Power Quality Step up Using Modular Multilevel Converter for Renewable Energy Source
G. SIVA NAGESWARA RAO, SHAIK. MABHU JANI, , ,
Affiliations M.Tech Research Scholar, Priyadarshini Institute of Technology & ManagementAssistant Professor, Priyadarshini Institute of Technology & Management
Multilevel inverters have received more attention in industrial application, such as motor drives, FACTS
devices and renewable energy systems, etc.Primarily multilevel inverters are known to have output voltages with more
than two levels. A modular multilevel converter (MMC) is one of the next-generation multilevel converters intended for
high or medium-voltage power conversion without transformers. Compared with the existing multilevel converters, one of
the most desirable advantages offered by MMC may be its ability to process both active power and reactive power with
its terminals directly connected to high-voltage networks. D-STATCOM (Distribution Static Compensator) is a shunt
device which is generally used to solve power quality problems in distribution systems. D-STATCOM is used in
correcting power factor, maintaining constant distribution voltage and mitigating harmonics in a distribution network. In
this paper MMC D-STATCOM inverter controls the DC link voltage as well as the active and reactive power transferred
between the renewable energy source, specifically wind turbine, and the grid in order to regulate the power factor (PF) of
the grid regardless of the input active power from wind turbine. In this concept in future by increasing the levels of
Multilevel Inverter we improve the power quality.
G. SIVA NAGESWARA RAO,SHAIK. MABHU JANI."Power Quality Step up Using Modular Multilevel Converter for Renewable Energy Source". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.1, Issue 06,pp.520-523, DECEMBER - 2014, URL :https://ijcert.org/ems/ijcert_papers/V1I627.pdf,
Keywords : Bidirectional switch, Total Harmonic Distortion (THD), D-STATCOM, Modular Multi-level Converter,
Renewable Energy Source.
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