Energies, 2013 This paper proposes a vector-controlled distributed generator (DG) model for a power flow based on a three-phase current injection method (TCIM). In order to represent the DG models in the power flow, steady-state phase current output equations are ...
Seon-Ju Ahn +2 more
doaj +1 more source
A Practical Model and an Optimal Controller for Variable Speed Wind Turbine Permanent Magnet Synchronous Generator [PDF]
, 2017 The aim of this paper is the complete modeling and simulation of an optimal control system using practical setup parameters for a wind energy conversion system (WECS) through a direct driven permanent magnet synchronous generator (D-PMSG) feeding ac ...
Cossar, Calum +2 more
core +1 more source
System deployment and decentralized control of islanded AC microgrids without communication facility
Journal of Modern Power Systems and Clean Energy, 2019 This paper proposes a novel system deployment principle for master/slave type islanded alternating current (AC) microgrids, with which decentralized control can be achieved without communications.
Baoquan Liu
doaj +1 more source
Optimization of power flow by using Hamiltonian technique
Energy Reports, 2020 This paper presents the solution of optimal power flow using the Hamiltonian optimization technique. The proposed Hamiltonian technique is employed for power loss optimization which is very critical issue in optimal power flow.
Hafiz Tehzeeb-Ul-Hassan +5 more
doaj +1 more source
PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags [PDF]
, 2018 This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright.
Camacho Santiago, Antonio +4 more
core +2 more sources
Inexact Convex Relaxations for AC Optimal Power Flow: Towards AC Feasibility
, 2020 Convex relaxations of AC optimal power flow (AC-OPF) problems have attracted significant interest as in several instances they provably yield the global optimum to the original non-convex problem.
Chatzivasileiadis, Spyros +2 more
core +1 more source
Full- & Reduced-Order State-Space Modeling of Wind Turbine Systems with Permanent-Magnet Synchronous Generator [PDF]
, 2018 Wind energy is an integral part of nowadays energy supply and one of the fastest growing sources of electricity in the world today. Accurate models for wind energy conversion systems (WECSs) are of key interest for the analysis and control design of ...
Hackl, Christoph M. +4 more
core +3 more sources
Energies, 2022 In present electrical power systems, wind energy conversion systems based on doubly fed induction generators represent one of the most commonly accepted systems in the global market due to their excellent performance under different power system ...
Aftab Ahmed Ansari, Giribabu Dyanamina
doaj +1 more source
GECM-Based Voltage Stability Assessment Using Wide-Area Synchrophasors
Energies, 2017 Voltage instability is a crucial issue in the secure operation of power grids. Several methods for voltage stability assessment were presented. Some of them are highly computationally intensive, while others are reported not to work properly under all ...
Heng-Yi Su, Tzu-Yi Liu
doaj +1 more source
Coordinated Control of Wind Energy Conversion System during Unsymmetrical Fault at Grid
Energies, 2022 High penetration of wind power into the grid necessitates the coordinated action of wind energy conversion systems and the grid. A suitable generation control is required to fulfill the grid integration requirements, especially during faults.
Hemant Ahuja +4 more
doaj +1 more source