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- Title
Auxiliary Pulse Tripling Circuit with Low kVA Rating to Reduce Input Current Harmonic Distortion in 12-pulse Rectifier.
- Authors
Abdollahi, Rohollah; Abdolhosseini, Morteza
- Abstract
In recent years, to increase the number of pulses in 12-pulse autotransformer rectifiers (12-PARs) and reduce the input current total harmonic distortion (IC-THD) without increasing the cost and complexity, the pulse multiplication circuit technique has been proposed. With this approach, to upgrade the rectifier structure from 12 to 36 pulses, an auxiliary pulse tripling circuit (APTC) with a very small kilovolt ampere rate (a kilovolt ampere equal to 1.34% of the rated load power) is presented. The proposed APTC consists of an unconventional interphase transformer (UIPT) with two diodes in the primary winding and a single-phase diode bridge rectifier connected to the secondary winding. In addition, the 12-phase autotransformer used in the proposed structure is based on a polygon connection with a very low kilovolt-ampere rate.
- Subjects
HARMONIC distortion (Physics); ELECTRIC current rectifiers; ELECTRIC transformers; ELECTRIC circuits; DIODES
- Publication
International Journal of Industrial Electronics Control & Optimization, 2024, Vol 7, Issue 1, p61
- ISSN
2645-3517
- Publication type
Article