Results 31 to 40 of about 268,494 (187)
Sliding Mode Control Based Supercapacitor Modeling for Dynamic Stability in DFIG Based Wind Turbines
The supercapacitor is among the elements commonly used to store energy as an important component in sustainable energy systems. In doubly fed induction generators (DFIGs), the supercapacitor is used to compensate voltage dips and damping oscillations. In
Mehmet Kenan Döşoğlu +2 more
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Influence of fault asymmetric dislocation on the gravity changes
Abstract:A fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement along the fractures as a result of earth movement. Large faults within the Earth’s crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, energy release associated ...
Duan Hurong, Wang Tao
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Effect of Asymmetric Topography on Rupture Propagation Along Fault Stepovers
Abstract Complex fault systems are often located in regions with asymmetric topography on one side of a fault, and these systems are very common in Southern California. Along these fault systems, geometrical complexities such as stepovers can impact fault rupture.
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Determination of SCC Contributed by DFIG Under Asymmetrical Short Circuit Fault
For the past decades, practical calculation method of short circuit current (SCC) contributed by doubly fed induction generator (DFIG) under asymmetrical short circuit fault is deficient due to its control strategies and unlinear equipment.
Wenjia Xu +4 more
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Active trailing edge flap system fault detection via machine learning [PDF]
Active trailing edge flap (AFlap) systems have shown promising results in reducing wind turbine (WT) loads. The design of WTs relying on AFlap load reduction requires implementing systems to detect, monitor, and quantify any potential fault or ...
A. Gamberini, A. Gamberini, I. Abdallah
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Coordinated Low-Voltage Ride-Through Control Strategy for Flywheel Energy Storage Systems
To address DC-link voltage fluctuation, active-power imbalance between the machine side and the grid side, and double-frequency distortion in the grid current of a flywheel energy storage system (FESS) under symmetrical and asymmetrical voltage sag ...
Dahai Guo +6 more
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A Membership Agreement Algorithm Detecting and Tolerating Asymmetric Timing Faults [PDF]
Our paper presents a new membership agreement algorithm that address asymmetric timing faults and includes a new tool simulating TTP/C clusters. The proposed algorithm flags deviating or slightly untimely messages to assure that single marginal transmitting faults are detected and that only the faulty node will be expelled. The tool can demonstrate the
Håkan Sivencrona +2 more
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© 1969-2012 IEEE. Modern grid codes demand the integration of voltage support capability with photo-voltaic (PV) generators to ensure a secure operation of power systems.
Nadarajah, M, Hossain, MJ, Islam, M
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Conjugate Vectors Method Applied to Asymmetrical Fault Analysis of Power Electronized Power Systems
With the wide application of power electronized resources (PERs), the amplitude and frequency of voltages show significant time-varying characteristics under asymmetrical faults. As a result, the traditional phasor model, impedance model, and symmetrical
Yingbiao Li +4 more
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The flexible multi-state switch (FMSS), as a new generation of flexible interconnection device, enables flexible interconnection between different feeders in distribution networks by replacing traditional tie switches.
Xiaolan YANG +5 more
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