نتایج جستجو برای: electrical installations
تعداد نتایج: 198864 فیلتر نتایج به سال:
Energy gives personal comfort to people, and is essential for the generation of commercial and societal wealth. Nevertheless, energy production and consumption place considerable pressures on the environment, such as the emission of greenhouse gases and air pollutants. They contribute to climate change, damage natural ecosystems and the man-made environment, and cause adverse effects to human h...
Industrial and domestic equipments use non-linear electronic components. As examples of these nonlinear loads: rectifiers, inverters, choppers or in a general manner, all equipments using the electronic switches and the junctions with semiconductors. This creates non sinusoidal electrical currents which will be injected in the electrical supply network. These non sinusoidal currents present oth...
Electrical power on military installations is vital for mission accomplishment. Most installations obtain electrical power from a local commercial utility. Although commercial power service has a very low interruption rate, the threat of a sustained power outage resulting from a terrorist act or a natural disaster is of concern. The military should posture itself to prevent such power outages a...
Thermography is the process of using a camera capable of detecting infrared radiation to determine the temperature of an object. There is a multitude of possible uses for the technique, although traditionally the use of thermography has been limited to industrial inspections, due to the high costs of the necessary equipment. However, lately, due to development in the field, the cameras have bec...
This article describes the problems associated with distributed electrical power generation and most frequent interruptions occurring in grids. The common methods of improving quality supply were analyzed possibilities offered by energy storages this respect considered. operating parameters an exemplary PV system connected to grid analyzed. For purpose, model implemented Matlab/Simulink environ...
Abstract: Previous research or relevant is very important in a scientific article. This article reviews the factors that affect Reliability of Electrical Installations, namely Short Circuit Protection, Leakage Current and Grounding Systems, which literature study on human resource management. The purpose writing this to build hypothesis influence between variables be used further research. resu...
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