Results 1 to 10 of about 17,568 (98)

Oscillation Suppression in the Sense Mode of a High-Q MEMS Gyroscope Using a Simplified Closed-Loop Control Method [PDF]

open access: yesSensors, 2018
The oscillation of the sense mode of the micro-machined Coriolis vibratory gyroscope (MCVG) with high quality factor (Q) is analyzed in this study and the corresponding force feedback control scheme is presented to suppress this oscillation.
Qiang Shen   +3 more
doaj   +2 more sources

Adaptive Oscillation Suppression Strategy for Wind Farms Based on Windowed FFT

open access: yesZhongguo dianli, 2022
Regarding the oscillation phenomenon in large-scale wind power transmission systems, the existing suppression strategies can hardly quickly and effectively suppress the oscillation when the oscillation frequency changes. To solve this problem, this paper
Shuo MIAO   +5 more
doaj   +1 more source

DC-link oscillation suppression method based on q-axis voltage compensation of a 180 kW PMSM traction system for urban rail transit

open access: yesEnergy Reports, 2023
Under certain working conditions, the permanent magnet synchronous motor (PMSM) traction system of urban rail transit shows negative impedance characteristics, which is easy to cause voltage resonance of DC-link and lead to instability of the system.
Ruifeng Zhang   +3 more
doaj   +1 more source

Self-sustained oscillations with delayed velocity feedback [PDF]

open access: yesPapers in Physics, 2017
We study a model for a nonlinear mechanical oscillator, relevant to the dynamics of micro- and nanomechanical time-keeping devices, where periodic motion is sustained by a feedback force proportional to the oscillation velocity.
Damián H. Zanette
doaj   +1 more source

Research on Low-Frequency Oscillation Damping Control of Wind Storage System Based on Pareto and Improved Particle Swarm Algorithm

open access: yesApplied Sciences, 2023
Aiming at the low-frequency oscillation problem of high-proportion wind power and energy storage connected to the power system, this paper establishes a system small signal model according to the matrix similarity theory, which lays a foundation for the ...
Yu Song, Shouyuan Wu
doaj   +1 more source

Research on Oscillation Suppression Methods in Shunt Active Power Filter System

open access: yesEnergies, 2022
The shunt active power filter (SAPF) system oscillation is a massive threat to the security and stability of the power grid. This study classifies SAPF oscillation into two categories according to the difference in mechanisms. The SAPF oscillation in one
Rui Hou   +3 more
doaj   +1 more source

Stability Analysis and Oscillation Suppression Control in Open Loop Control of Induction Motor

open access: yesKongzhi Yu Xinxi Jishu, 2023
Under light-load and low-speed conditions, the V/F open-loop control of induction motors triggers continuous oscillation, causing motor speed fluctuations, loss of control, and even motor overcurrent, potentially causing damage to the power module in ...
ZHOU Zhiyu, JIANG Haixiao, ZHANG Shaoyun
doaj   +3 more sources

Multi-Disturbance Factors Analysis and Suppression Strategy of Sub-Synchronous Oscillation on DFIG Grid-Side Converter

open access: yesIEEE Access, 2023
This paper focuses on the power grid oscillation of grid-side converter (GSC) in doubly-fed induction generator (DFIG) caused by grid sub-synchronous oscillation (SSO), and designs a measure to improve the output power quality of GSC.
Dongyang Sun   +5 more
doaj   +1 more source

Rapid Power Compensation-Based VSC-HVDC Control Strategy for Low-Frequency Oscillation Suppression of the Island Power System

open access: yesFrontiers in Energy Research, 2021
Owing to the increased proportion of new energy power generation, such as wind power and photovoltaics, connected to the island grid, the system powered by the voltage source converter-based HVDC (VSC-HVDC) is prone to oscillate or even lose stability ...
Haipeng Lv   +3 more
doaj   +1 more source

A review of PETT oscillation's characteristics, mechanism, and suppression methods in the IGBT device

open access: yesPower Electronic Devices and Components, 2023
In practical application, there are many parallel insulated gate bipolar transistor (IGBT) chips and anti-parallel fast recovery diode (FRD) chips in the IGBT devices.
Ganyu Feng   +4 more
doaj   +1 more source

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