A Novel Approach for Monitoring of Voltage Stability Margin subsequent to Observability Analysis: A Practical System Case Study
Publish place: The Second National Conference on Applied Research in Electrical, Mechanical and Mechatronics
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ELEMECHCONF02_439
تاریخ نمایه سازی: 22 مهر 1394
Abstract:
This paper presents a practical approach for voltage stability margin (VSM) monitoring in a pilot project, in which two related steps are considered. Through the planning stage of a practical project, it is necessary to make the grid observable to actualize the VSM monitoring during the operation. So, an observability based VSM monitoring scheme is proposed in this work. Firstly, using observability analysis and state estimation requirement, optimal location of metering devices is determined for the Hormoz distribution grid as a practical system case study. Secondly, using the information sent by metering devices, the VSM monitoring is evaluated using a transfer function (TF) model during the operation. To assess the performance of the proposed method, it is compared with a case, in which metering infrastructures are connected to the whole of buses. For further simulation, input data combinations of the TF model are varied throughout two different scenarios
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Authors
Javad Ansari
Electrical Department, Iran University of Science & Technology, Tehran, Iran
Mehdi Ghazavi Dozein
Niroo Research Institute (NRI), Tehran, Iran
Ahad Kazemi
Electrical Department, Iran University of Science & Technology, Tehran, Iran