Results 51 to 60 of about 393,718 (196)

Rural Facility Electric Power Quality Enhancement [PDF]

open access: yes, 1991
Electric power disturbances are known to be more prevalent in small, isolated power systems than in larger interconnected grids which service most of the United States. This fact has given rise to a growing concern about the relative merits of different
Aspnes, J.D.   +3 more
core  

Portable Iontophoresis Device for Efficient Drug Delivery

open access: yesBioengineering, 2023
The timely delivery of drugs to specific locations in the body is imperative to ensure the efficacy of treatment. This study introduces a portable facial device that can deliver drugs efficiently using iontophoresis.
Moonjeong Bok   +3 more
doaj   +1 more source

Inductive Pulse Forming Network for High-Current, High-Power Applications [PDF]

open access: yes, 2010
PatentAn inductive pulse forming network stores electrical energy delivered from an outside prime power supply in the electric field of a low-voltage, high-energy density network capacitor. Through timed actuation of a series of one or more switches, the
Maier, William Bryan II
core   +1 more source

National Water Resources Policy Issues [PDF]

open access: yes, 1957
Syftet med mitt arbete är att undersöka vad elever i klass 7 och klass 8 som läser spanska som andra språk ser som motiverande för sina spanskstudier. Jag ville även titta närmare vad som kan skapa motivation hos eleverna.
Fox, Irving K.
core   +3 more sources

Повышение надежности частотно-регулируемого электропривода каскадных систем стабилизации давления насосных станций [PDF]

open access: yes, 2013
Based on the analysis of cascaded control units pumping station with the launch of motors from one inverter, consider the problem of reducing the reliability of the system in case of extinction voltage in the mains.
Торопов, Антон Валериевич   +1 more
core  

Tradeoff analysis for electric power planning in New England [PDF]

open access: yes, 1989
The use of a multi-attribute trade-off analysis technique as a vehicle to provide information to a diverse group of electric industry interests can play a beneficial role for developing long-range strategies for the electric power sector.
Connors, Stephen R.   +2 more
core  

Analisis Kinerja Pembangkit Listrik Energi Terbarukan Pada Model Jaringan Listrik Mikro Arus Searah [PDF]

open access: yes, 2010
This paper aims to analyze the performance of the Renewable Energy Power Plants which are consist of PLTS and PLTB 12V/100W that supplies power into DC microgrid.
Isdawimah, I. (Isdawimah)   +2 more
core  

Electricity Generation from Synthetic Wastewater Treatment in Microbial Fuel Cell

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2012
Background and Objectives: Microbial fuel cell (MFC) used for electricity generation and wastewater treatment, simultaneously. In MFC, microorganisms act as a catalyst to convert chemical energy stored in organic materials into electrical energy.
Z Yavari   +5 more
doaj  

Power needs for electric propulsion [PDF]

open access: yes
Power supplies for spacecraft electric propulsion ...
Mickelsen, W. R.
core   +1 more source

Method of design of a high-frequency power inverter based on magnetic amplifiers [PDF]

open access: yes, 2017
Запропоновано новий метод побудови силового інвертора на основі високочастотних магнітних підсилювачів. Такі силові інвертори можуть використовуватися для відновлювальних джерел живлення та частотного регулювання електроприводів.New method of design of ...
Martseniuk, Anatoliy   +5 more
core  

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