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Voltage Stability-Based DG Placement in Distribution Networks

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3 Author(s)
Ettehadi, M. ; Sch. of Electr. & Comput. Eng., Univ. of Tehran, Tehran, Iran ; Ghasemi, H. ; Vaez-Zadeh, S.

Due to high penetration of distributed generation (DG) in distribution networks, transmission networks are no longer responsible solely for security issues in low-voltage distribution networks. DG units may also participate in security as well as power generation depending on their locations. In this paper, a DG placement problem is solved based on voltage stability analysis as a security measure. Modal analysis and continuous power flow are used in a hierarchal placement algorithm. Also, a modified equivalent reactive compensation method is proposed to provide a priority list of DG locations for compensating reactive power during occasions of reactive power shortage. Simulations are carried out on the well-known 33-bus radial distribution network. The results show the effectiveness of the placement algorithm and the ranking method.

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Power Delivery, IEEE Transactions on  (Volume:28 ,  Issue: 1 )