Improvement of damping power system stabilizer and svs supplementary controls
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Transcript of Improvement of damping power system stabilizer and svs supplementary controls
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Improvement of Damping-Power System Stabilizer and SVS supplementary controls
Suparman,ST
Department of Electrical Engineering University of Brawijaya
Malang
Stability and control of electric power systems Lecture : Prof. DR. Ir. Abraham Lomi,M.Eng.
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Power system Stability
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Stabilitas dalam sistem tenaga listrik didefinisikan sebagai kemampuan sistem tenaga listrik untuk menjaga sinkronisasi pada saat gangguan maupun setelah gangguan terjadi (Robandi dan Kharisma, 2008). Power System Stabilizer (PSS) merupakan suatu piranti yang berfungsi untuk menjaga stabilitas sistem tenaga listrik (Grainger dan Stevensson, 1994; Saadat, 1999).
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Power system Stability
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Power system Stabilizer
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Power System Stabilizer Berfungsi untuk meredam Osilasi frekwensi, Torsi Rotor & Voltage pada sistem pembangkit yang disebabkan oleh adanya perubahan beban yang fluktuatif. osilasi tersebut biasanya terjadi dalam rentang frekuensi sekitar 0,2 sampai 3,0 Hz, dan dapat mengganggu kemampuan sistem dalam mentransmisikan daya listrik (Bandal et al., 2006). Guna meredam osilasi tersebut, Power System Stabilizer harus mampu menghasilkan komponen torsi elektrik yang sesuai.
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Power system Stabilizer
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PSS adalah peralatan kontrol pembangkit yang digunakan dalam umpan balik untuk meningkatkan redaman rotor osilasi disebabkan karena gangguan sinyal kecil. Gangguan ini dapat disebabkan oleh bahkan perubahan kecil dalam tegangan referensi dari regulator tegangan otomatis / exciter yang mengakibatkan semakin meningkat osilasi rotor.
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Power system Stabilizer
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Pemodelan Power system Stabilizer
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Diagram Power sistem Stabilizer (PSS).
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Pemodelan Power system Stabilizer
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Diagram blok Power sistem Stabilizer (PSS).
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Pemodelan Power system Stabilizer
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Power system Stabilizer
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Dirancang untuk meredam ganguan ganguan yang terjadi pada sistem tenaga listrik dengan mengunakan kontrol tambahan Statik VAR Sistem (SVS), SVS dapat meningkatkan pasokan daya listrik ke konsumen atau Load. SVS terdiri dari shunt kompensator statis thyristor dan SVC dikombinasikan dengan kapasitor bank Kapasitor bank switching dikendalikan oleh pengatur SVC sehingga SVS dapat mengontrol secara otomatis
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Teknical Data SVS
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Pemodelan SVS IEEE 2005
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Single Line Pemodelan SVS
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Referensi
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1) Bandal, V., Bandyopadhyay, B., & Kulkarni, A.M. (2006). Design of Power System Stabilizer using Power Rate Reaching Law based Sliding Mode Control Technique, IEEE Xplore.
2) Bevrani, H., & Hiyama, T. (2006). Stability and Voltage Regulation Enhancement Using an Optimal Gain Vector, Proceedings of 2006 IEEE Power Engineering Society General Meeting, Canada. 6pp. doi: 10.1109/PES.2006. 1708999.
3) Chetty, M. (2002). A Fuzzy Logic Based Discrete Mode Power System Stabilizer, Asian Journal of Control, 4, 3, 327-332.
4) Grainger, J.J., & Stevenson, W.D.Jr. (1994). Power System Analysis, Singapore: McGraw-Hill.
5) Harmas, N.M., Abdelazis, M., & Hamidi-Cherif, A. (2007). Observer Based Intelligent Power System Stabilizer, International Journal of Electrical and Power Engineering, 6(10), 1057-1063.
6) Heniche, A., Kamwa, I., & Grondin, R. (2005). Torsional-mode identification for turbogenerators with application to PSS tuning, Proceeding os International Conference on Power Systems Transients, Montreal, Paper No. IPST05 – 222.
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Referensi
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1. Kunder, P. (1994). Power System Stability and Control, McGraw-Hill. 2. Anderson, P. M.; & Fouad, A. A. (2003). Power System Control and
Stability(Second Edition),John Wiley & Sons. 3. Zhang, X.P.; Rehtanz, C.; & Pal, B.(2006). Flexible AC Transmission
Systems: Modeling and Control. 4. Study on Oscillation Damping Effects of Power,System Stabilizer
with Eigenvalue Analysis Method for the Stability of Power Systems,Fang Liu1, Ryuichi Yokoyama, Yicheng Zhou, Min Wu,Waseda University,Japan.
5. www.google.com 6. www.bing.com 7. www.wikipaedia.com
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Thank You
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