Results 41 to 50 of about 70,029 (188)

Enhanced Electric Vehicle Integration in the UK Low Voltage Networks with Distributed Phase Shifting Control [PDF]

open access: yes, 2019
Electric vehicles (EV) have gained global attention due to increasing oil prices and rising concerns about transportation-related urban air pollution and climate change.
Denai, Mouloud, Vega-Fuentes, Eduardo
core   +3 more sources

Apparatus including a plurality of spaced transformers for locating short circuits in cables [PDF]

open access: yes, 1978
A cable fault locator is described for sensing faults such as short circuits in power cables. The apparatus includes a plurality of current transformers strategically located along a cable.
Cason, R. L., Mcstay, J. J.
core   +1 more source

Power optimization for a hydrocarbon industrial plant using a genetic algorithm [PDF]

open access: yes, 2014
In this paper, a genetic algorithm (GA) is considered for optimizing electrical power loss for a real hydrocarbon industrial plant as a single objective problem.
Abido, MA, Al-Hajri, MT, Darwish, MK
core   +1 more source

Piezoelectric transformer and modular connections for high power and high voltage power supplies [PDF]

open access: yes, 2006
A modular design for combining piezoelectric transformers is provided for high voltage and high power conversion applications. The input portions of individual piezoelectric transformers are driven for a single power supply.
Vazquez Carazo, Alfredo
core   +1 more source

Investigation the Performance of Electro-Optical AC Voltage LiNbO3 Sensor Based on Pockels Effect

open access: yesTikrit Journal of Engineering Sciences, 2013
In contrast to conventional voltage sensor technology (e.g., inductive voltage transformers or capacitive voltage transformers), optical sensors have inherent and advantageous features, such as wider bandwidth, larger dynamic range and lighter weight ...
Shahir F. Nawaf
doaj   +1 more source

Partial Discharge in Electronic Equipments [PDF]

open access: yes, 2009
Tato disertační práce se věnuje studiu částečných výbojů (PD) způsobených poklesem spolehlivosti a životnosti elektronických zařízení a systémů. Diagnostika PD je dnes známá metoda pro vysoké napětí u vysoko-výkonných zařízení.
Mammadov, Anar
core  

pandapower - an Open Source Python Tool for Convenient Modeling, Analysis and Optimization of Electric Power Systems

open access: yes, 2018
pandapower is a Python based, BSD-licensed power system analysis tool aimed at automation of static and quasi-static analysis and optimization of balanced power systems.
Braun, Martin   +7 more
core   +1 more source

Анализ традиционной системы оценки состояния трансформаторных масел в баках трансформаторов и автотрансформаторов напряжением 330 кВ [PDF]

open access: yes, 2010
Проведено аналіз стану силових високовольтних трансформаторів, розглянуті причини відмов і технологічних порушень високовольтних трансформаторів, проведено аналіз традиційної системи діагностики стану трансформаторного устаткування. Запропоновані основні
Аулова, Наталия Владимировна   +1 more
core  

Modeling of magnetization reversal processes in magnetic circuits of measuring transformers [PDF]

open access: yes, 2015
The article describes methods for modeling transient regimes in current and voltage transformers. In most studies measuring transformers are modeled in a stationary mode to determine their metrological characteristics. However, for safe uninterrupted
Filatova, Galina   +3 more
core  

Power supply Patent [PDF]

open access: yes, 1968
Power supply with automatic power factor conversion ...
Kramer, M., Martinage, L. H.
core   +1 more source

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