Results 11 to 20 of about 286,510 (260)

Grid-Forming Buck-Type Current-Source Inverter Using Hybrid Model-Predictive Control [PDF]

open access: yesEnergies
Grid-forming (GFM) inverters have recently seen wider adoption in microgrids and inverter-based-resource (IBR)-penetrated grids, and are primarily used to establish grid voltage under a wide array of conditions. In the existing literature, GFM control is
Gianni Avilan-Losee, Hang Gao
doaj   +2 more sources

Fault Ride-through Capability Enhancement of Voltage Source Converter-High Voltage Direct Current Systems with Bridge Type Fault Current Limiters [PDF]

open access: yesEnergies, 2017
This paper proposes the use of bridge type fault current limiters (BFCLs) as a potential solution to reduce the impact of fault disturbance on voltage source converter-based high voltage DC (VSC-HVDC) systems.
Md Shafiul Alam   +1 more
doaj   +4 more sources

Discrete Adaptive Nonswitching Reaching Law Algorithm for Sliding Mode Control of a Grid-Following Inverter [PDF]

open access: yesEnergies
This paper extends one of the nonswitching-type reaching laws for discrete-time sliding mode control. The control task under consideration is the regulation of the grid current of the grid-following power inverter.
Albert Sawiński   +2 more
doaj   +2 more sources

Enhanced Sliding Mode Control for Dual MPPT Systems Integrated with Three-Level T-Type PV Inverters [PDF]

open access: yesEnergies
Dual Maximum Power Point Tracking (MPPT) inverters are essential in residential and small commercial solar power systems, optimizing power extraction from two independent solar panel arrays to enhance efficiency and energy harvesting.
Farzaneh Bagheri   +5 more
doaj   +3 more sources

Infinite time horizon optimal current control of a stepper motor exploiting a finite element model [PDF]

open access: yes, 2014
An optimal control theory based method is presented aiming at minimizing the energy delivered from source and the power loss in a stepper motor circuit.
Szymanski, G.   +5 more
core   +1 more source

Line interactive UPS for microgrids [PDF]

open access: yes, 2014
Line interactive Uninterruptable Power Supply (UPS) systems are good candidates for providing energy storage within a microgrid to help improve its reliability, economy and efficiency.
Sharkh, S.M.   +5 more
core   +1 more source

Control of transient power during unintentional islanding of microgrids [PDF]

open access: yes, 2014
In inverter-based microgrids, the paralleled inverters need to work in grid-connected mode and stand-alone mode and to transfer seamlessly between the two modes. In grid-connected mode, the inverters control the amount of power injected into the grid. In
Sharkh, S.M.   +6 more
core   +1 more source

High Performance BCD Integrated Buck-Boost Converter in an AMOLED Display with Application of Self-Triggering Frequency Modulation

open access: yesAdvances in Electrical and Computer Engineering, 2018
Feedback control for self-triggering frequency modulation is proposed for an integrated buck-boost DC-DC converter in an AMOLED display. The goal is to reduce the ripple noise and transient time during the switching process.
KIM, H., JEON, S., CHOI, H., KIM, N.
doaj   +1 more source

Algorithms for automatic measurement of SIS-type hysteretic underdamped Josephson junction's parameters by current-voltage characteristics

open access: yesJournal of Electronic Science and Technology, 2023
Some electrical parameters of the SIS-type hysteretic underdamped Josephson junction (JJ) can be measured by its current-voltage characteristics (IVCs). Currents and voltages at JJ are commensurate with the intrinsic noise level of measuring instruments.
Aleksey G. Vostretsov   +1 more
doaj   +1 more source

Recent developments of modulation and control for high-power current-source-converters fed electric machine systems

open access: yesCES Transactions on Electrical Machines and Systems, 2020
The pulse-width-modulated (PWM) current-source converters (CSCs) fed electric machine systems can be considered as a type of high reliability energy conversion systems, since they work with the long-life DC-link inductor and offer high fault-tolerant ...
Pengcheng Liu   +4 more
doaj   +1 more source

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