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Development of Transmission Expansion Planning Optimization Software Considering Integration of Generation and Transmission Facilities

발·송전설비 통합성을 고려한 전력계통계획 전산모형 프로그램 개발

  • Received : 2009.07.23
  • Accepted : 2009.12.28
  • Published : 2010.02.28

Abstract

The transmission valuation methodology we propose here captures the interaction between generation and transmission investment decisions recognizing that a transmission expansion can impact the profitability of new resources investment, so that a methodology should consider both the objectives of investors in resources and the transmission planner. In this perspective, this paper purports to develop the mixed-integer programming based transmission expansion planning optimization software, which is well designed to determine the construction time and place of new generators, transmission lines, and substations as well as their capacities to minimize total expenditures related to their investment and operations while meeting technical constraints such as capacity margin, constitution ratio of power resources, spinning reserves, energy and fuel constraints, transmission line outages and losses, pi-type branching, and so on. Finally, Garver's simple system is adopted to validate not simply the accuracy but the efficiency of the proposed model in this paper.

본 논문에서 제안하는 전력계통계획 방법론은 계통계획이 신규 자원의 수익에 영향을 미칠 수 있다는 인식 하에 발전 및 송전 투자 결정에 관한 상호 작용을 반영하고, 이것으로 인하여 설비 투자자 및 전력계통계획자의 목적을 동시에 고려할 수 있게 된다. 이러한 관점에서 본 논문은 혼합정수계획 모형에 기초한 전력계통계획 전산모형 프로그램을 개발하고자 한다. 이 소프트웨어는 설비예비율, 발전원별 비율,순동예비력 양, 에너지 및 연료제약 조건, 송전선로 사고 및 손실, 파이 분기 등의 기술적 제약조건을 만족하면서 신규 발전설비, 송전선로, 변전소의 용량뿐만 아니라 건설 시기와 장소를 결정하도록 설계되어 있다. 최종적으로 간단한 Garver 계통을 통하여 본 논문에서 제안된 전산모형 프로그램의 정확성 및 효율성을 검증하고자 한다.

Keywords

References

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  1. Transmission Network Expansion Planning Using Risk Level Improvement Index vol.63, pp.6, 2014, https://doi.org/10.5370/KIEE.2014.63.6.752