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The voltage source converter (VSC) station is playing a more important role in modern power systems, but the dynamic behavior of the VSC station is quite different from that of the synchronous generator. This paper presents the synchronous generator emulation control (SGEC) strategy for the VSC-HVDC station. The SGEC strategy is divided into the inner control loop and the outer control loop. The inner...
FEA modeling method of stamping machine has been carried out using "Yoshimura Yoshitaka" method for studying its dynamic characteristic, it provide an easy method for dynamic characteristics analysis to determine characteristic parameters. To validate the FEM results, modal parameters of the beam under the work conditions were tested based on the theory of modal analysis. The FEM results...
Supplemental excitation damping control (SEDC) is one of the effective methods to mitigate subsynchronous resonance (SSR) caused by series compensation of long ac transmission lines. However, researches and field tests show SEDC does not provide enough damping to prevent torsional interaction occurring under large transient disturbances of the power systems. This paper proposed a new control scheme...
Static Synchronous Series Compensator (SSSC) is one of the second generation Flexible AC Transmission System (FACTS) controllers. In this paper, an active damping control strategy for the SSSC is proposed to mitigate subsynchronous resonance (SSR) in the series compensated power system. A multimode controller design method is developed to suppress multiple unstable torsional frequencies separately...
The thyristor controlled series capacitor (TCSC) is subsynchronous resonance (SSR) neutral in itself. But in a hybrid system which includes both conventional fixed series compensation and TCSC, disturbances may still excite torsional modes. This paper aims to design a supplementary damping controller for the hybrid system to mitigate the SSR. The method and procedure for the syntheses of the controller...
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