期刊
IEEE TRANSACTIONS ON SMART GRID
卷 12, 期 4, 页码 3605-3612出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2021.3061392
关键词
Topology; Network topology; Impedance; Voltage measurement; Admittance; Visualization; Correlation; Topology; phase; PMU; synchrophasor; distribution networks; radial; tree; noise
资金
- NSF [1840083, TSG-01192-2020]
- Direct For Computer & Info Scie & Enginr [1840083] Funding Source: National Science Foundation
- Division Of Computer and Network Systems [1840083] Funding Source: National Science Foundation
The study introduces a new method for joint phase identification and topology recovery in unbalanced three phase radial networks using only voltage measurements. By recovering phases and topology jointly, the method can handle a variety of networks, providing a foundation for future research.
We present a method for joint phase identification and topology recovery in unbalanced three phase radial networks using only voltage measurements. By recovering phases and topology jointly, we utilize all three phase voltage measurements and can handle networks where some buses have a subset of three phases. Our method is theoretically justified by a novel linearized formulation of unbalanced three phase power flow and makes precisely defined and reasonable assumptions on line impedances and load statistics. We validate our method on three IEEE test networks simulated under realistic conditions in OpenDSS, comparing our performance to the state of the art. In addition to providing a new method for phase and topology recovery, our intuitively structured linearized model will provide a foundation for future work in this and other applications.
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