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논문 기본 정보

자료유형
학술저널
저자정보
Amin Khodaei (University of Denver) Mohammad Shahidehpour (Illinois Institue of Technology) Jaeseok Choi (Gyeongsang National University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.8 No.6
발행연도
2013.11
수록면
1,251 - 1,260 (10page)

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초록· 키워드

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This paper presents the optimal scheduling of hourly consumption in a residential community (community, neighborhood, etc.) based on real-time electricity price. The residential community encompasses individual residential loads, communal (shared) loads, and local generation. Community-aggregated loads, which include residential and communal loads, are modeled as fixed, adjustable, shiftable, and storage loads. The objective of the optimal load scheduling problem is to minimize the community-aggregated electricity payment considering the convenience of individual residents and hourly community load characteristics. Limitations are included on the hourly utility load (defined as community-aggregated load minus the local generation) that is imported from the utility grid. Lagrangian relaxation (LR) is applied to decouple the utility constraint and provide tractable subproblems. The decomposed subproblems are formulated as mixed-integer programming (MIP) problems. The proposed model would be used by community master controllers to optimize the utility load schedule and minimize the community-aggregated electricity payment. Illustrative optimal load scheduling examples of a single resident as well as an aggregated community including 200 residents are presented to show the efficiency of the proposed method based on real-time electricity price.

목차

Abstract
1. Introduction
2. Hourly Load Model with SpecificCharacteristics
3. Community-aggregated Model for Optimal Load Scheduling
4. Microgrid Model for Community-aggregatedConsumption
5. Numerical Simulation
6. Discussions and Observations
References

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