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grounding electrode system

См. также в других словарях:

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  • Earth potential rise — In electrical engineering, Earth Potential Rise (EPR) also called Ground Potential Rise (GPR) occurs when a large current flows to earth through an earth grid impedance. The potential relative to a distant point on the Earth is highest at the… …   Wikipedia

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  • Transmission tower — A delta pylon carrying a 400kV power line towards Madrid. A transmission tower (colloquially termed an electricity pylon in the United Kingdom and parts of Europe, an ironman in Australia, and a hydro tower in parts of Canada) is a tall structure …   Wikipedia

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  • Electricity pylon — An electricity pylon or transmission tower is a tall, usually steel lattice structure used to support overhead electricity conductors for electric power transmission.High voltage AC transmission towersThree phase electric power systems are used… …   Wikipedia

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