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Comparative studies of subsynchronous resonance damping schemes

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5 Author(s)
Sugimoto, H. ; Dept. of Electr. Eng., Nagoya Univ., Japan ; Goto, M. ; Kai Wu ; Yokomizu, Y.
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This paper describes comparative studies among the power electronics devices that can suppress the subsynchronous resonance (SSR) in series capacitor compensated power transmission and distribution systems. Computer simulations were made to evaluate the SSR damping effect, the loss in the resistor and the necessary thyristor rated capacity for three different countermeasures (Narain G. Hingorani scheme (NGH), thyristor controlled series capacitor (TCSC) and dynamic stabiliser (DS)) to SSR. The results of this study show that the DS scheme can decrease the cost of equipment more than the other schemes because of the lowest thyristor rated capacity. However, the damping effect of SSR in case of applying DS scheme is the weakest among all of the schemes.

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Power System Technology, 2002. Proceedings. PowerCon 2002. International Conference on  (Volume:3 )

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