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The conducted EMI simulation plays an important part in the SMPS in the product design. The analysis of common mode noise is much more complex than differential mode noise. The CE simulation accuracy depends on the accuracy of CM mode noise. CM noises are determined by the electric coupling between the voltage jump point and the ground. Traditional the CM models of the electric coupling between the...
This paper discusses the employment of averaged circuit-based models for studying the electromagnetic transients of three-phase, grid-connected, photovoltaic (PV) systems. The paper first briefly introduces the structure and controls of a three-phase grid-connected PV system, and then presents the procedures for construction of averaged models for power-electronic core of the PV system. Finally, the...
This paper introduces the method of setting up of the 750kV line model, in accordance with the model of 750kV lines running in different systems under various fault happened a detailed simulation, and according to the simulation results discussed in the transient process of 750kV line and the impact of the protection algorithm of the transient course is discussed.
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