Results 1 to 10 of about 216,940 (217)

Effects of Ramp Rate Limit on Sizing of Energy Storage Systems for PV, Wind and PV–Wind Power Plants

open access: yesEnergies, 2023
As the share of highly variable photovoltaic (PV) and wind power production increases, there is a growing need to smooth their fast power fluctuations.
Micke Talvi   +2 more
doaj   +1 more source

Charge Management of Electric Vehicles from Undesired Dynamics in Solar Photovoltaic Generation

open access: yesApplied Sciences, 2022
Power generation from photovoltaic solar systems contributes to mitigate the problem of climate change. However, the intermittency of solar radiation affects power quality and causes instability in power grids connected to these systems.
Ivania Aguirre   +6 more
doaj   +1 more source

Safe Operation Conditions of Electrical Power System Considering Power Balanceability among Power Generators, Loads, and Storage Devices

open access: yesEnergies, 2021
The introduction of an energy storage system plays a vital role in the integration of renewable energy by keeping a stable operation and enhancing the flexibility of the power flow system, especially for an islanding microgrid which is not tied to a grid
Saher Javaid, Mineo Kaneko, Yasuo Tan
doaj   +1 more source

Quantifying power and energy fluctuations of photovoltaic systems

open access: yesEnergy Science & Engineering, 2022
The high share of power generation based on fluctuating renewable energy sources, especially wind and solar, has increased the levels of variability and uncertainty in power systems.
Nailya Maitanova   +4 more
doaj   +1 more source

System Condition for Power Balancing between Fluctuating and Controllable Devices and Optimizing Storage Sizes

open access: yesEnergies, 2022
With the rapid development of distributed generators (DGs) and increasing power penetration level of renewable energy sources (RESs), it is a critical issue for any power system to operate safely and continuously in the presence of uncertainty and ...
Saher Javaid, Mineo Kaneko, Yasuo Tan
doaj   +1 more source

Study of Energy Compensation Techniques in Photovoltaic Solar Systems with the Use of Supercapacitors in Low-Voltage Networks

open access: yesEnergies, 2020
The power generated by photovoltaic solar systems is exposed to high variability of irradiance mainly due to weather conditions, which cause instability in the electrical networks connected to these systems. This study shows the typical behavior of solar
Luis Gerardo González   +4 more
doaj   +1 more source

The Effect of Electric Power Fluctuations on the Profitability and Competitiveness of SMEs: A Study of SMEs within the Accra Business District of Ghana [PDF]

open access: yesJournal of Competitiveness, 2014
The economy of Ghana has attained a middle-income status and is seeking to advance; hence, an analysis of the economy based on the supply chain management of energy is significant to provide the quantitative results and comprehensive information about ...
Doe Frederick, Asamoah Emmanuel Selase
doaj   +1 more source

Two-stage restoration strategies for power systems considering coordinated dispatch between plug-in electric vehicles and wind power units

open access: yesIET Smart Grid, 2019
With increased penetration of wind power units and plug-in electric vehicles (PEVs), their control flexibility and quick response potentially provide an alternative way to fulfil the need for rapid restoration.
Can Zhang   +6 more
doaj   +1 more source

A Bi-Level Control Strategy for PV-BES System Aiming at the Minimum Operation Cost of BES

open access: yesFrontiers in Energy Research, 2021
With the increased penetration of the photovoltaic (PV) energy, the power system stability problem becomes an issue, as the output power of PV plants has unpredictable fluctuations.
Yuchen Hao, Dawei Su, Zhen Lei
doaj   +1 more source

Short-Term Forecasting of Wake-Induced Fluctuations in Offshore Wind Farms

open access: yesEnergies, 2019
The increasing share of offshore wind energy traded at the spot market requires short term wind direction forecasts to determine wake losses and increased power fluctuations due to multiple wakes in certain wind directions.
Arslan Salim Dar, Lüder von Bremen
doaj   +1 more source

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