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In this paper, a positioning method of distributed power system is proposed to minimize average voltage variation of DC microgrid through voltage sensitivity. Power flow analysis is performed to derive voltage sensitivity, and droop bus is introduced to improve the accuracy of voltage sensitivity. In addition, the averaged voltage sensitivity according to the position of the distributed power system...
Since the rotor resistance is associated with a slip calculation, the precise identification of rotor resistance has a crucial impact on the dynamic behavior of the whole Indirect Field Orientation Control. This paper presents a new technique based on Model Reference Adaptive System scheme for on-line estimation of an induction motor rotor resistance. The proposed rotor parameter identification is...
The reliability of the PMSM drives is the one of critical factors in several industries, in particularly, the areas where the precise operation and/or high performance are required. This paper proposes a novel diagnosis scheme using Extend Kalman Filter (EKF), especially, in subject to the open-phase faults of the inverter switches. The stator resistances of PMSM are estimated by the EKF in real time...
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