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The relationship between emitted energy spectrum and multipactor threshold of impedance transformer is investigated numerically in this paper. Secondary electron yield remains the same, while the emitted energy spectrum changes. Numerical simulations are provided for different cases of emitted energy spectrum. We analyze the practicability of this method in theory and simulation. Simulation results...
this article will use the generalized ridge regression in system harmonic impedance analysis and the harmonic evaluation. Based on the equivalent circuit of the system, users can obtain system harmonic impedance, the background harmonic and common connection point, the analytical expression of the harmonic. Using the harmonic voltage and current data which will be got in the common connection point,...
Grid impedance estimation is important in monitoring and protection of wide-area power systems. In this paper, a recursive least squares estimation algorithm with a forgetting factor is proposed to identify impedance matrix of electrical power grids. This new approach is based on synchronized phasor measurements and makes it possible to track changing parameters due to grid reconfiguration and load...
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