Identification-based power unit model for load frequency control purposesIdentification-based power unit model for load frequency control purposes
【title】：Identification-based power unit model for load frequency control purposesIdentification-based power unit model for load frequency control purposes 【Authors】：Hain, Y.; Kulessky, R.; Nudelman, G. 【Subject】：power system control; load regulation; frequency control; power system identification; transfer functions; frequency response; power generation dispatch; power generation control; identification-based power unit model; load frequency control; transfer function identification; power unit dynamic model; two-stage procedure; noise effect reduction; frequency response identification; transfer function computation; frequency response; steady-state operation mode; automatic generation control; load-fr 【Page】：【CorporateSource】：Generation & Transmission Group, Israel Electr. Corp. Ltd., Haifa, Israel【ConferenceDte】：16-20 July 2000 【ISSN】：0-7803-6420-1【Volume】：1【Issue】：【Part】：【pdfd】：IELDVD037:6967:18757:867620【File Size】：29K 【Part】：【PublishDate】：2000【AccessionNumber】：6735409【Publisher】：Power Engineering Society Summer Meeting, 2000. IEEE【TotalPage】：4 vol. (xxxvii+2608) 【Abstract】：Summary form only given as follows. This paper presents a new method for process transfer function identification (TFI) and a new approach for the development of a power unit's dynamic model based on new applications for the presented TFI method. This method uses a two-stage procedure which indirectly reduces both noise effect and the order of the transfer function. The first stage is the frequency response identification of a process, while the second one is the transfer function computation using frequency response obtained in the first stage. The power unit dynamic model which is identified using three relatively simple experiments is applied to load-frequency control. This dynamic model developed for the vicinity of the steady-state operation mode can be used for automatic generation control purposes, to tune load-frequency control systems, as well as to build and set up a real-time simulator for dispatcher training. The modeling of 140 MW power units of the IEC (Israel) is fulfilled through implementation of this model and by its identification method yielding sufficiently good results.
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