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Being healthy and energy saving have become two important principles of building development. Daylight is an influential factor with the characteristics of both photometry and radiometry. Irradiance brings solar heat gains that transfer to building cooling load, while illuminance provides a luminous environment and affects artificial lighting system at the same time. To balance the energy and daylighting...
The random of condition changes in arc furnace and the fluctuation of electrode discharge arcing which bring serious problems, such as the heavy harmonic current and the low power factor, to short net. In this paper, a measuring method based on current decomposition and frequency transformation is proposed. Without additional hardware and complex operations such as conventional coordinate transformation,...
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