New DC Voltage Balancing Technique for High Power Multilevel Converter
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2017, Vol 5, Issue 5
Abstract
In this venture, a dedicated pulse width modulation (PWM) procedure particularly intended for single-stage (or four wire three-stage) multilevel Cascaded H-Bridge Converters is displayed. The point of the proposed method is to limit the DC-Link voltage unbalance, autonomously from the adequacy nof the DC-Link voltage reference, and remunerate the exchanging gadget voltage drops and on-state resistances. Such remuneration can be utilized to accomplish an expansion in the waveform nature of the converter. This is especially valuable in high-control low supply voltage applications where a low exchanging recurrence is utilized. The DC-Link voltage adjusting capacity of the strategy expels the prerequisite for extra control circles to effectively adjust the DC-Link voltage on every HBridge, streamlining the control structure. In this venture fuzzy controller is utilized to decrease the aggregate consonant twisting. The proposed balance procedure has been approved using reproduction comes about.
Authors and Affiliations
E Surya Narayana| M.Tech Student, Department of EEE, KIET-II, Kakinada, India, G venkateswara Rao| Asst. Professor, Department of EEE, KIET-II, Kakinada, India
Keywords
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