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This paper presents the worldwide developments of superconducting magnetic energy storage (SMES) devices. The application solutions of SMES technology for future smart grids are further discussed. The application topologies and advantages of SMES for micro grids, transmission and distribution systems are briefly described. The application scheme of hybrid energy storage systems (ESSs) and distributed...
The positive feedback-based anti-islanding scheme has become a common anti-islanding protection technique for inverter-based distributed generators (DGs). This paper investigates the scheme's impact on the small-signal stability of multiple inverter-based DGs installed in power distribution systems during grid-connected operation. The interactions among multiple-DGs due to the anti-islanding scheme...
St. Clair curve provides a simple means for estimating power transfer capabilities of transmission lines. It concerns three limiting factors: thermal limit, voltage quality (or drop) limit, and angular stability limit. This paper illustrates the influence of voltage stability limit and presents an extended loadability curve. Moreover, the impacts of line resistance and shunt compensation on line loadability...
This paper presents a study about the impact of different inverter interface controls on the steady-state stability of inverter-based distributed generators (DG) in the presence of positive feedback anti-islanding schemes. The impact of the constant power controller and the constant current controller on the DG system steady-state stability is compared. The Sandia frequency shift (SFS) anti-islanding...
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