A Two-Step Distribution System State Estimator with Grid Constraints and Mixed Measurements

Reference

M. Picallo, A. Anta, B. De Schutter, and A. Panosyan, "A two-step distribution system state estimator with grid constraints and mixed measurements," Proceedings of the 20th Power Systems Computation Conference, Dublin, Ireland, 7 pp., June 2018.

Abstract

In this paper we consider the problem of State Estimation (SE) in large-scale, 3-phase coupled, unbalanced distribution systems. More specifically, we address the problem of including mixed real-time measurements, synchronized and unsynchronized, from phasor measurement units and smart meters, into existing SE solutions. We propose a computationally efficient two-step method to update a prior solution using the measurements, while taking into account physical constraints caused by zero-injection buses. We test the method on a benchmark test feeder and show the effectiveness of the approach.

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BibTeX

@inproceedings{PicAnt:18-006,
   author    = {Picallo, Miguel and Anta, Adolfo and De Schutter, Bart and
                Panosyan, Ara},
   title     = {A Two-Step Distribution System State Estimator with Grid
                Constraints and Mixed Measurements},
   booktitle = {Proceedings of the 20th Power Systems Computation Conference},
   address   = {Dublin, Ireland},
   month     = jun,
   year      = {2018}
   }


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