Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
권호 표지
DOI QR코드

DOI QR Code

Optimal Operation System of Step Voltage Regulator in Primary Feeders with Distributed Generations

분산전원이 연계된 고압배전선로에 있어서 선로전압 조정장치의 최적운용 평가시스템 개발

  • 손준호 (한국기술교육대 정보기술공학부) ;
  • 허상운 (한국기술교육대 정보기술공학부) ;
  • 노대석 (한국기술교육대 정보기술공학부) ;
  • 김의환 (한전전력연구원)
  • Received : 2011.04.04
  • Accepted : 2011.06.09
  • Published : 2011.06.30
Download PDF
⟨ Previous Next ⟩

Abstract

This paper deals with the optimal operation algorithm of SVR(Step Voltage Regulator) which is located with primary feeders and proposes the optimal operation system to evaluate customer voltage. The existing algorithm of SVR adapts the constant sending voltage method, which may cause the power quality problems such as overvoltage and under voltage variations in case where the distributed generations are interconnected with the primary feeders. Therefore, this paper proposes the optimal algorithm of LDC method for SVR using least square method to obtain the optimal setting values. Also, this paper presents the optimal evaluation system based on the former algorithm. The simulation results according to the types and capacities of distributed generations shows the effectiveness.

본 논문에서는 기존의 고압배전선로에 설치되어 운용되고 있는 선로전압조정장치(Step Voltage Regulator, 이하 SVR)의 최적 전압조정 알고리즘을 제시하고 이를 이용하여 수용가전압을 평가할 수 있는 최적 평가시스템을 제시한다. 현재 SVR은 일정전압 송출방식을 사용하고 있지만, 대규모의 태양광, 풍력 등의 분산전원이 배전계통에 도입되는 경우, 전압품질[과전압/저전압] 문제점을 발생시킬 수 있다. 따라서 본 논문에서는 선로전압조정장치의 LDC운용에 필수적인 정정치를 계산하기 위하여, 비선형 최적화수법인 선형회귀법을 사용하여 선로전압조정장치의 최적 운용 알고리즘을 제시하였고, 제안한 알고리즘을 바탕으로 평가시스템을 제작하여, 분산전원의 타입과 연계용량에 따라 다양한 시뮬레이션을 수행하여 제안한 알고리즘의 유효성을 확인하였다.

Keywords

References

  1. Shogo Watanabe, Shinichi Iwamoto, "A Voltage Control Strategy for Distribution Networks with Dispersed Generations", Power Engineering Society General Meeting, 2007. IEEE
  2. Miyoung Kim, Hara, R.; Kita, H, "Design of the Optimal ULTC Parameters inDistribution System With Distributed Generations", Power Systems, IEEE Transactions, 2009, Page(s): 297 - 305
  3. "Guideline for interconnection with distributed sources", JEC 4201, Japan, 2002.4
  4. EPRI, " Electricity Technology Road Map", 2003
  5. "Manual for voltage management", Hokkaido power company, Japan, 2003.1
  6. "Guideline for interconnection with wind power and standards for operation of distribution system", KEPRI, 2004
  7. "Study on the improvement of voltage management in distribution system", KEPRI, 2003.10
  8. James J. Burke, "Power Distribution Engineering", Dekker, Inc. pp. 320-348 (1994)
  9. H. Soi, H. Yakabe, H. Kakimoto, T. Hayashi & M. Kanori, "Development of High Voltage Distribution Line Management System", IEEJP & Society, No.32 (1995)
  10. H. Kirkham & R. Das, "Effects of Voltage Control in Utility Interactive Dispersed Storage and Generation Systems", IEEE Trans. Power Apparatus and Systems, Vol. PAS-103, No.8, 1984
  11. C. Chen, "The Effect of Voltage Control to Efficiency and Operation of Electric Distribution Systems", Ph.D. Thesis, University of Texas at Arllington (1982)
  12. Lin C. E., Shiao Y. Huang C. L. and Sung P., "Design Consideration and Economical Evaluation Battery Energy Storage System", 92 IEEE PESSummer Meeting, Paper # 92 SM 431-7 PWRS, Washington, July 1992
  13. Rho Daeseok, "Evaluation of customer voltage using simulator for voltage regulator in distribution systems with new energy power sources", KIEE, Summer Meeting, 2009.7
  14. Rho Daeseok , "Optimal operation method for voltage regulator in distribution systems with new energy power sources", KIEE, Journal Volume 53A, No. 11, 2004. 11, 581-640pages

Cited by

  1. A Study on the SVR Optimal Placement in Distribution System with Distributed Generators vol.27, pp.11, 2013, https://doi.org/10.5207/JIEIE.2013.27.11.069