Abstract
In order to do online voltage monitoring and stability margin judgment, a second exponential smoothing method is used in this paper to predict the node voltage amplitude. By using improved second exponential smoothing method and introducing the method of accumulated generating operation (AGO) to deal the date, to get a more accurate prediction result. For illustration, three disturbance examples in IEEE9 system are used to show the feasibility of the method. Empirical results show that the improved model with AGO can get a more accurate prediction result and can be used in the voltage amplitude prediction. And by introducing the prediction error feedback part make it correspond to the engineering application. Second exponential smoothing method using the wide area measurement system (WAMS) data can effectively predict the node voltage amplitude to help online voltage monitoring and stability margin judgment.
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© 2014 Springer International Publishing Switzerland
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Miao, Q., Song, Dw., Yan, F., Liu, Yn., Ma, Sy. (2014). Online Voltage Stability Prediction Based on Wide Area Measurement System. In: Wang, W. (eds) Mechatronics and Automatic Control Systems. Lecture Notes in Electrical Engineering, vol 237. Springer, Cham. https://doi.org/10.1007/978-3-319-01273-5_23
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DOI: https://doi.org/10.1007/978-3-319-01273-5_23
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