Results 41 to 50 of about 22,692 (334)

Ancillary Services in Hybrid AC/DC Low Voltage Distribution Networks [PDF]

, 2019
In the last decade, distribution systems are experiencing a drastic transformation with the advent of new technologies. In fact, distribution networks are no longer passive systems, considering the current integration rates of new agents such as ...
Barragán Villarejo, Manuel, Demoulias, Charis, Gómez Expósito, Antonio, Mauricio Ferramola, Juan Manuel, Maza Ortega, José María   +4 more
core   +1 more source

Virtual synchronous generator based pole control in high-voltage DC transmission systems

Energy Reports, 2022
The use of renewable energy to realize decarbonization is rapidly increasing, and considerable research is being performed to achieve highly efficient high-voltage direct current (HVDC) transmission for offshore wind power generation over long distances.
Yuko Hirase, Tomoya Takeda, Kazuki Ohuchi   +2 more
doaj   +1 more source

Voltage-based droop control of renewables to avoid on-off oscillations caused by overvoltages [PDF]

, 2013
To achieve the environmental goals set by many governments, an increasing amount of renewable energy, often delivered by distributed-generation (DG) units, is injected into the electrical power system.
De Kooning, Jeroen, Meersman, Bart, Vandevelde, Lieven, Vandoorn, Tine   +3 more
core   +1 more source

Cybersecurity for Smart Inverters: State-of-the-Art Review

Pakistan Journal of Engineering & Technology
As renewable energy sources such as solar panels and wind turbines become more common, smart inverters are being deployed in power grids. Inverters are required to convert direct current (DC), produced from solar panels or wind turbines, into ...
Muhammad Irfan Habib
doaj   +1 more source

Supervisory Layer for Improved Interactivity of Distributed Generation Inverters with Smart Grids

Journal of Sensor and Actuator Networks, 2021
This work proposes an autonomous management system for distributed generation (DG) systems connected to the AC grid, using supervisory control theory (SCT).
Emerson Giovani Carati, Victor Emanuel Soares Barbosa, Rafael Cardoso, Carlos Marcelo de Oliveira Stein, Jean Patric da Costa   +4 more
doaj   +1 more source

Distributed control of reactive power flow in a radial distribution circuit with high photovoltaic penetration

, 2009
We show how distributed control of reactive power can serve to regulate voltage and minimize resistive losses in a distribution circuit that includes a significant level of photovoltaic (PV) generation.
Backhaus, Scott, Chertkov, Michael, Sulc, Petr, Turitsyn, Konstantin   +3 more
core   +1 more source

Optimizing Smart Inverter Control for Improved Distribution Network Hosting Capacity: A Model Predictive Control Approach

International Journal of Electrical Power & Energy Systems
In this work, we investigate Cos Φ and Q(U) control modes of smart inverters as outlined in EN 50549-standards, aiming to improve the hosting capacity (HC) of a real-world distribution network.
Muhammad Kamran Khan, Kimmo Kauhaniemi, Hussain Sarwar Khan   +2 more
openalex   +3 more sources

Power Quality Enhancement in Electricity Grids with Wind Energy Using Multicell Converters and Energy Storage [PDF]

, 2019
In recent years, the wind power industry is experiencing a rapid growth and more wind farms with larger size wind turbines are being connected to the power system.
Allali, Ahmed, Denai, Mouloud, Kaddour, Fouad, Khodja, Mohamed, Merabet Boulouiha , Houari, Rahiel, Djelloul   +5 more
core   +2 more sources

Introducing small storage capacity at residential PV installations to prevent overvoltages [PDF]

, 2011
Low voltage distribution feeders are designed for unidirectional energy supply from transformer to consumer. However, the implementation of small-scale PV production units on local utilities may result in bidirectional energy flows.
Cappelle, Jan, Debruyne, Colin, Desmet, Jan, Van Maerhem, Thomas, Vanalme, Johan, Verhelst, Bart, Vispoel, Stijn   +6 more
core   +1 more source

Optimal Dispatch of Residential Photovoltaic Inverters Under Forecasting Uncertainties

, 2014
Efforts to ensure reliable operation of existing low-voltage distribution systems with high photovoltaic (PV) generation have focused on the possibility of inverters providing ancillary services such as active power curtailment and reactive power ...
Dall'Anese, Emiliano, Dhople, Sairaj V., Giannakis, Georgios B., Johnson, Brian B.   +3 more
core   +1 more source