아이디어: 탐욕적 & 순차적 순열 탐색
아이디어: 국소 최대값 기반 이진화를 적용한 이산 공간에 대한 베이지안 최적화
To-Do-List
Issues
Related Work
Experimental Results
References
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A three-phase state estimation in active distribution networks, International Journal of Electric Power & Engergy Systems, 2014.
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Formulation of Three-Phase State Estimation Problem Using a Virtual Reference, IEEE Transactions on Power Systems, 2020.
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Identification of the phase connectivity in distribution systems through constrained least squares and confidence-based sequential assignment, International Journal of Electric Power & Engergy Systems, 2022.
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Three-phase state estimation in the medium-voltage network with aggregated smart meter data, International Journal of Electric Power & Engergy Systems, 2018.
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Three-Phase State Estimation of a Low-Voltage Distribution Network with Kalman Filter, Energies, 2021.
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Verification and estimation of phase connectivity and power injections in distribution network, Electric Power Systems Research, 2017.
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F. Olivier, A. Sutera, P. Geurts, R. Fonteneau, D. Ernst, Phase identification of smart meters by clustering voltage measurements, in: 2018
Power Systems Computation Conference (PSCC), IEEE, 2018, pp. 1–8
참고 문헌: 상 식별
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(Olivier 2017) Automatic phase identification of smart meter measurement data, CIRED-Open Access Proceedings Journal
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(Deshwal 2022) Bayesian Optimization over Permutation Spaces, In AAAI.
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순열 공간에서의 베이지안 최적화 알고리즘 제안
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(Hashmi 2023) Consensus based phase connectivity identification for distribution network with limited observability. arXiv preprint arXiv:2301.03938.
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Consensus based optimization 방
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검증을 위해 제한된 관측 데이터에 적용 가능한 Monte Carlo Simulation을 적용
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상 식별 관련 연구들을 체계적으로 정리
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(Pezeshki 2012) Consumer phase identification in a three phase unbalanced lv distribution network, in ISGT Europe
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(Zhou 2020) Consumer phase identification in low-voltage distribution network considering vacant users
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vacant users(일시적으로 전력 사용을 중지하거나, 사용 데이터가 누락된 고객)를 고려한 상 식별 문제를 다룸
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시계열 차이 유형 별 적합한 유사도 측정 방법 제안
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(Izadi 2021) Improving Real-world Measurement-based Phase Identification in Power Distribution Feeders with a Novel Reliability Criteria Assessment, ISGT-Europe
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압축 기반 시계열 유사도 측정 방법
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(Hoogsteyn 2022) Low voltage customer phase identification methods based on smart meter data, arXiv preprint arXiv:2204.06372
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(Hosseini 2020) Machine learning-enabled distribution network phase identification. IEEE Transactions on Power Systems.
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(Wang 2016) Phase Identification in Electric Power Distribution Systems by Clustering of Smart Meter Data, 15th IEEE International Conference on Machine Learning and Applications.
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(Padullaparti 2022) Phase Identification in Real Distribution Networks with High PV Penetration Using Advanced Metering Infrastructure Data. In 2022 IEEE Power & Energy Society General Meeting (PESGM)
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(Arya 2011) Phase Identification in Smart Grids, In 2011 IEEE International Conference on Smart Grid Communications (SmartGridComm)
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Load matching approach: Aggregated electricity consumptions of all customers 
Electrical loads of substation
Electrical loads of substation•
(Vycital 2019) Phase identification in smart metering pilot project komorany, in Int. Conf. on Electricity Distribution
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(Olivier 2018) Phase identification of smart meters by clustering voltage measurements, in Power Systems Computation Conference
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(Blakely 2020) Phase Identification Using Co-Association Matrix Ensemble Clustering, IET Smart Grid
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상 식별 방법: Spectral Clustering + Co-association matrix
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(Xu 2016) Phase identification with incomplete data, IEEE Transactions on Smart Grid
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(Blakely 2019) Spectral Clustering for Customer Phase Identification Using AMI Voltage
Timeseries, In IEEE Power and Energy Conference at Illinois
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상 식별 방법: Spectral Clustering 기법
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(Kota 2015) Voltage Correlations in Smart Meter Data, in ACM SIGKDD.
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변압기, feeder (선간 선로?), 상 간의 계층적 상관성 분석을 통한 상 식별 방법
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(유재성 2019) Unit Root Test를 기반으로 한 장기 시계열 데이터의 Non-Stationary 발생에 따른 구조 변화 검정 및 시각화 연구, 정보처리학회 논문지
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구조 변화 검정 → 추세 변환 구간을 식별 → 상 식별 기법에 적용 for 효율적 계산
