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Industrial Applications of High Current

J. Rodríguez, J. Pontt

2026enconverter circuitspower supplieschopper rectifiersefficiencythyristors

Abstract

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This paper discusses the use of choppers with Insulated Gate Bipolar Transistors in conjunction with non-controlled diode rectifiers, to generate large controlled currents. These converters are known as Chopper Rectifiers and are a new possibility in the generation of currents in the kiloamperes range. The paper presents the basic principles, the main characteristics and a comparison to phase controlled rectifiers with thyristors. Chopper rectifiers generate a load current with reduced ripple and they operate with a high and constant power factor. In addition, they generate few input current harmonics and operate without passive filters. The paper also includes an efficiency assessment versus thyristor rectifiers and presents a reference list of units installed by two major manufacturers. The main conclusion of the paper is that these new rectifiers are very attractive from a technical point of view.

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Cite This Work

@article{f74f0665-1698-48ab-8542-accfa2e9b716,
  title={Industrial Applications of High Current},
  author={J. Rodríguez and J. Pontt},
  year={2026},
  language={en}
}
TY  - JOUR
TI  - Industrial Applications of High Current
AU  - J. Rodríguez
AU  - J. Pontt
PY  - 2026
LA  - en
ER  -

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