Results 21 to 30 of about 167,755,701 (294)

A classical control approach to the power management of an all-electric hybrid vehicle. [PDF]

open access: yes, 2009
Modern hybrid electric vehicles (HEVs) often employ all-electric powertrains that utilise hybrid sources of power and energy; such as batteries, fuel cells and ultracapacitors.
Marco, James, Vaughan, Nicholas D.
core   +1 more source

Increase of Accuracy of the Fault Location Methods for Overhead Electrical Power Lines

open access: yesAdvances in Materials Science and Engineering, 2018
The high-voltage power lines are quite often damaged parts of the energy system. Line outage is always accompanied by undersupply of energy and decrease of reliability, cost, and quality of electric supply.
Vladimir Lebedev   +2 more
doaj   +1 more source

Fault ride through strategy of DFIG using rotor voltage direct compensation control under voltage phase angle jump

open access: yesCSEE Journal of Power and Energy Systems, 2019
Wind power has developed rapidly in recent years, and large-scale wind power facilities connected to power grids will bring many new challenges. Some new operation characteristics of power grids with doubly-fed induction generator (DFIG) may exhibit, for
Xinshou Tian   +5 more
doaj   +1 more source

A Two-Stage Distributionally Robust Optimization Model for Wind Farms and Storage Units Jointly Operated Power Systems

open access: yesIEEE Access, 2021
To explore the benefit of energy storage for countering high-level wind power fluctuations, a two-stage distributionally robust optimization model is proposed for wind farms and storage units (SUs) jointly operated power systems. First, the 1-norm and $\
Panpan Li   +6 more
doaj   +1 more source

Integrated control strategy for smooth switching of the PV and battery-storage micro-grid based on operation state tracking

open access: yesThe Journal of Engineering, 2018
Micro-grid which connects with the main grid can operate under the grid-connected mode or the islands mode. During the switching process between the two operation modes, if the control strategy is not complete, there will be problems such as the AC bus ...
Li Yang   +4 more
doaj   +1 more source

Power oscillation coordination damping control strategy of DFIG for fault ride through after clearing the fault

open access: yesThe Journal of Engineering, 2019
Wind turbines should have fault ride through capability, and also it can provide damping for the power grid by improving the control strategy. However, the currently corresponding control strategy is designed independent for the fault voltage through ...
Haiyan Tang   +3 more
doaj   +1 more source

Study on characteristics of wind power transmission system with series compensation

open access: yesThe Journal of Engineering, 2019
Renewable energy develops very fast in China, and China has become the largest and fastest growing country of wind and PV power in the world. However, the distribution of the wind/solar energy and load center is disharmonious, with the major wind fields ...
Yan Li   +3 more
doaj   +1 more source

Review of Energy Storage Configuration Technology on Renewable Energy Side

open access: yesZhongguo dianli, 2022
Building a new power system with renewable energy as the main body is an important responsibility and mission of the energy and power industry to serve carbon peak and carbon neutrality.
Xiangjun LI, Huimeng MA, Qian JIANG
doaj   +1 more source

Simulation-based optimization framework to increase distribution system photovoltaic hosting capacity through optimal settings of smart inverter Volt-VAr control function

open access: yes, 2023
Smart inverter functionalities can enable higher penetration levels of inverter-based distributed energy resources. The smart inverter voltage-reactive power (Volt-VAr) control function adjusts the injection and/or absorption of reactive power as a ...
Franco, John F. [UNESP]   +3 more
core   +1 more source

Measurement-based solution for low frequency oscillation analysis

open access: yesJournal of Modern Power Systems and Clean Energy, 2016
This paper presents a measurement-based solution for low frequency oscillation (LFO) analysis in both real time monitoring and off-line case study. An online LFO property discrimination method is developed first, which alternately uses empirical mode ...
Chen Shen   +4 more
doaj   +1 more source

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