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EnergiesThe capability of wind turbines (WTs) to provide frequency response is crucial for future power systems with high wind power penetration. Existing strategies primarily focus on mitigating initial and secondary frequency drop (SFD), often overlooking the ...
Yufei Han, Yibo Zhou, Kexin Li
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Adaptive Frequency Control Strategy for PMSG-Based Wind Turbines With Improved Rotor Speed Recovery
IEEE AccessIn modern power systems, the increasing penetration of renewable energy resources has reduced frequency stability. Consequently, wind turbines (WTs) are expected to participate in frequency regulation.
Duc-Tung Trinh +2 more
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Innovated Inertia Control of DFIG with Dynamic Rotor Speed Recovery
CSEE Journal of Power and Energy Systems, 2022 High wind power penetration (WPP) is challenging system frequency stability. As a countermeasure, virtual inertia controls are complemented to utilize kinetic energy (KE) stored in wind turbine generator (WTG) for frequency regulation. While without restoration, generation efficiency of WTG will be degraded after inertia contribution.
Huanjing Lao +3 more
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Innovative Inertial Response Imitation and Rotor Speed Recovery Control Scheme for a DFIG
Electronics (Switzerland), 2023 This paper proposes an innovative inertial response imitation (IRI) and rotor speed recovery (RSR) control scheme of a doubly-fed induction generator (DFIG, Type 3 wind turbine generator) to provide better frequency support response and RSR services for a high wind power penetrated electric power grid.
Jiejie Huang +2 more
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Zhongguo dianli, 2023 The doubly-fed induction generator (DFIG) can participate in the system frequency modulation by releasing the kinetic energy stored in the rotor, but it may cause a secondary frequency drop when the speed is recovered, which is adverse to the frequency ...
Jingjing ZHAO +4 more
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Flexible Frequency Response Strategy with Smooth Rotor Speed Recovery of a DFIG-Based Wind Turbine
Electronics (Switzerland), 2023 Grid frequency must be regulated in its nominal range to guarantee the stable operation of an electric power grid. Excessive grid frequency excursions result in load shedding, grid frequency instability, or even synchronous generator damage. With the growing wind penetration, there is an increasing issue about the reduction in inertia response.
Jiejie Huang +2 more
exaly +2 more sources
Simulation of the operating characteristics of an all-metal conical screw pump [PDF]
Scientific ReportsThe all-metal conical screw pump can achieve efficient lifting of fluids with different viscosities by adjusting the stator-rotor clearance fit. To investigate the operational characteristics of the all-metal conical screw pump under various fluid ...
Tong Wu +3 more
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Journal of Low Frequency Noise, Vibration and Active Control, 2020 In order to realize the rapid response control for turboshaft engine during the process of variable rotor speed, the linear quadratic Gaussian with loop transfer recovery (LQG/LTR) control method for turboshaft engine based on torsional vibration ...
Yong Wang +3 more
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ProcessesDriven by the demand for low-carbon and sustainable development, power systems are increasingly transitioning toward higher proportions of renewable energy and power-electronic interfaces, leading to a growing requirement for wind turbines to provide inertia support and frequency regulation (FR). Wind turbine kinetic energy-based FR inherently involves
Zhenzhou Zhao +2 more
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Cooperative Synthetic Inertia Control for Wind Farms Considering Frequency Regulation Capability
Frontiers in Energy Research, 2021 To fully utilize the frequency regulation (FR) capability of wind turbines (WTs) and to avoid a secondary frequency drop caused by the rotor speed recovery, this paper firstly proposes an FR capability evaluation method for wind farms based on the ...
Qiaoming Shi +6 more
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