This paper describes a micro-grid system and its monitoring system. This micro-grid system consists of generation systems, consumer electrical equipments, auxiliary equipments and the monitoring system. All the equipments have 485 communication interfaces. In order to monitor and manage this micro-grid system, we built a monitoring system, which contains modular instrument system and industrial...

Harmonic current pollution is a one of the major power quality problem in electrical power systems. In office buildings one of the main harmonic sources is a large numbers of computer loads. Especially, personal computers apply harmonic distortions to their power supply systems. In this study, harmonics models of equipments, a MATLAB ® code and single-phase Simulink simulation models are develo...

Healthcare workers are the front liners in war against COVID 19 pandemic. Since this fight pandemic started, thousands of heath care have been infected with many paying ultimate price their lives a bid to provide health service patients. Currently either quarantine or isolation. Still working fear virus and under poor conditions without adequate protections. The potential for high exposure is g...

A survey was conducted in six villages in three mandals viz., Tadikonda, Medikonduru and Pedanandipadu in Guntur district of Andhra Pradesh. All the 150 chilli farmers participating in Crop Life India (CLI) sponsored safe use of pesticides and Integrated Pest Management project were taken as sample for the study. It was expressed all the respondent farmers purchasing pesticides from authorised ...

Welding is an important process used in the iron based industries. About two percent of the working population is engaged in some type of welding. The procedure of welding is simple but its health implications are complex. Welding generates enormous amounts of gases and metal fumes. Depending on the substrate and welding type, the composition of resultant gases and fumes changes. Therefore, wel...