Multi-Pulse Rectifier Based on an Optimal Pulse Doubling Technique

Rohollah Abdollahi, Gevork B. Gharehpetian, Fazel Mohammadi and Saravana Prakash P
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Rohollah Abdollahi: Department of Electrical Engineering, Technical and Vocational University (TVU), Tehran 14357-61137, Iran
Gevork B. Gharehpetian: Electrical Engineering Department, Amirkabir University of Technology, Tehran 15916-39675, Iran
Fazel Mohammadi: Department of Electrical and Computer Engineering, University of Windsor, Windsor, ON N9B 1K3, Canada
Saravana Prakash P: Malaviya National Institute of Technology Jaipur, Jaipur 302017, Rajasthan, India

Energies, 2022, vol. 15, issue 15, 1-18

Abstract: This paper presents pulse multiplication technology based on an optimal Pulse Doubling Technique (PDT) to upgrade a 28-Pulse Rectifier (28-PR) to a 56-PR. The optimal PDT comprises a Tapped Interphase Reactor (TIPR) with a low kVA-rating and two diodes. The number of pulses can be increased from 28 to 56 using the PDT so that the input current harmonics are reasonably mitigated. Additionally, the 14-phase Polygon-Connected Autotransformer (PCA) is designed in such a way that it can be used for retrofit applications. A detailed simulation analysis in the MATLAB/Simulink environment is carried out, and the results show that the improved quality indices of the final AC input and DC output power are equivalent to the IEEE 519-2014 standard and meet sensitive industrial application requirements with an input current Total Harmonic Distortion (THD) lower than 3%. Moreover, the power factor also maintained unity for a wide operating range. The optimal PDT scheme is affordable and easy to implement as only a small-capacity PDT (only 1% of the output power) is needed to double the pulse number. An experimental prototype is developed to verify the simulation results.

Keywords: AC–DC converter; pulse doubling technique (PDT); multi-pulse rectifier; tapped interphase reactor (TIPR); total harmonic distortion (THD) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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