Results 11 to 20 of about 5,034,224 (335)

Reactive Power Flow Control for PV Inverters Voltage Support in LV Distribution Networks

open access: yesIEEE Transactions on Smart Grid, 2017
This paper proposes a reactive power flow control pursuing the active integration of photovoltaic systems in LV distribution networks. An alternative power flow analysis is performed according to the specific characteristics of LV networks, such as high ...
Á. Molina-García   +5 more
semanticscholar   +3 more sources

Power Flow Control in Multi-Terminal HVDC Grids Using a Serial-Parallel DC Power Flow Controller

open access: yesIEEE Access, 2018
Multi-terminal HVDC (MT-HVDC) grids have no capability of power flow control in a self-sufficient manner. To address this important issue, utilization of dc-dc high power and high-voltage converters is motivated. However, proposing suitable partial-rated
Kumars Rouzbehi   +2 more
doaj   +2 more sources

Impacts of Variable-Impedance-Based Power Flow Control on Renewable Energy Integration [PDF]

open access: yesEnergy, 2022
The electric power grid has evolved significantly over the past two decades in response to climate change. Increased levels of renewable energy generation, as a prominent feature of this evolution, have led to new congestion patterns in the transmission ...
Omid Mirzapour, M. Sahraei-Ardakani
semanticscholar   +1 more source

Deep Reinforcement Learning-Based Approach for Autonomous Power Flow Control Using Only Topology Changes

open access: yesEnergies, 2022
With the increasing complexity of power system structures and the increasing penetration of renewable energy, driven primarily by the need for decarbonization, power system operation and control become challenging.
Ivana Damjanovic   +3 more
semanticscholar   +1 more source

Overview of research on power flow calculation with droop control [PDF]

open access: yes电力工程技术, 2022
The access to droop-controlled components makes the operation of the power system more complicated,and also brings new challenges to the power system analysis.
YI Wenfei, BU Qiangsheng
doaj   +1 more source

Numerical study of the switching mechanism of a jet valve using the meshless method

open access: yesAdvances in Mechanical Engineering, 2021
This study numerically investigates fluid dynamics of a jet flow at supersonic speed. The meshless method and the overlapping point cloud method are used to handle the moving boundary problems.
Jun Zhang   +4 more
doaj   +1 more source

Numerical Study on the Power Efficiency and Flow Characteristics of a New Type of Wind Energy Collection Device

open access: yesApplied Sciences, 2020
The increased velocity (Invelox) wind turbine system is a novel wind energy collection device. This system can collect and accelerate the air flow through a funnel and a Venturi tube.
Li Ding, Tongqing Guo
doaj   +1 more source

Thermo-economic Analysis on Four Regulation Schemes with Different Flexibilities for Primary Frequency Regulation Control in a Coal-Fired Power Plant

open access: yesZhongguo dianli, 2019
Achieving high operational efficiency and flexibility of coal-fired power plants is an effective way to improve the security of power grids. In this study, the dynamic model of a 660 MW supercritical coal-fired power plant is developed via the GSE ...
Tao LUN   +5 more
doaj   +1 more source

Review on application of flexible power flow control technology

open access: yes电力工程技术, 2023
Unified power flow controller (UPFC), static synchronous series compensator (SSSC), thyristor controlled series compensation (TCSC) and phase shifter (PST) can be able to adjust line parameters and flexibly control power flow.
LI Qun   +4 more
doaj   +1 more source

Numerical simulation of turbulent duct flows with constant power input [PDF]

open access: yes, 2014
The numerical simulation of a flow through a duct requires an externally specified forcing that makes the fluid flow against viscous friction. To this aim, it is customary to enforce a constant value for either the flow rate (CFR) or the pressure ...
Frohnapfel, Bettina   +2 more
core   +2 more sources

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