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Linear Modeling of STATCOM with Design of Current and Voltage Controllers with Variation of DC-Link Voltage

M.Tech Research Scholar, Priyadarshini Institute of Technology & Management
Associate Professor, Priyadarshini Institute of Technology & Management

The STATCOM is a shunt connected voltage source converter using self-commutating device and can be effectively used for reactive power control. Its principle of operation is similar to that of a synchronous condenser. This paper describes the linear modeling of STATCOM along with design of current and voltage controllers. The designed controllers with variation of DC-link voltage have been applied to the STATCOM and suitable DC-link voltage has been selected on basis of spike and over shoot of the responses. The values of the passive parameters decided on basis of selected DC-link voltage are used for the design and fabrication of a STATCOM. All responses are obtained through MATLAB SIMULINK tool box and presented here for clarity of the control strategy.

P. LAXMI NARAYANA,G. RAVI KUMAR."Linear Modeling of STATCOM with Design of Current and Voltage Controllers with Variation of DC-Link Voltage". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.1, Issue 06,pp.586-591, DECEMBER - 2014, URL :,

Keywords : Linear model, Controller design, PI Controller, STATCOM

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