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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 32-569
Full Name: Nita Patne
Position: Senior Lecturer
Age: ON
Sex: Female
Address: Visweswaraya National Institute of Technology, Nagpur.
Country: INDIA
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E-mail address: nitapatne@yahoo.com
Other E-mails: nrpatne@eee.vnit.ac.in
Title of the Paper: Fault Induced Voltage Sag Mitigation Using Dynamic Voltage Restorer.
Authors as they appear in the Paper: Nita Patne K. L. Thakre
Email addresses of all the authors: nitapatne@yahoo.com
Number of paper pages: 10
Abstract: In this paper aim is to study the effectiveness of Dynamic Voltage Restorer (DVR) in mitigating the voltage sag due to different types of faults at every point of the power network under study. The comparative study is done with conventional DVR along with series insertion transformer and proposed DVR at the tertiary winding of already existing step down transformer in the system at the load point. The effectiveness of DVR is studied in terms of critical fault length. It is observed that there is reduction in critical fault length with DVR in the system. Further the study shows that the voltage sag compensation with transformer tertiary winding DVR is effective. But the conventional DVR are more effective to compensate fault induced voltage sag at the cost of additional insertion transformer. The system considered is simulated in PSCAD/EMTDC to do the required study.
Keywords: Voltage sag; faults; Conventional DVR; Critical fault length; Tertiary winding transformer;PSCAD/EMTDC
EXTENSION of the file: .doc
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