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In high voltage, high power applications, multilevel inverters are preferred nowadays. But, the conventional multilevel topologies such as diode-clamped topology, flying capacitor topology and cascaded topology have some disadvantages. Capacitor voltage balancing problem, increased number of power electronic devices, increased number of carrier waves in case of PWM, higher complexity in the switching pulse generation are some of the issues associated with the multilevel inverters. Reversing voltage multilevel inverter topology discussed here eliminates the above mentioned disadvantages upto a certain extent. It requires less number of switches when compared to conventional topology. Also, single carrier PWM is adopted here, which requires only a single carrier, thus reducing the complexity of switching pulse generation. Also, this circuit has a provision of increasing the number of levels and also it can be implemented in 3 phase.
Keywords:
Multilevel inverter, Reversing voltage topology, Single carrier PWM
Cite Article:
"A Reversing Voltage Multilevel Inverter with Reduced Number of Switches and Carrier", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.2, Issue 4, page no.113 - 115, April-2017, Available :http://www.ijrti.org/papers/IJRTI1704028.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator