Reactive Power Control of Permanent-Magnet Synchronous Wind Generator With Matrix Converter

Reactive Power Control of Permanent-Magnet Synchronous Wind Generator With Matrix Converter

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In this paper, the reactive power control of a variablespeed permanent-magnet synchronous wind generator with a matrix converter at the grid side is improved. A generalized modulation technique based on singular value decomposition of themodulation matrix is used to model different modulation techni ...ادامه توضیحات
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In this paper, the reactive power control of a variablespeed permanent-magnet synchronous wind generator with a matrix converter at the grid side is improved. A generalized modulation technique based on singular value decomposition of themodulation matrix is used to model different modulation techniques and investigate their corresponding input reactive power capability. Based on this modulation technique, a new control method is proposed for thematrix converter which uses active and reactive parts of the generator current to increase the control capability of the grid-side reactive current compared to conventional modulation methods. A new control structure is also proposed which can control
the matrix converter and generator reactive current to improve the grid-side maximum achievable reactive power for all wind speeds and power conditions. Simulation results prove the
performance of the proposed system for different generator output powers.

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