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In order to enhance the stability of grid-connected modular multilevel converters (MMC) system, which has become a prominent topology as an alternative to conventional voltage source converter in applications for high voltage, a novel single-phase circulating current suppressing strategy is proposed. This paper studies the mechanism and model of circulating currents of a single-phase MMC system at...
Addressing problems of larger volume of harmonic gear in the conventional design, in this paper, a mathematical model of optimization with hybrid discrete variables is proposed by taking the modulus of harmonic gear transmission parameters m, the length of flexspline L, wall thickness δ and tooth width of flexspline b as design variables, and the sum of volume of circular spline and flexspline as...
ITU has standardized a computational model as Recommendation G.1070 for Quality of Experience (QoE) planning [1]. In our previous work, we proposed a system for calculating the G.1070 visual quality estimate in a monitoring scenario [2]. In G.1070, the visual quality is based, in part, on frame rate, bitrate, and packet-loss rate. For a fixed frame rate and a fixed packet-loss rate, the G.1070 visual...
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