Control of Reduced-Rating Dynamic Voltage Restorer With a Battery Energy Storage System
Industry Applications, IEEE Transactions (2016)
摘要
In this paper, different voltage injection schemes for dynamic voltage restorers (DVRs) are analyzed with particular focus on a new method used to minimize the rating of the voltage source converter (VSC) used in DVR. A new control technique is proposed to control the capacitor-supported DVR. The control of a DVR is demonstrated with a reduced-rating VSC. The reference load voltage is estimated using the unit vectors. The synchronous reference frame theory is used for the conversion of voltages from rotating vectors to the stationary frame. The compensation of the voltage sag, swell, and harmonics is demonstrated using a reduced-rating DVR.
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关键词
battery storage plants,compensation,energy storage,power capacitors,power control,power conversion harmonics,power supply quality,voltage control,battery energy storage system,capacitor-supported dvr,reduced-rating dvr harmonics,reduced-rating vsc,reduced-rating dynamic voltage restorer control,reference load voltage estimation,rotating vector,stationary frame,synchronous reference frame theory,voltage injection scheme,voltage sag compensation,voltage source converter,voltage swell,voltages conversion,dynamic voltage restorer (dvr),power quality,unit vector,voltage harmonics,voltage sag
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