Xianjue Luo

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The two dimensional (2D) electric field mathematical model of arc-quenching chamber employing shunted capacitors in a 550kV dual-break extra high voltage SF6 circuit breakers (EHV SF6 CB) has been established and the influences of shunted capacitors are discussed based on finite element method (FEM). A novel structure of capacitor banks has been suggested(More)
A novel topology analysis method is presented to analyze the testability of grounding grids, and creditability is firstly proposed as an important index to evaluate the results. In this method, inaccessible nodes are eliminated by wye-delta transformation, followed by the calculation of testability and creditability index in the reverse direction.(More)
The method of corrosion diagnosis for substation grounding grids based on large change sensitivity is proposed. By analyzing the node voltages, the large change sensitivity of the port voltages in response to the branch resistances is given and the nonlinear optimal model of corrosion diagnosis is established. The diagnosis equations based on the(More)
In this paper, a modified fast multipole integral (FMI) method is proposed for the calculation of the frequency dependent inductance of on-chip interconnects. The method is based on the discretization of the integral formulations and the fast multipole method by which the magnetic vector potentials induced by the currents through the conductors were(More)
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