초록

Several optimizing solutions have recently been developed, and show various operational and economic improvements in designed verification studies. This paper focuses on electrical loss by reactive power profile from wind turbines and proposes a loss reduction method that considers realistic cable components. By considering those disregarded factors, previous reactive power allocation could gain efficiency without an additional complementary module. Those applications have focused on a stabilized condition for confirming the maximum effect that may be derived from a full-extraction state. In the case of a large-scale wind farm, however, a physical area with realistic environmental variation should be considered to derive acceptable case studies. In this paper, we modified a reactive power allocation strategy that is based on the proportional technique with the system components of a wind farm structure to utilize it with various practical options. Each analysis proceeded to check feasibility in terms of loss reduction with a comparative generic distribution method. The simulation was composed based on electromagnetic transients using the DC (EMTDC) software tool to perform electrical loss estimation and to verify the effectiveness of this strategy.

키워드

풍력단지제어, 무효전력, 손실 최적화, 적응 제어, 풍력 제한

참고문헌(11)open

  1. [학술지] Khalil, A. M. / 2018 / Power System Coherency Identification Under High Depth of Penetration of Wind Power / IEEE Transactions on Power Systems 33 (5) : 5401 ~ 5409

  2. [학술지] Jeon, I. S. / 2015 / Understanding the environmental impacts of the offshore wind farms / Journal of wind energy 6 (2) : 5 ~ 10

  3. [학술지] 오정배 / 2017 / 한국 해상풍력 발전방안 제언 / 풍력에너지저널 8 (1) : 5 ~ 15

  4. [학술지] Kim, J. / 2016 / AdaptiveQ–VScheme for the Voltage Control of a DFIG-Based Wind Power Plant / IEEE Transactions on Power Electronics 31 (5) : 3586 ~ 3599

  5. [학술지] Ullah, N. R. / 2009 / Wind Farms as Reactive Power Ancillary Service Providers—Technical and Economic Issues / IEEE Trans. Energy Convers 24 : 661 ~ 672

  6. [학술지] Majumder, R. / 2014 / Aspect of voltage stability and reactive power support in active distribution / Gener. Transm. & Distrib., IET 8 (3) : 442 ~ 450

  7. [학술지] Gabash, A. / 2016 / On Variable Reverse Power Flow-Part I: Active-Reactive Optimal Power Flow with Reactive Power of Wind Stations / Energies 9 (121) : 1 ~ 12

  8. [보고서] Bird, L. / 2014 / Wind and Solar Energy Curtailment: Experience and Practices in the United States

  9. [학술지] Zhou, D. / 2005 / Thermal behavior optimization in multi-MW wind power converter by reactive power circulation / IEEE Trans. Industry Applications 50 : 433 ~ 440

  10. [학술지] Jung, S. / 2013 / Development of Optimal Power Control Scheme for wave-offshore Hybrid Generation System / Energies 8 : 9009 ~ 9028

  11. [학술대회] Bunjongjit, K. / 2014 / An implementation of three-level BTB NPC voltage source converter based-PMSG wind energy conversion system / TENCON 2014 - 2014IEEE Region 10 Conference : 1 ~ 5