Results 31 to 40 of about 3,598,668 (295)

Maiden Voltage Control Analysis of Hybrid Power System With Dynamic Voltage Restorer

open access: yesIEEE Access, 2021
This work is a maiden attempt towards the voltage stability enhancement of a hybrid power system (HPS) comprising of Parabolic Trough solar power (PSP), Dish-Stirling Solar Power (DSP) and diesel generator (DG).
Sudhanshu Ranjan   +5 more
doaj   +1 more source

Stability boundary analysis of the dynamic voltage restorer in weak systems with dynamic loads [PDF]

open access: yes, 2011
In this contribution, a stability analysis for a dynamic voltage restorer (DVR) connected to a weak ac\ud system containing a dynamic load is presented using continuation techniques and bifurcation theory.
Segundo-Ramírez, J.   +10 more
core   +1 more source

Attenuation of Zero Sequence Voltage Using a Conventional Three-Wire Dynamic Voltage Restorer

open access: yesEnergies, 2021
Voltage sags/swells and harmonics are recurring problems in electric energy distribution systems. In order to solve these issues, several dynamic voltage restorer (DVR) topologies, such as the conventional three-wire DVR, have been proposed in the ...
Rafael Neto   +5 more
doaj   +1 more source

Study of fuzzy based control algorithm for dynamic voltage restorer

open access: yes, 2015
Voltage sags appear in a short time period between half a cycle and 1 minute. The control system of a dynamic voltage restorer should have a fast yet smooth response in detecting, synchronizing, and injecting the appropriate level of compensating voltage
Karimi-Ghartemani, Masoud   +2 more
core   +1 more source

DESIGN OF DYNAMIC VOLTAGE RESTORER TO ENHANCE POWER QUALITY RELYING ON RENEWABLE SOURCE

open access: yesMağallaẗ Al-kūfaẗ Al-handasiyyaẗ, 2018
Power quality improvement of low voltage grid is a great challenge that confronts the sophisticated power applications, because their performance is highly sensitive to the quality of power supply.
Haider M. Umran
doaj   +1 more source

Dynamic voltage restorer using the combination of fuzzy logic and EPLL control strategies: An optimized implementation

open access: yes, 2014
Voltage sag is the most frequent power quality disturbance and it must be mitigated to protect sensitive electronic devices such as adjustable speed drives and programmable logic controllers.
Nadia Mei Lin Tan   +7 more
core   +1 more source

Voltage Quality Enhancement of Grid-Integrated PV System Using Battery-Based Dynamic Voltage Restorer

open access: yesEnergies, 2020
The advancement of power electronic-based sensitive loads drives the power utilities’ devotion to power quality issues. The voltage disturbance could be happening due to fault conditions, switching of loads, energizing of transformers, or integration of ...
Emiyamrew Minaye Molla, Cheng-Chien Kuo
doaj   +1 more source

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz   +12 more
wiley   +1 more source

Improving Power Quality with Non-Segregated Dynamic Voltage Restorer-Ultra capacitor Design [PDF]

open access: yesE3S Web of Conferences
A product that might improve voltage sag and swell change and integration of energy storage is the dynamic voltage restorer (DVR). Ultra capacitors, or UCAPs, are conducive in relieve voltage swells and sags which compose a challenge to high power for ...
Mounica Patil   +4 more
doaj   +1 more source

Retrospective Analysis of Donor Lymphocyte Infusions in Pediatric Patients With Mixed Chimerism After Hematopoietic Stem Cell Transplantation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk   +10 more
wiley   +1 more source

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