The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 32-388
Full Name: Prashant Jagtap
Position: Senior Lecturer
Age: ON
Sex: Male
Address: C.R.P.F. Gate No. 3 Digdoh Hills Hingna Road Nagpur-16
Country: INDIA
Tel: 09881713550
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E-mail address: ppjagtap@yahoo.com
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Title of the Paper: damping of power system oscillations in multimachine systems with unified power flow controller (upfc)
Authors as they appear in the Paper: P Jagtap, K Joshi, J Helonde
Email addresses of all the authors: ppjagtap@yahoo.com,kdjoshi@rediffmail.com,jbhelonde@rediffmail.com
Number of paper pages: 10
Abstract: This paper presents a control scheme, comprehensive analysis and result obtained for the dynamic control of power transmission, damping of oscillations with Unified Power Flow Controller (UPFC) on the basis of theory and computer simulations through MATLAB software. The system deals with the Multimachine system containing two generators, two transformers, five buses, three transmission lines & a load. UPFC is a controlled reactor having function of both static synchronous compensator (STATCOM )as well as static synchronous series compensator (SSSC) used with long transmission lines to control the dynamic and transient performance.The power system employed in this study is Multimachine model based on the result of simulation studies using MATLAB. These studies show that these controllers can provide satisfactory performance under wide variations in parameters. This report focuses on the damping of oscillations in power systems by incorporating an auxiliary control !
to UPFC i.e. power system Damping Controller (PSDC). It briefly discusses the role of power System Stabilizer (PSS) in damping local mode and inter-area oscillations. It also discusses the role of combination made by PSS and UPFC in damping power system oscillations during simulation studies, the position of UPFC is kept constant, at the midpoint of the transmission line. A three phase fault is induced in the transmission line using fault logic and the performance of the UPFC is studied by varying the parameters of PSDC. The magnitude of the fault and the time of application of the fault are kept constant. The simulation studies revealed that oscillations present after occurrence of fault are greatly reduced after PSS and UPFC combination
Keywords: UPFC, Power Oscillation Damping, STATCOM, PSS, Multimachine system
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