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A novel control strategy for solving unbalanced three-phase load in low voltage power grid is proposed in this paper. The compensating current determined by a new method based on instantaneous voltage vector orientation, which overcomes the shortcomings of phase-locked loops (PLL) in the traditional detection methods. A static var generator (SVG) is employed to compensate the unbalanced current obtained...
A low-order hybrid model, which can present the transient behaviors of evaporators, is proposed in this paper. The model is derived from the fundamental conversation of energy and mass of the working fluid flowing though the evaporator, while its geometrical dimensions, thermodynamic coefficients that can be considered as constants and some variables that keep small variety during the operation (such...
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