A Fast Online Load Shedding Method for Mitigating FIDVR Based On Novel Stability Index
Publish place: 21th Iranian Conference on Electric Engineering
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE21_831
تاریخ نمایه سازی: 27 مرداد 1392
Abstract:
This paper presents an online fast load shedding method for mitigating Fault-Induce Delayed Voltage Recovery (FIDVR), using a new stability index. After fault clearing in apower system, the voltage may remain in lower levels for some seconds, which may result in voltage collapse in severe cases. Inthis paper, a new index, to identify instability, is presented, based on induction motor model. Instead of using voltage amplitude as a stability indicator, the proposed method applies acentralized scheme, using new the index. The new load shedding algorithm is applied to a practical test system in order to verifythe proposed stability index and load shedding methodology. Simulations show the effectiveness of proposed method in decreasing the voltage recovery time
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Authors
Arash Mahari
Student Member, IEEE
Heresh Seyedi
University of Tabriz