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STATCOMs provide grid with not only reactive power compensation but auxiliary stability support through exerting influence on the dynamic behavior of Synchronous Generator (SG) during grid power oscillations. In this paper, method of electrical torque analysis is utilized to analyze the mechanism of STATCOM affecting the transient performance of SG when operates in power oscillations suppression mode,...
Virtual synchronous generator (VSG) has been developed recent years as a promising grid-tied inverter control strategy because it can improve the penetration of the renewable energy. Due to introducing virtual inertia, the active power loop of VSG behaves as a typical second-order system, which may cause active power oscillation. It is a key issue that designing the parameters of active power control...
This paper discussed the tuning process of the power system stabilizer (PSS) for a nuclear turbine-generator excitation system. By measuring the non-compensated phase-frequency characteristic of the excitation without PSS, and through calculation and critical gain test, the PSS parameters are determined. Through step response and anti-regulation experiment, the effectiveness of the PSS is verified.
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