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Overhead power lines are the only way to electrify many communities. Massive experience has been gained with electrification projects that can be used world-wide. This work presents the technology of overhead power lines, including sag, insulators, conductors, lightning, and grounding.
Nanogrids are small energy grids, powered by various generators often including photovoltaics. For example, a nanogrid might supply a village in a rural area and allow that village to trade its surplus energy. A picogrid is a still smaller energy grid. IRENA defines nanogrids as systems handling up to 5 kW of power while picogrids handle up to 1 kW.
This book covers the diagnosis and assessment of the various faults which can occur in a three phase induction motor, namely rotor broken-bar faults, rotor-mass unbalance faults, stator winding faults, single phasing faults and crawling.
This text discussed various models of dark energy, their interactions and their consequences on the accelerated expansion of the universe. The dark energy models considered here include the tachyonic field, scalar field, phantom field, Chaplygin gas, DBI-essence, hessence, new agegraphic dark energy, and Ricci dark energy. Various issues associated with these models have been discussed along with extensive literature survey. The thermodynamic consequences have also been discussed for some interacting dark energy situations.
This wide-ranging survey examines a variety of power quality problems, describing the sources of poor power quality and their effect on electricity supply, particularly regarding imbalance and harmonics. It includes a case study on induction machines.
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