JACIII Vol.20 No.1 pp. 171-180
doi: 10.20965/jaciii.2016.p0171


Hybrid Modulation Strategy for Two-Stage Matrix Converter and its Application in Vector Control of Doubly Fed Induction Generator

Danyun Li*,**, Quntai Shen*, Zhentao Liu**,†, and Fang Liu*

*School of Information Science and Engineering, Central South University
Changsha, Hunan 410083, China

**School of Automation, China University of Geosciences
Wuhan, Hubei 430074, China

Corresponding author

November 10, 2015
December 10, 2015
Online released:
January 19, 2016
January 20, 2016
two-stage matrix converter, voltage transfer ratio, overmodulation mode, conduction and switching losses, doubly-fed induction generator
A hybrid modulation strategy (HMS) for a two-stage matrix converter (TSMC) is presented in this paper. According to the variation of voltage transfer ratio, different combinations of modulation modes for rectifier-side converter (RSC) and inverter-side converter (ISC) of TSMC are adopted. Two different current space vector modulation methods are used for RSC to obtain maximum and minor DC voltages. The power loss of TSMC is reduced based on the minor DC voltage. In addition to the linear space vector modulation for ISC, an overmodulation method is presented in order to increase the voltage transfer ratio of TSMC. HMS ensures smooth switching between different modulation modes and makes the best use of the advantage of these modes. Finally, HMS is applied in the case where TSMC is used as an AC-excitation converter for doubly fed induction generator (DFIG) to achieve maximum power point tracking (MPPT). The simulation results confirm the accuracy and feasibility of HMS and the good performance of the MPPT operation of DFIG excited by TSMC.
Cite this article as:
D. Li, Q. Shen, Z. Liu, and F. Liu, “Hybrid Modulation Strategy for Two-Stage Matrix Converter and its Application in Vector Control of Doubly Fed Induction Generator,” J. Adv. Comput. Intell. Intell. Inform., Vol.20 No.1, pp. 171-180, 2016.
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Last updated on Jul. 12, 2024