Abstract
This work includes a thorough examination in order to design a novel hexagon-connected autotransformer for a 44-pulse AC-DC converter fed vector controlled induction motor drive (VCIMD). Two paralleled twenty two-pulse AC-DC converters, each with an eleven-phase diode bridge rectifier (DBR), constitute the proposed converter. The system’s performance is evaluated in MATLAB/Simulink environment under various operating conditions of the VCIMD. Traditional 6-pulse converter fed VCIMD suffers from power quality problems. This work intends to alter the design of the suggested autotransformer to make it acceptable for applications that employ a 6-pulse AC-DC converter, in order to minimize the drawbacks of 6-pulse DBR supplied VCIMD. The simulation results show that the power quality characteristics of input AC line current have been improved and are in compliance with the IEEE-519 standard. In order to justify the proposed converter's efficiency, a comparative study is also presented in comparison to existing configurations.
Keywords
- Hexagon transformer
- AC-DC converter
- Power quality
- 44-pulse rectifier
- Vector controlled induction motor drive
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Appendix
Appendix
Specification of IMD: Y-connected, 4-pole, 415 V, 50 Hz, 10 hp (7.5 kW), 3-\( \upphi \) squirrel-cage IM.
DC-link filter: Ld = 2 mH, Cd = 2200 μF.
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Shila, S., Biswas, S.P., Islam, M.R. (2022). A High Performance Multi-pulse AC-DC Converter for Adjustable Speed Motor Drives. In: Mekhilef, S., Shaw, R.N., Siano, P. (eds) Innovations in Electrical and Electronic Engineering. ICEEE 2022. Lecture Notes in Electrical Engineering, vol 893. Springer, Singapore. https://doi.org/10.1007/978-981-19-1742-4_42
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DOI: https://doi.org/10.1007/978-981-19-1742-4_42
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