
Исследование экономического эффекта от внедрения частотного электропривода на центробежные насосы основывается на классических формулах подобия, в соответствии с которыми мощность в кубической степени зависит от изменения скоростей вращения ротора насосного агрегата. Показано, что известные зависимости являются частным случаем, в котором не учитывается геометрический уровень водопроводной сети. Приведена оценка влияния статического напора сети на изменение мощности потребления насоса при частотном регулировании. The study of the economic effect of the introduction of a frequency-electric drive on centrifugal pumps is based on the classical similarity formulas, according to which the power to a cubic degree depends on the change in the speed of rotation of the rotor of the pumping unit. The authors of the work show that the known dependencies are a special case in which the geometric level of the water supply network is not taken into account. The article provides an assessment of the influence of the static head of the network on the change in the power consumption of the pump during frequency regulation.
Статическая характеристика сети, Мощность потребления, Pumping unit, Active power consumption, Напорная характеристика насоса, Насосный агрегат
Статическая характеристика сети, Мощность потребления, Pumping unit, Active power consumption, Напорная характеристика насоса, Насосный агрегат
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