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Unit Commitment of a Microgrid Considering Islanded Operation Scenarios

독립운전 시나리오를 고려한 마이크로그리드의 최적 발전기 기동정지 계획

  • Lee, Si Young (Department of Energy and Electrical Eng, Korea Polytechnic University)
  • Received : 2018.03.12
  • Accepted : 2018.05.08
  • Published : 2018.06.01

Abstract

Islanded operation of a microgrid can ensure the reliable operation of the system when a large accident occurs in the main grid. However, because the generation capability of a microgrid is typically limited, a microgrid operator should take islanded operation risk into account in scheduling its generation resources. To address this problem, in this paper we have proposed two unit commitment formulations based on the islanding scenario that reflect the expected and worst-case values of the islanded operation risk. An optimal resource scheduling strategy is obtained for the microgrid operator by solving these optimization problem, and the effectiveness of the proposed method is investigated by numerical simulations.

Acknowledgement

Supported by : 한국산업기술대학교

References

  1. N. Hatziargyriou, H. Asano, R. Iravani, and C. Marnay, "Microgrids, "IEEE Power Energy Mag., vol. 5, no. 4, pp. 78-94, Jul./Aug. 2007. https://doi.org/10.1109/MPAE.2007.376583
  2. R. H. Lasseter, and P. Paigi, "Microgrid: A conceptual solution," in Proc. 35th Annual IEEE Power Electronics Specialists Conf., Aachen, Germany, 2004, pp. 4285-4290.
  3. J. Pecas Lopes, C. Moreira, and A. Madureian, "Defining Control Strategies for MicroGrids Islanded Operation," IEEE Trans. on Power Systems, vol. 21, no. 2, pp. 916-924, May 2006. https://doi.org/10.1109/TPWRS.2006.873018
  4. Hossam A. Gabbar, and Abdelazeem A. Abdelsalam, "Microgrid energy management in grid-connected and islanding modes based on SVC," Energy Conversion and Management, vol. 86, pp. 964-972, Oct. 2014. https://doi.org/10.1016/j.enconman.2014.06.070
  5. Changhee Cho, Jin-Hong Jeon, Jong-Yul Kim, Soonman Kwon, Kyongyop Park, and Sungshin Kim, "Active Synchronizing Control of a Microgrid," IEEE Trans. on Power Systems, vol. 26, no. 12, pp. 3707-3719, Dec. 2011. https://doi.org/10.1109/TPEL.2011.2162532
  6. S. Lee, Y. Jin, and Y. Yoon, "Determining the Optimal Reserve Capacity in a Microgrid with Islanded Operation," IEEE Trans. on Power Systems, vol. 31, no. 2, pp. 1369-1376, Mar. 2016. https://doi.org/10.1109/TPWRS.2015.2422786
  7. Amin Khodaei, "Microgrid Optimal Scheduling With Multi-Period Islanding Constraints," IEEE Trans. on Power Systems, vol. 29, no. 3, pp. 1383-1392, May 2014. https://doi.org/10.1109/TPWRS.2013.2290006
  8. R. B. Hytowitz, and K. W. Hedman, "Managing solar uncertainty in microgrid systems with stochastic unit commitment," Electric Power Systems Research, vol. 119, pp. 111-118, Feb. 2015. https://doi.org/10.1016/j.epsr.2014.08.020
  9. L. Wu, M. Shahidehpour, and T. Li, "Stochastic Security-Constrained Unit Commitment," IEEE Trans. on Power Systems, vol. 22, no. 2, pp. 800-811, May 2007. https://doi.org/10.1109/TPWRS.2007.894843
  10. Pflugfelder D, Wilkens JJ, Oelfke U, "Worst case optimization: a method to account for uncertainties in the optimization of intensity modulated proton therapy," Physics in Medicine & Biology, vol. 53, no. 6, pp. 1689-1700, Feb. 2008. https://doi.org/10.1088/0031-9155/53/6/013