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With the rapid development of wind power industry in our country, more and more large scale wind farms are connected to the electricity grid, which makes the grid safety more significant problem, so study the wind generator for the low voltage across (LVRT) technology is very significant. This paper first introduces the present research situation of the LVRT technology and the standards at home and...
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,...
In recent years with the distributed generation (DG) technology like photovoltaic system generation (PVS) widely applied, some system problems such as voltage exceeding is gradually remarkable. The PVS access node and capacity will influence the voltage exceeding probability. In order to make full use of PVS and make sure the voltage exceeding probability limit within a certain range to ensure the...
The process of knowledge transfer in knowledge alliance is analyzed and studied in this paper systematically. Using dynamic game theory, dynamic game model of knowledge transfer between knowledge transfer and receiver is established, optimal strategies of both sides are found, and a perfect Bayesian equilibrium is achieved and some effective measures are put forward to promote knowledge transfer....
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