Abstract
This paper presents an efficient Low Voltage Ride Through (LVRT) control scheme for a 10.0MW grid-tied Permanent Magnet Synchronous Generator (PMSG)-based wind farm. The proposed control strategy plans to enhance the power quality and amount of injected power to satisfy the grid code requirements. The proposed approach utilizes a static Shunt Var Compensator (SVC) to enhance the LVRT capability and to improve power quality. It has been observed from the outcomes of the study that the proposed SVC controller ensures safe and reliable operation of the considered PMSG-based power system. The proposed system not only improves power quality but also it provides voltage stability of the Wind Energy Conversion System (WECS) under abnormal/fault conditions. The results show the superiority of the proposed control strategy.
Highlights
The demand for renewable energy sources that produce clean energy with low carbon footprint is increasing
The Static Var Compensator (SVC) controller is employed to compensate for reactive power and to enhance the Low Voltage Ride Through (LVRT) capability of the developed Permanent Magnet Synchronous Generator (PMSG)-based wind farm during normal and abnormal conditions
The outcomes of multiple fault conditions on voltage stability and reactive power compensation are taken into consideration
Summary
The demand for renewable energy sources that produce clean energy with low carbon footprint is increasing. Authors in [8] explored the LVRT capability enhancement along with the controlled supply of reactive power. The SVC was installed at the end of the transmission line to enhance the LVRT control capability during a fault condition in order to maintain supply continuity. SVC is capable of enhancing the LVRT performance by supplying the reactive power and improve voltage stability [1, 5, 6, 17]. Dayo et al.: LVRT Enhancement of a Grid-tied PMSG-based Wind Farm using Static VAR Compensator. The SVC controller is employed to compensate for reactive power and to enhance the LVRT capability of the developed PMSG-based wind farm during normal and abnormal conditions. The proposed system provides uninterrupted power supply to the grid once the fault is removed, validating the effectiveness of the proposed control strategy
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