristor rectifiers for applications in metal finishing, mining, electrochemical production and plasma. In addition to her current position, she has been electrical engineer at Dynapower, Rapid Power, Inverpower Corporation/Satcon, Schneider Electric of Canada and General Switchgear & Controls. She holds a B.S. degree in electrical engineering from the University of Sarajevo.