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STATCOM Based Power Quality Improvement of Wind Farm Fed Multimachine System

SKU: 010523

Rating: 

5
When integrated to the power system, large wind farms pose stability and control issues. A thorough study is needed to identify the potential problems and to develop measures to miti-gate them. Although integration of high levels of wind power into an existing transmission system does not require a major redesign, it necessitates additional control and compensating equipment to enable recovery from severe system disturbances. This thesis investigates the use of a Static Synchronous Com-pensator (STATCOM) along with wind farms for the purpose of stabilizing the grid voltage after grid-side disturbances such as a three phase short circuit fault, temporary trip of a wind turbine and sudden load changes. The strategy focuses on a fundamental grid operational requirement to maintain proper voltages at the point of common coupling by regulating voltage. The DC voltage at individual wind turbine (WT) inverters is also stabilized to facilitate continuous operation of wind turbines during disturbances. In recent years, with increase in the scale of wind power, the impact of wind power on grid aroused widely. Once large-scale wind power disconnect from the power grid, the stability of power grid will be seriously affected. Therefore, it is crucial to maintain the wind farms remain connected to the grid in the case of grid fault in certain degree. This can be achieved by improving fault ride-through (FRT) capability of wind farm. So the aim of this dissertation is to improve Fault ride through capability can be improved by using FACTS devices.
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