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مجله بین المللی برق و amp; سیستم های انرژی
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  • load modeling for wide area power system

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    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 478
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the electrical loads have significant impacts on the dynamic performances of the wide area power system, and the dynamic behaviors of the power system can not be reproduced by the simulation system, unless the electrical load was modeled accurately. in the previous load modeling, the dynamics of the electrical load itself is of concern. using such load models, the satisfied dynamic behaviors of the wide area power system can not be obtained by simulation. in this paper, a system-wide load modeling strategy is proposed. the electrical loads are firstly classified into a few categories using the component based load modeling method. according to the problems studied, the output variables of the power system are selected, and the objective function is constructed using the data from wide area measurement system (wams). the trajectory sensitivities of the load model parameters with respect to the output variables are analyzed. based on which, the key parameters playing important roles on dynamics of the power system are identified and included in further parameter estimation. the load models for the wide area power system are built simultaneously, and the system-wide load modeling method is implemented on the ieee 39-bus system to evaluate its effectiveness.

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