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Robust Thevenin Equivalent Parameter Estimation for Voltage Stability Assessment
IEEE Transactions on Power Systems, 2018This letter presents a robust approach to accurate estimation of Thevenin equivalent (TE) parameters using phasor measurement unit (PMU) data for online voltage stability assessment. The TE parameter estimation is formulated as a worst-case robust least squares problem to take PMU uncertainties into account. A second-order cone programming technique is
Heng-Yi
exaly +3 more sources
An Improvement Algorithm for Online Identification of Thevenin Equivalent Parameters
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES), 2021With the development of the power system, the operating state of the power system is becoming increasingly complex. The assumption of traditional Thevenin equivalent parameters tracking algorithm limited its effectiveness in fast-changing complex system, for which it cannot be applied to the system when the power grid suffers disturbances in the ...
Xinnan Chen, Yuan Sun, Rui Yin
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Detailed Modelling Procedure for Lithium-ion Battery Using Thevenin Equivalent
2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019This paper presents a comprehensive procedure for modelling of Lithium-ion batteries. The proposed modelling procedure adopts Thevenin equivalent circuit of both first and second orders in order to incorporate the dynamic characteristics of Li-ion batteries.
Lokesh Gurjer +2 more
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Electronics (Switzerland), 2022 The traditional black-box Thevenin equivalent method cannot analyze the influence mechanism of wind power integration on Thevenin equivalent parameters.
Ping Chang, Tengfei Zhang
exaly +2 more sources
Multi Area Thevenin Equivalent based Transient Stability Simulations in Shared Memory Paradigm
IEEE Power & Energy Society General Meeting, 2023Space parallelization of transient stability simulation involves breaking the network into subnetworks and solving each part independently while making sure of the convergence of the original network.
F. Joseph, G. Gurrala
semanticscholar +1 more source
A PMU-Based Method for On-Line Thévenin Equivalent Estimation
IEEE Transactions on Power Systems, 2022The paper proposes a technique for the on-line estimation of Thévenin equivalent (TE) which only needs the present phasor measurements. The technique is based on the wide-area measurements including voltage and current phasors of the system loads and ...
Pourya Abdi +3 more
semanticscholar +1 more source
Thévenin Equivalent Impedance Estimation for Power Electronic Devices in Smart Grids
International Symposium on Power Electronics, Electrical Drives, Automation and Motion, 2022Distributed generation (DG) based on renewable energy sources (RESs) as well as electric mobility and battery storage are currently penetrating electrical energy networks, especially at medium voltage (MV) and low voltage (LV) levels.
T. Premgamone +5 more
semanticscholar +1 more source
IEEE Transactions on Power Delivery, 2021
The real-time estimation of the AC power system equivalent parameters enables the grid-connected Voltage Source Converter (VSC) to achieve more effective stability control during a short-circuit fault.
Long Peng +6 more
semanticscholar +1 more source
The real-time estimation of the AC power system equivalent parameters enables the grid-connected Voltage Source Converter (VSC) to achieve more effective stability control during a short-circuit fault.
Long Peng +6 more
semanticscholar +1 more source
Applied Computational Electromagnetics Society, 2021
The traditional Thevenin equivalent Modular Multilevel Converter (MMC) model has poor versatility for the two working conditions of pre-charging and DC-side faults.
Jin Enshu +3 more
semanticscholar +1 more source
The traditional Thevenin equivalent Modular Multilevel Converter (MMC) model has poor versatility for the two working conditions of pre-charging and DC-side faults.
Jin Enshu +3 more
semanticscholar +1 more source
IEEE Transactions on Magnetics, 1996
The finite element method is a well-established technique in the analysis of electromagnetic fields. A theory of equivalent fields, analogous to equivalent circuits in network theory is developed. It extends diakoptic analysis and permits solution of two (or more) coupled boundary-value problems independently, representing their mutual coupling by ...
SANTINI, Ezio, P. P. Silvester
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The finite element method is a well-established technique in the analysis of electromagnetic fields. A theory of equivalent fields, analogous to equivalent circuits in network theory is developed. It extends diakoptic analysis and permits solution of two (or more) coupled boundary-value problems independently, representing their mutual coupling by ...
SANTINI, Ezio, P. P. Silvester
openaire +2 more sources