Results 21 to 30 of about 1,285 (202)

Experimental Validation of a Current-Source Converter with Reduced Dc-link Operating as Shunt Active Power Filter [PDF]

open access: yesEAI Endorsed Transactions on Energy Web, 2021
Nowadays, the majority of electronic equipment behaves as nonlinear loads, introducing power quality problems into the power grid, namely, current harmonics and low power factor. These problems contribute to reduce the efficiency of the
Catia Oliveira   +5 more
doaj   +1 more source

AN ADAPTIVE HARMONIC COMPENSATION STRATEGY FOR THREE-PHASE SHUNT ACTIVE POWER FILTER BASED ON DOUBLE SECOND-ORDER GENERALIZED INTEGRATOR WITH PREFILTER

open access: yesElectrical engineering & Electromechanics, 2020
. This study presents a straightforward adaptive prefiltering algorithm based on a double second-order generalized integrator with prefilter to solve one of the power quality issues, this algorithm is in charge of the determination of the reference ...
S. Kalkoul   +3 more
doaj   +1 more source

A fault tolerance method based on switch redundancy for shunt active power filter

open access: yesEnergy Reports, 2021
In order to improve the reliability of the shunt active power filter(SAPF) system, the fault-tolerant control strategy of the system is studied in this paper.
Dongdong Chen   +3 more
doaj   +1 more source

Volumetric modulated arc therapy (VMAT) for hippocampal-avoidance whole brain radiation therapy: planning comparison with Dual-arc and Split-arc partial-field techniques

open access: yesRadiation Oncology, 2020
Background Although whole brain radiation therapy (WBRT) provides palliation and prophylaxis, reduces local recurrence probability and improves overall survival, it is evident that WBRT is associated with neurocognitive deficits due to radiation induced ...
Adams Hei Long Yuen   +3 more
doaj   +1 more source

Experimental Investigations on Particle Swarm Optimization Based Control Algorithm for Shunt Active Power Filter to Enhance Electric Power Quality

open access: yesIEEE Access, 2022
Quality power is a very important factor for the proper functioning of appliances and can be enhanced using shunt active power filters (SAPF). This work demonstrates the hardware implementation of synchronous reference frame (SRF) theory based SAPF. This
Ravinder Kumar   +4 more
doaj   +1 more source

Harmonic Mitigation in a Smart Grid Using a PV-Powered Series Active Power Filter [PDF]

open access: yesE3S Web of Conferences
The rising integration of photovoltaic PV sources within SMART GRIDS introduces significant challenges related to power quality PQ, especially due to harmonic distortions that can address grid. Stability, high power quality, and optimal efficiency of all
El Ouardi Said   +5 more
doaj   +1 more source

SAPF for the Inter-harmonics on Grid Network Compensation

open access: yesInternational Journal of Grid and Distributed Computing, 2014
Using SAPF (shunt active power filter) has been proved as an effective way for harmonic compensation. In practical applications, the performance of SAPF will be impacted by interharmonics and non-periodic disturbances. This paper analyzed the CPT (conservative power theory) definition of power theory and the application method for SAPF.
Chao Zhang, Yi J. Zhang
openaire   +1 more source

Adaptive Frequency-Based Reference Compensation Current Control Strategy of Shunt Active Power Filter for Unbalanced Nonlinear Loads

open access: yesEnergies, 2019
The shunt active power filter (SAPF) is an effective means for the modification of power quality. However, the compensation performance of SAPF would be deteriorated when the unbalanced nonlinear loads are present in the power system.
Cheng-I Chen   +3 more
doaj   +1 more source

Modified SOGI based shunt active power filter to tackle various grid voltage abnormalities

open access: yesEngineering Science and Technology, an International Journal, 2017
Shunt Active Power Filters (SAPF) have been effectively used to compensate the harmonics generated by the non-linear loads. The SAPF’s performance depends on the accurate generation of reference current, which is dependent greatly on the template of ...
Kalpeshkumar Patil, Hiren H. Patel
doaj   +1 more source

A Sliding Mode Control Strategy with Repetitive Sliding Surface for Shunt Active Power Filter with an LCLCL Filter

open access: yesEnergies, 2020
This paper proposes a novel sliding mode control (SMC) scheme with a repetitive sliding surface for shunt active power filters (SAPF) to enhance the system robustness and eliminate harmonic current tracking errors. Traditional control schemes, such as PI
Yunguang Gao   +4 more
doaj   +1 more source

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