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Title: | Three-phase PWM-switched autotransformer voltage-sag compensator based on phase angle analysis | Authors: | Mansor, M. Rahim, N.A. |
Issue Date: | 2011 | Journal: | Three-phase PWM-switched autotransformer voltage-sag compensator based on phase angle analysis. Journal of Power Electronics, 11(6), 897-90 | Abstract: | Many voltage sag compensators have been introduced, including the traditional dynamic voltage restorer (DVR), which requires an energy storage device but is inadequate for compensating deep and long-duration voltage sags. The AC-AC sag compensators introduced next do not require a storage device and they are capable of compensating voltage sags. This type of compensator needs an AC-AC converter to regulate the output voltage. Presented in this paper is a three-phase PWM-switched autotransformer voltage sag compensator based on an AC-AC converter that uses a proposed detection technique and PWM voltage control as a controller. Its effectiveness and capability in instantly detecting and compensating voltage sags were verified via MATLAB/Simulink simulations and further investigated through a laboratory prototype developed with a TMS320F2812 DSP as the main controller. | DOI: | 10.6113/JPE.2011.11.6.897 |
Appears in Collections: | COE Scholarly Publication |
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