نتایج جستجو برای: hybrid acdc micro grid

تعداد نتایج: 382780  

Journal: :Intelligent Automation and Soft Computing 2023

The contribution of Renewable Energy Resources (RER) in the process power generation is significantly high recent days since it paves way for overcoming issues like serious energy crisis and natural contamination. This paper deals with renewable based micro-grid as regarded apt solution integrating RER electrical frameworks. As fixed droop coefficients conventional control approaches have cause...

Journal: :Human reproduction 2007
M Hansen E Sullivan A M Jequier P Burton S Junk J Yovich C Bower

BACKGROUND National assisted reproductive technology (ART) data collections that rely on practitioners' reports of birth defects have consistently reported lower proportions of children with birth defects than record linkage studies that link ART infants to birth and malformation registers. METHODS We compared the birth defect data reported to the national Australian Assisted Conception Data ...

2016
Thormod Idsoe Serap Keles

BACKGROUND School dropout is considered a serious problem in high schools in Norway. Despite studies which emphasize the importance of mental health as a unique risk factor for dropout, interventions have only taken this into account to a limited extent. Depression is one of the most prevalent mental health issues. Here we report the study protocol of a cluster randomized controlled trial of a ...

2008
M. Claus D. Retzmann D. Sörangr K. Uecker

Deregulation and privatization are posing new challenges to high-voltage transmission systems. High-voltage power electronics, such as HVDC (High Voltage Direct Current) and FACTS (Flexible AC Transmission Systems), provide the necessary features to avoid technical problems in heavily loaded power systems; they increase the transmission capacity and system stability very efficiently and assist ...

2012
J. A. BASKAR R. HARIPRAKASH M. VIJAYAKUMAR

Recent developments in distributed generation technologies have enabled new options for supplying electrical energy in remote and off-grid areas. The importance of fuel cells has increased during the past decade due to the extensive use of fossil fuels for electrical power has resulted in many negative consequences. Fuel cells are now closer to commercialization than past and they have the abil...

2016
K. Swathi K. Bhavana

The smart grid and micro-grid technologies are playing necessary role in power system due to their benefi ts over traditional utility grid system. In micro grid, control and management has many functions to keep up stability and to boost power quality of the system. In this paper, a hierarchical control is presented which incorporates primary, secondary and tertiary control levels are planned f...

2017
Zhaojing Yin Yanbo Che Dezhi Li Huanan Liu Dongmin Yu Josep M. Guerrero

With the rapid growth of thermostatically controlled loads, active power fluctuation and peak demand growth within an autonomous micro-grid become serious problems. This paper tries to suppress power fluctuation and shave peak demand for a micro-grid through optimizing domestic electric water heaters (controllable load). In this paper, domestic electric water heater models are first built to op...

2013
Bahman Kermanshahi

A campus based smart micro grid model that combined power and heat is presented. In this study, optimal scheduling of distributed generations inside these smart micro grids is determined based on demand forecasting, solar power forecasting and wind power forecasting by artificial neural network (ANN). The proposed model is then evaluated through economical efficiency, environment efficiency and...

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