Results 271 to 280 of about 9,973,806 (349)
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Achieving outstanding temperature and frequency stability in NaNbO3 modified (Ba0.94Li0.02La0.04)(Mg0.04Ti0.96)O3 pulse energy storage ceramics

Journal of Materials Chemistry A, 2023
A novel binary pulse energy-storage ceramics of the (1-x)(Ba0.94Li0.02La0.04)(Mg0.04Ti0.96)O3-xNaNbO3 system were designed and prepared utilizing solid-state reaction route and filming technology.
Gui Yan   +8 more
semanticscholar   +1 more source

Frequency Stability Constrained Microgrid Scheduling Considering Seamless Islanding

IEEE Transactions on Power Systems, 2021
The frequency stability of microgrids is of paramount importance due to their low inertia and high share of renewable energy sources. In this paper, a frequency stability-constrained microgrid scheduling (FSC-MS) model is developed based on a time ...
M. Javadi, Yuzhong Gong, C. Chung
semanticscholar   +1 more source

A new synthetic inertia system based on electric vehicles to support the frequency stability of low-inertia modern power grids

, 2021
The increasing share of renewables into modern power systems has resulted in lower levels of existing rotational inertia accompanied by conventional generation units.
G. Magdy, H. Ali, Dianguo Xu
semanticscholar   +1 more source

Maser Frequency Stability

13th Annual Symposium on Frequency Control, 1959
The frequency stability of an ammonia maser is ordinarily quite high for per iods of a few minutes. However, to preserve this stability for long periods of t ime hours and days requi res ra ther carefu l cont ro l of the pa rame te r s of the system which affect the frequency in par t icular the pressure, focuser voltage and cavity temperature. We have
J.S. Barnes, R. Mockler
openaire   +1 more source

Frequency Stability Constrained BESS Sizing Model for Microgrids

IEEE Transactions on Power Systems
The grid integration of renewable energy sources necessitates using energy storage systems (ESSs) to provide more flexibility and controllability. This article proposes a frequency stability-constrained battery energy storage system (BESS) sizing model ...
M. Javadi, Yuzhong Gong, C. Y. Chung
semanticscholar   +1 more source

Novel DQN optimised tilt fuzzy cascade controller for frequency stability of a tidal energy-based AC microgrid

International Journal of Ambient Energy, 2020
The research paper addresses a robust tilt fuzzy cascade (TDF(1+TI)) controller for frequency regulation of an islanded AC microgrid under different uncertainties.
P. Sahu   +3 more
semanticscholar   +1 more source

Analysis and Control of Frequency Stability in Low-Inertia Power Systems: A Review

IEEE/CAA Journal of Automatica Sinica
Power electronic-interfaced renewable energy sources (RES) exhibit lower inertia compared to traditional synchronous generators. The large-scale integration of RES has led to a significant reduction in system inertia, posing significant challenges for ...
Chang-Feng He   +3 more
semanticscholar   +1 more source

Frequency Stability Constrained Optimal Power Flow Incorporating Differential Algebraic Equations of Governor Dynamics

IEEE Transactions on Power Systems, 2020
Frequency dynamics during primary frequency control is closely related to pre-disturbance operating conditions, the disturbance, and equipment characteristics.
Xiaohui Zhao   +4 more
semanticscholar   +1 more source

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