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Mostrando ítems 71-80 de 361
Liquefied natural gas supply optimisation
(Pergamon-elsevier Science LtdOxfordInglaterra, 2000)
Analysis of Variables in Systems Hybrid Photovoltaic Wind in Rural Energization
(Ieee-inst Electrical Electronics Engineers Inc, 2016-12-01)
The search for renewable energy sources is becoming something of great importance in the face of conventional energy sources. Clean and renewable production systems is gaining incentive to search for pieces of institutions ...
RCVibro System: full description of a custom-made vibratory system and its reliability
(2017-11-01)
Background The use of local muscle vibration is a promising technique to improve motor performance in people with movement impairments. Majority of studies have failed to properly describe the used system and its reliability, ...
Alternative Mathematical Models for the Optimal Transmission Switching Problem
(IEEE, 2020-06-29)
In this work, the Optimal Transmission Switching (OTS) problem is solved in order to optimize the operation cost of an electrical power system. This is accomplished by disconnecting some transmission lines, which enables ...
A mixed integer programming model and solution method for the operation of an integrated water supply system
(2020-01-01)
The problem addressed in this paper focuses on the reduction of electrical energy costs for the operation of hydraulic pumps, which are used for catchment and distribution of water in water supply systems. As the electricity ...
The Brazilian experience of sugarcane ethanol industry
(Springer, 2009-06-01)
Biomass has gained prominence in the last few years as one of the most important renewable energy sources. In Brazil, a sugarcane ethanol program called ProAlcohol was designed to supply the liquid gasoline substitution ...
Thermoeconomic analysis: A criterion for the selection of cogeneration systems
(1996-12-01)
The economical viability of three cogeneration schemes as supplying alternatives for a hypothetical industrial process has been studied. A cost appropriation method based on Valero's studies (1986) has been used. This ...
Higher order interior-point method for minimising load-shedding in a competitive electric power market
(Iee-inst Elec EngHertfordInglaterra, 2004)
Clinical aspects of envenomation caused by Tityus obscurus (Gervais, 1843) in two distinct regions of Para state, Brazilian Amazon basin: a prospective case series
(Biomed Central Ltd., 2014-02-11)
Background: Scorpion envenomations are a major public health problem in Brazil, whose most dangerous cases are attributable to the genus Tityus. This study was designed to compare the clinical and demographic features of ...
New representation of PV buses in the current injection Newton power flow
(2017-09-01)
This paper presents a comparative analysis of the influence of PV bus representation on the convergence characteristics of the Newton-Raphson Current Injection method. The methods used for solving the power flow problem ...