Impact of static synchronous compensator on flux-based synchronous generator loss of excitation protection

Hamid Yaghobi

Impact of static synchronous compensator on flux-based synchronous generator loss of excitation protection

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Author(s): Hamid Yaghobi ¹
- Affiliations: 1: Faculty of Electrical Engineering, Semnan University, Semnan, Iran
Source: Volume 9, Issue 9, 05 June 2015, p. 874 – 883
DOI: 10.1049/iet-gtd.2014.0859 , Print ISSN 1751-8687, Online ISSN 1751-8695

Received 08/06/2014, Accepted 09/12/2014, Published 20/02/2015

In order to increase the power transfer and providing the optimum utilisation of the power system capability, application of flexible alternating current transmission system (FACTS) devices technology, such as static synchronous compensator (STATCOM), has been attracted, in recent years. However, the STATCOM changes the voltage and current of the power system that disturb the operation of the impedance-based synchronous generator loss of excitation (LOE) protection. Then, this study proposes a new flux-based LOE protection method, in the presence of STATCOM, that is based on the local variation of the flux linkage of the generator available at the location of relay. The mentioned relay is independent of other generator protection relays without any coordination. In order to show the satisfying operation of the proposed method, some simulations have been carried out in the Matlab/Simulink software. A single-machine infinite bus and a three-machine infinite bus systems have been used in simulations. The results show that the presence of STATCOM has no important effect on the performance of proposed relay opposite to a negative offset relay with two protective zones (the widely used impedance method) which is affected by STATCOM operation.

References

1. 1)
  - J. Berdy . Loss of excitation protection for modern synchronous generators. IEEE Trans. Power Appar. Syst. , 5 , 1457 - 1463
2. 2)
  - 7. Mason, C.R.: ‘A new loss-of-excitation relay for synchronous generators’, AIEE Trans. III, Power Appar. Syst., 1949, 68, pp. 1240–1245.
3. 3)
  - 22. Ong, C.M.: ‘Dynamic simulation of electric machinery using MATLAB/SIMULINK’ (Prentice-Hall, New Jersey, 19982nd edn.).
4. 4)
  - 8. Tremaine, R.L., Blackburn, J.L.: ‘Loss-of-ﬁeld protection for synchronous machines’, AIEE Trans. III, Power Appar. Syst., 1954, 73, (1), pp. 765–772.
5. 5)
  - 2. Yaghobi, H., Mortazavi, H., Ansari, K., et al: ‘Study on application of flux linkage of synchronous generator for loss of excitation detection’, Int. Trans. Electr. Energy Syst. (ETEP), 2013, 23, (6), pp. 802–817 (doi: 10.1002/etep.1626).
6. 6)
  - 5. North Electric Reliability Corporation (NERC): ‘Power plant and transmission system protection coordination’, Technical Reference Document, July 2010.
7. 7)
  - S.R. Samantaray , P.K. Dash . Transmission line distance relaying using machine intelligence technique. IET Gener. Transm. Distrib. , 1 , 53 - 61
8. 8)
  - 1. Yaghobi, H., Mortazavi, H.:‘A novel method to prevent incorrect operation of synchronous generator loss of excitation relay during and after different external faults’, Int. Trans. Electr. Energy Syst. (ETEP), 2014, Published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/etep. 1922.
9. 9)
  - 17. Saini, L.M., Aggarwal, S.K., Kumar, A.: ‘Parameter optimization using genetic algorithm for support vector machine-based price-forecasting model in National electricity market’, IET Gener. Transm. Distrib., 2010, 4, (1), pp. 36–49 (doi: 10.1049/iet-gtd.2008.0584).
10. 10)
  - C.H. Lee , L.S. Ma , C.H. Weng . Lessons learned from the generator loss of field at a cogeneration thermal plant in Taiwan. IEEE Transactions on Power Systems , 4 , 2093 - 2100
11. 11)
  - A.M. Sharaf , T.T. Lie . ANN based pattern classification of synchronous generator stability and loss of excitation. IEEE Trans. Energy Convers. , 4 , 753 - 759
12. 12)
  - 3. Yaghobi, H., Mortazavi, H., Ansari, K., et al: ‘A novel ﬂux-based method for synchronous generator loss of excitation protection’. Proc. of the 25th Int. Power System Conf., Tehran, Iran, 2010, pp. 1–14.
13. 13)
  - 15. Chothani, N., Bhalja, B., Parikh, U.: ‘New support vector machine-based digital relaying scheme for discrimination between power swing and fault’, IET Gener. Transm. Distrib., 2014, 8, (1), pp. 17–25 (doi: 10.1049/iet-gtd.2013.0020).
14. 14)
  - 13. Pajuelo, E., Gokaraju, R., Sachdev, M.S.: ‘Identification of generator loss-of-excitation from power-swing conditions using a fast pattern classification method’, IET Gener. Transm. Distrib., 2013, 7, (1), pp. 24–36 (doi: 10.1049/iet-gtd.2012.0340).
15. 15)
  - 21. Working Group J-5 of the Rotating Machinery Subcommittee, Power System Relay Committee: ‘Coordination of generator protection with excitation control and generator capability’. 62nd Annual Conf. for Protective Relay Engineers, 2009.
16. 16)
  - M. Arkan , D.K. Perovic , P. Unsworth . Online stator fault diagnosis in induction motors. IEE , 6 , 537 - 547
17. 17)
  - 6. U.S.-Canada Power System Outage Task Force: ‘Final report on the August 14, 2003 blackout in the United States and Canada: causes and recommendations’, Available at: https://reports.energy.gov/BlackoutFinal-Web.pdf.
18. 18)
  - 19. Usta, O., Musa, M.H., Bayrak, M., Redfern, M.A.: ‘A new relaying algorithm to detect loss of excitation of synchronous generators’, Turk. J. Electr. Eng., 2007, 15, (3), pp. 339–349.
19. 19)
  - 4. Elsamahy, M., Faried, S.O., Sidhu, T.: ‘Impact of midpoint STATCOM on generator loss of excitation protection mechanism’, IEEE Trans. Power Deliv., 2014, 29, (2), pp. 724–732 (doi: 10.1109/TPWRD.2013.2281581).
20. 20)
  - A.P. Morais , G. Cardoso , L. Mariotto . An innovative loss-of-excitation protection based on the fuzzy inference mechanism. IEEE Trans. Power Deliv. , 4 , 2197 - 2204
21. 21)
  - K.H. So , J.Y. Heo , R.K. Aggarwal , K.B. Song . Out-of-step detection algorithm using frequency deviation of voltage. IET Gener. Transm. Distrib. , 1 , 119 - 126
22. 22)
  - 10. IEEE Std. C37.102:‘IEEE guide for AC generator protection’, (New York, 2006).
23. 23)
  - 16. Bhalja, B., Chothani, N., Parikh, U.: ‘Development of a new bus zone identiﬁcation algorithm using support vector machine’, IET Gener. Transm. Distrib., 2012, 6, (7), pp. 710–718 (doi: 10.1049/iet-gtd.2011.0459).

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Impact of static synchronous compensator on flux-based synchronous generator loss of excitation protection

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