A survey on hybrid scada/wams state estimation methodologies in electric power transmission systems

O Darmis, G Korres - Energies, 2023 - mdpi.com
State estimation (SE) is an essential tool of energy management systems (EMS), providing
power system operators with an overall grasp of the actual power system operating …

A hybrid state estimator for systems with limited number of PMUs

M Göl, A Abur - IEEE Transactions on Power Systems, 2014 - ieeexplore.ieee.org
This paper is concerned about effective incorporation of a limited number of phasor
measurement unit (PMU) measurements into the state estimation solution in order to …

Performance assessment of linear state estimators using synchrophasor measurements

S Sarri, L Zanni, M Popovic… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
This paper aims to assess the performance of linear state estimation (SE) processes of
power systems relying on synchrophasor measurements. The performance assessment is …

Fusion of multirate measurements for nonlinear dynamic state estimation of the power systems

M Ghosal, V Rao - IEEE Transactions on Smart Grid, 2017 - ieeexplore.ieee.org
With the increasing availability of sensors, power system dynamic state estimation (PSDSE)
is going to play a critical role in the reliable and efficient operation of power systems. The …

A fast state estimator for systems including limited number of PMUs

T Wu, CY Chung, I Kamwa - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
This paper presents a fast state estimator and a corresponding bad data (BD) processing
architecture aimed at improving computational efficiency and maintaining high estimation …

Smart power grid synchronization with fault tolerant nonlinear estimation

X Wang, EE Yaz - IEEE Transactions on Power Systems, 2016 - ieeexplore.ieee.org
Effective real-time state estimation is essential for smart grid synchronization, as electricity
demand continues to grow, and renewable energy resources increase their penetration into …

A hybrid power system state estimator using synchronized and unsynchronized sensors

NM Manousakis, GN Korres - International Transactions on …, 2018 - Wiley Online Library
This paper presents a hybrid state estimator based on measured data delivered by
unsynchronized and synchronized sensors, taking into account their different refresh rates …

Dynamic state estimation of power systems with quantization effects: A recursive filter approach

L Hu, Z Wang, X Liu - IEEE Transactions on Neural Networks …, 2015 - ieeexplore.ieee.org
In this paper, a recursive filter algorithm is developed to deal with the state estimation
problem for power systems with quantized nonlinear measurements. The measurements …

State estimation using SCADA and PMU measurements for networks containing classic HVDC links

GI Karvelis, GN Korres, OA Darmis - Electric Power Systems Research, 2022 - Elsevier
This paper proposes a hybrid state estimation (HSE) algorithm which employs conventional
measurements received from supervisory control and data acquisition (SCADA) system and …

Calculating Global Minimum Points to Binary Polynomial Optimization Problem: Optimizing the Optimal PMU Localization Problem as a Case-Study

NP Theodorakatos, AP Moschoudis… - Journal of Physics …, 2024 - iopscience.iop.org
State estimation (SE) is an algorithmic function of an energy management system (EMS). SE
provides an actual-time monitoring and control of modern electrical power grids. State …