Results 21 to 30 of about 915,622 (300)

Reducing voltage fluctuations using DSTATCOMs and reactive power of PV inverters in a medium voltage distribution system

The Journal of Engineering, 2019
This paper proposes local reactive power control to mitigate the voltage fluctuation in medium-voltage systems using DSTATCOMs and photovoltaic (PV) inverters.
Duong Quoc Hung, Yateendra Mishra, Geoffrey Walker   +2 more
doaj   +1 more source

Analysis of Traditional and Alternative Methods for Solving Voltage Problems in Low Voltage Grids: An Estonian Case Study

Energies, 2022
Smart Cities can benefit from existing municipal low voltage (LV) distribution grids by supporting public services with permanent power supply and providing grid connection points to distributed generators (DG).
Argo Rosin, Imre Drovtar, Heigo Mõlder, Kaija Haabel, Victor Astapov, Toomas Vinnal, Tarmo Korõtko   +6 more
doaj   +1 more source

Offline Measurement of Stator Resistance and Inverter Voltage Drop Using Least Squares

IEEE Access, 2023
Modern industrial and commercial electrical drives are typically designed to control motors of different types, operating under scalar, field-oriented or direct torque control.
Anton Dianov, Alecksey Anuchin
doaj   +1 more source

A basic lock-in amplifier experiment for the undergraduate laboratory [PDF]

, 2003
We describe a basic experiment for the undergraduate laboratory that demonstrates aspects of both, the science and the art of precision electronic measurements. The essence of the experiment is to measure the resistance of a small length of brass-wire to
Black, E. D., Hirata, C. M., Libbrecht, K. G.   +2 more
core   +1 more source

Lightning Surge Immunity of LED Road Luminaires: A Comparative Study of Hybrid SPD, EMI Filter, and TVS-Diode Protection Strategies

IEEE Access
This study presents an experimental evaluation of surge protection performance of a LED road luminaire subjected to standardized 8/ $20\mu $ s impulse stress.
Vasilios P. Androvitsaneas
doaj   +1 more source

Topology Detection in Microgrids with Micro-Synchrophasors

, 2015
Network topology in distribution networks is often unknown, because most switches are not equipped with measurement devices and communication links. However, knowledge about the actual topology is critical for safe and reliable grid operation. This paper
Andersson, Göran, Arghandeh, Reza, Cavraro, Guido, Gahr, Martin, Ruh, Monika, von Meier, Alexandra   +5 more
core   +1 more source

Electric signature of magnetic domain-wall dynamics [PDF]

, 2011
We study current-induced domain-wall dynamics in a thin ferromagnetic nanowire. The domain-wall dynamics is described by simple equations with four parameters.
Abanov, Ar., Liu, Y., Tretiakov, Oleg A.
core   +2 more sources

Smart-Grid Technologies and Climate Change: How to Use Smart Sensors and Data Processing to Enhance Grid Resilience in High-Impact High-Frequency Events

Energies
Smart-grid technologies are essential to achieving sustainable high-level grid resilience. Integrating sensors and monitoring devices throughout grid infrastructure provides additional data on weather-related parameters in real-time, enabling the smart ...
Eleni G. Goulioti, Theodora Μ. Nikou, Vassiliki T. Kontargyri, Christos A. Christodoulou   +3 more
doaj   +1 more source

Development and Validation of a Novel Setup for LEDs Lifetime Estimation on Molded Interconnect Devices

Instruments, 2018
Higher energy efficiency, more compact design, and longer lifetime of light-emitting diodes (LEDs) have resulted in increasing their market share in the lighting industry, especially in the industries of consumer electronics, automotive, and general ...
Mahdi Soltani, Moritz Freyburger, Romit Kulkarni, Rainer Mohr, Tobias Groezinger, André Zimmermann   +5 more
doaj   +1 more source

The ballistic acceleration of a supercurrent in a superconductor

, 2010
One of the most primitive but elusive current-voltage (I-V) responses of a superconductor is when its supercurrent grows steadily after a voltage is first applied.
Gabriel F. Saracila, Milind N. Kunchur, S. Cho   +2 more
core   +1 more source