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A novel combined device is presented in this paper. It connects with two independent power systems by two groups transformers, which are in series with the systems. Dynamic voltage regulation is the fundamental function of the combined device. It can also limit the fault currents of both systems. The topology and control algorithms are given in the paper. Simulation results by PSCAD and experimental...
A novel phasor control scheme is developed for a SMES system to protect a critical load from momentary voltage sags. This system consists of a 0.3 MJ superconducting magnet, a 200 kVA IGBT-based current source converter and a 2.5 mH reactor inserted between power supply and load. To obtain a rapid response, the current vector PWM strategy is applied. Simulations and experiments are carried out to...
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