Results 81 to 90 of about 985,505 (212)

Congestion avoidance for recharging electric vehicles using smoothed particle hydrodynamics [PDF]

open access: yes, 2015
In this paper, a novel approach for recharging electric vehicles (EVs) is proposed based on managing multiple discrete units of electric power flow, named energy demand particles (EDPs).
Barria, JA, Hamid, QR
core   +1 more source

Strategy of Wind-Storage Combined System Participating in Power System Secondary Frequency Regulation Based on Model Predictive Control

open access: yesShanghai Jiaotong Daxue xuebao
With the increasing penetration of wind power in power grids, it is necessary for wind storage joint farms to participate in power grid frequency modulation to maintain frequency stability of the power grid. By analyzing the mechanical characteristics of
LIU Chuanbin, JIAO Wenshu, WU Qiuwei, CHEN Jian, ZHOU Qian
doaj   +1 more source

Multi-Source Coordinated Control and Parameter Optimization Methods for Frequency Stability in High-Proportion New Energy Sending-End Systems [PDF]

open access: yesDianli jianshe
[Objective] Constructing renewable energy transmission systems is a key approach for addressing the uneven spatial distribution of resources. However, integrating a high proportion of renewable energy poses significant challenges to the frequency ...
JIANG Minghua, LI Ding, KONG Dezhen, WANG Zhuxiu, BAI Ningning, LI Zhongwen
doaj   +1 more source

Coordinated control of rotor kinetic energy and pitch angle for large‐scale doubly fed induction generators participating in system primary frequency regulation

open access: yesIET Renewable Power Generation, 2021
This paper presents a control strategy of large‐scale wind‐thermal power joint primary frequency regulation. First, an integrated control strategy is established rotor kinetic energy control and pitch angle control for wind turbine generators ...
Peihong Yang   +8 more
doaj   +1 more source

Inertia and Droop Frequency Control Strategy of Doubly-Fed Induction Generator Based on Rotor Kinetic Energy and Supercapacitor

open access: yesEnergies, 2020
The large-scale application of wind power eases the shortage of conventional energy, but it also brings great hidden danger to the stability and security of the power grid because wind power has no ability for frequency regulation.
Xiangwu Yan, Xuewei Sun
doaj   +1 more source

Providing power reserve for secondary grid frequency regulation of offshore wind farms through yaw control

open access: yesWind Energy, 2023
The ability to significantly contribute to the frequency regulation and provide valuable ancillary services to the transmission system operator (TSO) is one of the present wind farm (WF) challenges, due to the limitations of wind speed forecasting and ...
Younes Oudich   +3 more
doaj   +1 more source

Requirements to Testing of Power System Services Provided by DER Units [PDF]

open access: yes, 2011
The present report forms the Project Deliverable ‘D 2.2’ of the DERlab NoE project, supported by the EC under Contract No. SES6-CT-518299 NoE DERlab.
Crolla, Paul   +2 more
core  

Joint Frequency Regulation and Economic Dispatch Using Limited Communication

open access: yes, 2018
We study the performance of a decentralized integral control scheme for joint power grid frequency regulation and economic dispatch. We show that by properly designing the controller gains, after a power flow perturbation, the control achieves near ...
Modiano, Eytan, Zhang, Jianan
core   +1 more source

Active Frequency Support Control Strategy for Wind Farm Considering the Energy Discrepancy of Wind Turbines [PDF]

open access: yesDianli jianshe
[Objective] Wind turbine generators generally operate in maximum power point tracking (MPPT) mode and do not provide inertial response and frequency support to the power grid.
LI Fengneng, YANG Ping, WEI Zhichu, CHEN Wenhao, ZHOU Qianyufan, WAN Siyang
doaj   +1 more source

Hydro/Battery Hybrid Systems for frequency regulation [PDF]

open access: yes, 2019
An innovative Hydro/Battery Hybrid System (HBHS), composed of a hydropower plant (HPP) and a Battery Energy Storage System (BESS) is proposed to provide frequency regulation services in the Nordic Power System (NPS).
Laban, Danilo
core   +1 more source

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