Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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A Novel Three Phase Series-Parallel Resonant Converter Fed DC-Drive System

  • Daigavane, Manoj (Dept. of Electronics and Power Eng., B.D. College of Engineering) ;
  • Suryawanshi, Hiralal (Dept. of Electronics and Power Eng., B.D. College of Engineering) ;
  • Khan, Jawed (Dept. of Electrical Eng., Rajeev Gandhi College of Eng. Research & T)
  • Published : 2007.07.20
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Abstract

This paper presents the application of a single phase AC-to-DC converter using a three-phase series parallel (SPRC) resonant converter to variable speed dc-drive. The improved power quality converter gives the input power factor unity over a wide speed range, reduces the total harmonic distortion (THD) of ac input supply current, and makes very low ripples in the armature current and voltage waveform. This soft-switching converter not only possesses the advantages of achieving high switching frequencies with practically zero switching losses but also provides full ranges of voltage conversion and load variation. The proposed drive system is the most appropriate solution to preserve the present separately excited de motors in industry compared with the use of variable frequency ac drive technology. The simulation and experimental results are presented for variable load torque conditions. The variable frequency control scheme is implemented using a DSP- TMS320LF2402. This control reduces the switching losses and current ripples, eliminates the EMI and improves the efficiency of the drive system. Experimental results confirm the consistency of the proposed approach.

Keywords

References

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