그림 1. 풍력발전기 터빈 너셀의 구조 Fig. 1 The structure of nacelle of the WTGS
그림 2. 전력선통신의 원리 Fig. 2 The principle of powerline communication
그림 3. 제작된 유도성 연결장치의 구조 Fig. 3 The structure of the inductive coupler
그림 4. 전력선통신시스템의 구성도 Fig. 4 The configuration of powerline communication system
그림 5. 전력선통신 기반 화재 예방 모니터링 시스템의 개념도 Fig. 5 The conceptual diagram of fire prevention system based on powerline communication
그림 6. 권선수에 따른 제작된 유도성 연결장치의 삽입손실 Fig. 6 Attenuation of the inductive coupler according to the number of turns
그림 7. 화재감지시스템 시험 (a) 너셀부 시험장치 설치 (b) 지상관제부 열화상 이미지 재현 Fig. 7 Test of fire detection system (a) setting-up devices in the nucelle (b) thermal camera image displayed at the ground control center
표 1. 협대역 전력선통신과 광대역 전력선통신의 비교 Table 1. Comparison of the narrowband and the wideband PLC system
표 2. 유도성 연결장치의 자심재료 조성비(단위: wt%) Table 2. The ratio of magnetic core materials for the inductive coupler (unit: wt%)
References
- The Confederation of Fire Protection Associations in Europe, Wind Turbines Fire Protection Guideline, CFPA-E Guideline No. 22:2012F, Copenhagen, Sept. 2012.
- E. Alejandra, "Passive fire protection system for wind turbines," EP Patent, no. EP2273110, Jan. 12, 2011.
- J. Him, "Windpower generator with the fire detection method," Korea Patent, no. 10-1297424, Aug. 09, 2013.
- M. Kim and J. Lim, "A study on the early fire detection based on environmental characteristics inside the nacelle of wind turbine generator system," J. Korean Soc. Precis. Eng., vol. 31, no. 9, Sept. 2014, pp. 847-854. https://doi.org/10.7736/KSPE.2014.31.9.847
- H. Ferreria, L. Lampe, J. Newbury, and T. Swart, Power Line Communications: Theory and Applications for Narrowband and Broadband Communications over Power Lines. Singapore: Wiley, 2010.
- IEEE Std. 1901.2a-2015, IEEE Standard for Low-Frequency (less than 500 kHz) Narrowband Power Line Communications for Smart Grid Applications. IEEE, Piscataway, N.J., 2015.
- IEEE Std. 1901-2010, IEEE Standard for Broadband over Power Line Networks: Medium Access Control and Physical Layer Specifications. IEEE, Piscataway, N.J., 2011.
- K. S. Park, "Implement of a watt-hour meter monitoring system using powerline communication," J. of the Korea Institute of Electronic Communication Sciences, vol. 8, no. 8, Aug. 2013, pp. 1143-1148. https://doi.org/10.13067/JKIECS.2013.8.8.1143
- S. Kim and D. Kim, "Power line communication based public address system," J. of the Korea Institute of Electronic Communication Sciences, vol. 12, no. 6, Dec. 2017, pp. 1035-1042. https://doi.org/10.13067/JKIECS.2017.12.6.1035
- H. Kim and S. Kang, "A powerline-based legacy-line communication system for implementation of a communication networks in ship," J. of the Korea Institute of Information and Communication Engineering, vol. 19, no. 8, Aug. 2015, pp. 1831-1838. https://doi.org/10.6109/jkiice.2015.19.8.1831