[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.11142/jicems.2012.1.3.354

Transformerless Cascaded AC-DC-AC Converter for Multiphase Propulsion Drive Application

Tao, Xing-Hua (Dept. of Electrical Engineering, Naval Engineering University)
Xu, Lie (Dept. of Electrical Engineering, Tsinghua University)
Song, Yi-Chao (The 712 Research Institute of CSIC)
Sun, Min (Dept. of Electrical Engineering, Tsinghua University)

Publication Information

Journal of international Conference on Electrical Machines and Systems / v.1, no.3, 2012 , pp. 354-359 More about this Journal

Abstract

A transformerless converter suitable for multiphase drive application is presented in this paper. The topology employs a cascaded H-bridge rectifier as the interface between the grid and multi inverters which drive the multiphase motor. Compared with the conventional structure, the new topology eliminates the input transformer and also has the advantages such as four quadrant operation, simple configuration, low cost, high efficiency, and so on. The control strategies for the grid-side cascade H-bridge rectifier and the motor-side inverter are studied accordingly. Based on the multi-rotational reference frame, modular control scheme is developed to regulate the multiphase drive system. Simulation results show the proper operation of the proposed topology and the corresponding control strategy.

Keywords

Transformerless topology; multiphase motor; cascaded H-bridge converter;

Citations & Related Records

Reference

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