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صفحه اصلی
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هشتمین کنفرانس بین المللی فناوری و مدیریت انرژی
Preventing Frequency Instability Using Large-Scale Photovoltaic Resources
نویسندگان :
Siavash Yari
1
Hamid Khoshkhoo
2
Kumars Rouzbehi
3
S. M. Ale Emran
4
1- Sahand University of Technology
2- Sahand University of Technology
3- University of Seville
4- University of Quebec at Chicoutimi (UQAC)
کلمات کلیدی :
frequency stability،special protection system،power system stability،large-scale photovoltaic power plants
چکیده :
Various control methods have been presented to prevent the occurrence of instability in power systems, among which, it seems that methods based on the special protection system (SPS) are more effective and efficient than other ones. In this article, a SPS using the capabilities of large-scale photovoltaic power plants (LSPVPPs) is presented to prevent frequency increase and instability in power systems. According to the presented algorithm, when frequency increases, the proposed SPS uses the ability of photovoltaic power plants to quickly change their generation powers based on the operating point and frequency changes to prevent frequency instability. To confirm the proposal, LSPVPPs along with their controllers are modeled in the DSL environment of DIgSILENT PowerFactory software. The proposed SPS is implemented and tested on the IEEE 39-bus test system and the results of dynamic simulations show that this SPS prevents frequency instability in different conditions by taking timely measures.
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