Results 21 to 30 of about 236,652 (295)

Local Control of Reactive Power by Distributed Photovoltaic Generators [PDF]

, 2010
High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may severely degrade power quality due to voltage sags and swells caused by rapidly varying PV generation during cloud transients coupled with the ...
Backhaus, Scott, Chertkov, Misha, Sulc, Petr, Turitsyn, Konstantin S.   +3 more
core   +1 more source

Optimization-Based Islanding of Power Networks Using Piecewise Linear AC Power Flow [PDF]

, 2013
In this paper, a flexible optimization-based framework for intentional islanding is presented. The decision is made of which transmission lines to switch in order to split the network while minimizing disruption, the amount of load shed, or grouping ...
Bukhsh, W.A., Grothey, A., McKinnon, K.I.M, Trodden, P.A.   +3 more
core   +4 more sources

An Optimal and Distributed Method for Voltage Regulation in Power Distribution Systems [PDF]

, 2015
This paper addresses the problem of voltage regulation in power distribution networks with deep-penetration of distributed energy resources, e.g., renewable-based generation, and storage-capable loads such as plug-in hybrid electric vehicles. We cast the
Dominguez-Garcia, Alejandro, Lam, Albert Y. S., Tse, David, Zhang, Baosen   +3 more
core   +2 more sources

Methods of Simulated Annealing and Particle Swarm Applied to the Optimization of Reactive Power Flow in Electric Power Systems

Advances in Electrical and Computer Engineering, 2018
Electric power system is characterized by relatively high demand for lagging reactive power. From the economic viewpoint, reactive power sources should be installed close to its demand.
PIJARSKI, P., KACEJKO, P.
doaj   +1 more source

Multi-cycle reactive voltage rolling optimization control method supporting photovoltaic absorption of regional grid

Energy Reports, 2021
To achieve reactive voltage control and resolve the problem of photovoltaic in regional grids with high-proportion photovoltaic access, a multi-cycle reactive voltage rolling optimization control method supporting photovoltaic absorption was proposed ...
Haozhe Chen, Tianhua Chen, Hui Peng, Xiaochun Xu, Xin Shan, Xian Zhang   +5 more
doaj   +1 more source

Reactive power and voltage control in grid-connected wind farms: an online optimization based fast model predictive control approach [PDF]

, 2015
This paper presents the application of an online optimization based fast model predictive control scheme to grid-connected wind farms for reactive power and voltage control. A linear prediction model of the network was used to predict the behavior of the
A Ahmidi, AA Abou El Ela, AA Abou El-Ela, AE Yildirim, AQH Badar, D Devaraj, E John, E Nasr Azadani, EF Camacho, F Rameshkhah, G Valverde, Hafiz Ahmed, JA Lopes, K Vaisakh, M Afkousi-Paqaleh, M Alamir, M Alamir, M Glavic, M Larsson, MH Moradi, O Abedinia, P Chakraborty, P Cortés, R Hooshmand, RA Hooshmand, S Boyd, S Chun-Lien, S Kouro, SA Attia, T Geyer, T Marina, X Lei, Y Wang, Y Zong   +33 more
core   +1 more source

Reactive Power Optimization for Distribution Network Based on Distributed Random Gradient-Free Algorithm

Energies, 2018
The increasing penetration of distributed energy resources in distribution systems has brought a number of network management and operational challenges; reactive power variation has been identified as one of the dominant effects.
Jun Xie, Chunxiang Liang, Yichen Xiao
doaj   +1 more source

PowerModels.jl: An Open-Source Framework for Exploring Power Flow Formulations

, 2018
In recent years, the power system research community has seen an explosion of novel methods for formulating and solving power network optimization problems.
Bent, Russell, Coffrin, Carleton, Lubin, Miles, Ng, Yeesian, Sundar, Kaarthik   +4 more
core   +1 more source

A Bi-Level Reactive Power Optimization for Wind Clusters Integrating the Power Grid While Considering the Reactive Capability

Energies
With the integration of large-scale wind power clusters into the power system, wind farms play a crucial role in grid reactive power regulation. However, the range of its reactive power remains uncertain, posing challenges in formulating a viable program
Xiping Ma, Wenxi Zhen, Rui Xu, Xiaoyang Dong, Yaxin Li   +4 more
doaj   +1 more source

Dynamic reactive power optimization of distribution network with distributed generation based on fuzzy time clustering

IET Generation, Transmission & Distribution, 2022
In order to solve the coordinated optimization problem of distributed generation (DG), on‐load tap changer (OLTC) and capacitor banks, a dynamic reactive power optimization (DRPO) method based on fuzzy time clustering is proposed.
Yuqi Ji, Xuehan Chen, Tao Wang, Ping He, Nan Jin, Congshan Li, Yukun Tao   +6 more
doaj   +1 more source