Monitoring of a power system is essential for maintaining it in secure operating condition. Electric distribution management (DMS) should possess monitoring mechanism addressing the entire conditions system. Distribution System State Estimation (DSSE) an integral building block DMS. Because new technologies integrated into system, opportunities, problems and challenges related to control are be...

In the real world, most countries generate electricity from fuel, which hasits own disadvantages. To minimize usage of fuels, economic, socialand environmental effects should be studied and focus given onthe development alternative power sources, such as solar photovoltaic(PV), wind energy, micro-hydro others. This paper focuses use photovoltaic generation in conjunction with turbinesto electri...

Data of four layers flocks (#31-34) from North Carolina Layer Performance and Management Test of the Department of Agriculture and Consumer Services were used in the meta-analysis to find if an increase in space allowance can affect egg production traits in white and brown layers. Effects of space allowance of 310 and 413 cm2/bird on layers performance were compared in this study. The increase ...

Article history: Received 22 May 2005 Received in revised form 19 September 2005 Accepted 26 September 2005 Available online 16 November 2005 Two prominent and alternate approaches, ecosystem service valuation and ecological footprints, link the production of ecosystem services with their consumption by societies. An overlapping goal of both approaches is to promote the sustainable use of ecosy...

Most residences of the northern parts of Golestan Province, have historically used rooftop rainwater for drinking. Its adoption rate and continued use have declined in recent years for various reasons. Based on a survey of 380 cases, this research attempted to identify what factors are contributing to the adoption of these systems. The results demonstrated that the adoption changes in response ...