Results 31 to 40 of about 2,785,013 (297)

Power flow control scheme for multiport power electronics transformers

open access: yesHigh Voltage, 2018
Development of power electronics transformers (PETs) has made dc distribution and hybrid ac/dc systems a competitive solution for future network expansion.
Huaitian Zhang   +6 more
doaj   +1 more source

Optimized Power Flow Control to Minimize Congestion in a Modern Power System

open access: yesEnergies, 2023
The growing integration of renewable energy sources (RES) into the power system causes congestion to occur more frequently. In order to reduce congestion in the short term and to make the utilization of the power system more efficient in the long term ...
Max Bodenstein   +5 more
doaj   +1 more source

Convex Relaxation of Optimal Power Flow, Part II: Exactness [PDF]

open access: yes, 2014
This tutorial summarizes recent advances in the convex relaxation of the optimal power flow (OPF) problem, focusing on structural properties rather than algorithms. Part I presents two power flow models, formulates OPF and their relaxations in each model,
Low, Steven H.
core   +5 more sources

Convex Relaxation of Optimal Power Flow, Part I: Formulations and Equivalence [PDF]

open access: yes, 2014
This tutorial summarizes recent advances in the convex relaxation of the optimal power flow (OPF) problem, focusing on structural properties rather than algorithms. Part I presents two power flow models, formulates OPF and their relaxations in each model,
Low, Steven H.
core   +4 more sources

Power Flow Control in Multi-Terminal HVDC Grids Using a Serial-Parallel DC Power Flow Controller

open access: yesIEEE Access, 2018
Multi-terminal HVDC (MT-HVDC) grids have no capability of power flow control in a self-sufficient manner. To address this important issue, utilization of dc-dc high power and high-voltage converters is motivated. However, proposing suitable partial-rated
Kumars Rouzbehi   +2 more
doaj   +1 more source

Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

open access: yesEnergies, 2020
This paper discusses a structural property for a power system to continue a safe operation under power fluctuation caused by fluctuating power sources and loads.
Saher Javaid, Mineo Kaneko, Yasuo Tan
doaj   +1 more source

Power flow analysis and control of distributed FACTS devices in power system [PDF]

open access: yesArchives of Electrical Engineering, 2018
The deployment of a distributed power-flow controller (DPFC) in a single-machine infinite-bus power system with two parallel transmission lines are considered for the analysis in this paper.
Vikash Anan, Sanjeev Kumar Mallik
doaj   +1 more source

Distributed power flow controller

open access: yesInternational Journal of Electrical and Electronics Engineering, 2014
This paper presents the simulation results of Distributed Power Flow Controller model designed in MATLAB/SIMULINK. A simple two bus system is considered for simulation. Power flow between the two buses is obtained by providing a phase difference between the buses. DPFC consists of one shunt converter and six single phase series converters.
Nagab hushan, Manjunath G Kadashetti
openaire   +1 more source

Unified power flow controllers in smart power systems: models, methods, and future research

open access: yesIET Smart Grid, 2018
Power flow control has become increasingly important in recent years in the area of smart power systems that have to integrate increased shares of variable renewable energy sources.
Pavlos S. Georgilakis   +1 more
doaj   +1 more source

Joint Frequency Regulation and Economic Dispatch Using Limited Communication

open access: yes, 2018
We study the performance of a decentralized integral control scheme for joint power grid frequency regulation and economic dispatch. We show that by properly designing the controller gains, after a power flow perturbation, the control achieves near ...
Modiano, Eytan, Zhang, Jianan
core   +1 more source

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