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Large-scale offshore wind farms can be integrated with onshore ac grids by the voltage source converter based high voltage direct current (VSC-HVDC) technology. The resulting impact on the security of ac grids can be significant. Therefore, it is important to develop an HVDC model for online stability monitoring of the integrated ac/dc systems. This paper proposes a new HVDC model based on a circuit-theoretic...
The increased and concentrated penetration of wind power makes the power network more dependent on, and vulnerable to, the wind energy production. The dynamic performance of power system can be affected by the wind farm operations. Cyber attacks on the cyber systems of wind farm present a potential threat for power system dynamics. The cyber security for the SCADA system of a wind farm is studied...
In a power system with significant wind power penetration, the tripping of wind turbines for a system fault condition can be a major concern to the system operator. With wind turbines employing different under-voltage protection settings available in the system, a fault on a transmission line can lead to tripping of a large number of wind farms depending on the voltages at the wind farm buses during...
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