Novel meter placement algorithm for enhanced accuracy of distribution system state estimation

N Nusrat, M Irving, G Taylor - 2012 IEEE Power and Energy …, 2012 - ieeexplore.ieee.org
… The quality of performance of a state estimation tool depends on the accuracy of information
provided to it. The state estimator works by reducing the difference between the calculated …

A survey on state estimation techniques and challenges in smart distribution systems

K Dehghanpour, Z Wang, J Wang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… For instance, in [15], using active/reactive power data history, non-diagonal terms have
been added to the weight matrix to obtain better WLS accuracy, by modeling the existing …

An efficient and accurate solution for distribution system state estimation with multiarea architecture

M Pau, F Ponci, A Monti, S Sulis… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
… correlations existing among local state estimations was investigated and taken into account
for enhancing the accuracy performance of the algorithm. Finally, in [18], a new second step …

Review of emerging concepts in distribution system state estimation: Opportunities and challenges

AP Yadav, J Nutaro, B Park, J Dong, B Liu… - IEEE …, 2023 - ieeexplore.ieee.org
… SCADA data, leading to more accurate and reliable state estimation results. Furthermore, …
Wang, “A multi-timescale data-driven approach to enhance distribution system observability,…

Design and accuracy analysis of multilevel state estimation based on smart metering infrastructure

M Pau, E Patti, L Barbierato, A Estebsari… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
… the distribution system state estimation (DSSE), which is, thus, crucial to enable the intelligent
functions required for the control of future distribution … to the enhancement of the accuracy

Impact of PMUs on state estimation accuracy in active distribution grids with large PV penetration

D Macii, G Barchi, D Moser - … and Structural Monitoring Systems …, 2015 - ieeexplore.ieee.org
… conditions, the uncertainty affecting Distribution System State Estimation (DSSE) techniques
… , in order to better evaluate the impact of PMUs on state estimation accuracy, the elements …

A robust iterated extended Kalman filter for power system dynamic state estimation

J Zhao, M Netto, L Mili - IEEE transactions on power systems, 2016 - ieeexplore.ieee.org
… mean and covariance matrix of a random state vector, thus achieving better accuracy than
the EKF [7], [8]. An UKFbased DSE using a fourth-order generator model is proposed in [9] to …

Optimal micro-PMU placement for improving state estimation accuracy via mixed-integer semidefinite programming

Y Peng, Z Wu, W Gu, S Zhou… - … of Modern Power Systems …, 2022 - ieeexplore.ieee.org
… the state estimation accuracy in the distribution network with increasing penetration of
distributed … were considered, and the improved optimization solution method similar to [35] was …

A multilevel state estimation paradigm for smart grids

A Gomez-Exposito, A Abur… - Proceedings of the …, 2011 - ieeexplore.ieee.org
… diversity of applications rely on accurate system snapshots [2]. … In fact, SEs for distribution
systems were considered long … opens up new opportunities of enhancement for existing SEs. …

A new hybrid state estimation considering different accuracy levels of PMU and SCADA measurements

M Kabiri, N Amjady - IEEE Transactions on Instrumentation and …, 2018 - ieeexplore.ieee.org
… for distribution network SE as the measurement redundancy of distribution systems is usually
… proposed hybrid SE has better condition number, better accuracy, and better run time with …