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 آزمایشگاه تحقیقاتی

الکترونیک قدرت و میدان های الکتریکی ، مغناطیسی

کدپستی  1684613114

تلفاکس  77240491-021

e-mail: shresearchlab@iust.ac.ir

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:: مقالات علمی سال 1383 ::

Low frequency oscillation analysis in parallel AC/DC system by a novel dynamic model

H.R. Najafi, F. Robinson, A. Shoulaie

Abstract

A novel approach is presened for efficiently modeling a power system which includes parallel-connected HVAC, and HVDC transmission system. The proposed model has been derived for a system in which an AC generator is connected to an infinite bus system through a parallel AC tie line and a HVDC link. In addition to state-space representation, a block diagram representation has been formed to analyze system stability. In this new block diagram representation, the dynamic characteristics of the system are expressed in terms of a newly developed H constant. The development of the block diagram and  associated H constants are explained. The new model i sevaluated using PSCAD/RTDS real time digital simulation. Based on this new model, the low frequency oscillation phenomenon in parallel AC/DC system is studied and the results are shown.

دفعات مشاهده: 4923 بار   |   دفعات چاپ: 1418 بار   |   دفعات ارسال به دیگران: 94 بار   |   0 نظر

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Power Electronic and Electric,Magnetic fields Research Lab
Power Electronic and Electric,Magnetic fields Research Laboratory Tel : 77240491
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