Results 21 to 30 of about 200,324 (298)

Voltage Adjustment Strategy for High-Penetration Electric Vehicles Connected to Power Grid Based on Situation Awareness

open access: yesZhongguo dianli, 2023
Along with the increase of EVs use, the regional distribution network will experience nodal voltage overlimit problem after high penetration EVs are connected to the distribution network.
Zong LIU   +4 more
doaj   +1 more source

Voltage deviations influence on asynchronous characteristics of powerful asynchronized turbogenerator [PDF]

open access: yesEnergy engineering and control systems, 2020
The widespread applying of electrical grids with voltage classes 330 and 750 kV with powerful units of nuclear and heat power plants creates a set of problems with normal modes ensuring in the Ukrainian energy system. Due to sufficiently great transverse capacitance of such overhead lines, significant amounts of reactive power excess are possible in ...
Pokrovskyi, Kostiantyn, Muzychak, Andriy
openaire   +3 more sources

Controlling DC microgrids in communities, buildings and data centers

open access: yesIET Smart Grid, 2020
Microgrid technology is poised to transform the electricity industry. In the context of commercial/domestic buildings and data centers, where most loads are native direct current, DC microgrids are in fact a natural choice.
Ramachandra Rao Kolluri   +4 more
doaj   +1 more source

A Novel Hybrid Optimization-Based Algorithm for the Single and Multi-Objective Achievement With Optimal DG Allocations in Distribution Networks

open access: yesIEEE Access, 2022
Distribution networks are facing new challenges with the emergence of smart grids, such as capacity limitations, voltage instability, and many others. These challenges can potentially lead to brownouts and blackouts.
Muhammad Imran Akbar   +5 more
doaj   +1 more source

Three-level control strategy for minimizing voltage deviation and flicker in PV-rich distribution systems

open access: yes, 2022
Supplementary data to this article can be found online at https://doi.org/10.1016/j.ijepes.2020.105997Voltage deviation (VD) and voltage flicker (VF) are considered common operational problems associated with high photovoltaic (PV) penetrated ...
Mahmoud, Karar, Lehtonen, Matti
core   +1 more source

Study on Influence of Voltage Deviation on Loss of Low Voltage Distribution Network

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
Abstract Voltage deviation is one of the important power quality problems. Studying its impact on the power loss of low voltage distribution network is of great significance for the development of loss reduction measures and the realization of economic operation of power grid.
Zuquan Liang   +4 more
openaire   +1 more source

Solving Single- and Multi-Objective Optimal Reactive Power Dispatch Problems Using an Improved Salp Swarm Algorithm

open access: yesEnergies, 2021
The optimal reactive power dispatch (ORPD) problem represents a fundamental concern in the efficient and reliable operation of power systems, based on the proper coordination of numerous devices.
Andrei M. Tudose   +3 more
doaj   +1 more source

Comparison of total voltage deviation in different cases.

open access: yes, 2021
Comparison of total voltage deviation in different cases.
Yong Zheng (420246)   +5 more
core   +1 more source

OBPSO Kullanılarak Dağıtık Güneş Enerji Sistemlerinin Optimum Bağlantı Gücü ve Yerinin Belirlenmesi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2022
Bu çalışmada, dağıtık üretim (DÜ) sistemlerinin optimum şebeke entegrasyonu probleminin çözümü için zıtlık tabanlı parçacık sürü optimizasyonu (OBPSO) kullanımı önerilmektedir.
Cenk Yavuz, Mehmet Çeçen
doaj   +1 more source

Maximum power point tracking scheme with partial shading detection for two-stage grid-connected photovoltaic inverters

open access: yesThe Journal of Engineering, 2019
This paper proposes a maximum power point tracking (MPPT) method with partial shading (PS) detection based on modified PI incremental conductance (IC) for photovoltaic inverters.
Lei Huang   +4 more
doaj   +1 more source

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