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The ideal Gaussian pulse can be more convenient to simulate the excitation of electromagnetic waves and its propagation characteristics, but the pulse and the actual local discharge current waveform is not exactly the same. At the same time, most of the previous research contents have adopted the simplified GIS simulation model, which does not take into account the influence of the arc of the basin...
Gas insulated switchgear (GIS) plays a vital role in substation. Partial discharge (PD) is the most common and serious defects, and it greatly influences the insulation quality of GIS. So it is very important to locate the defect in time. The current methods of location are mainly based on the sensors time difference. The method is complex and it makes an inadequate use of monitoring sequence. So...
The technology for removing oleoresin from masson pine wood without waste water is an great market demand. What is worse is that the current consumption of skim a lot of energy technology.The result is as follows: (1)The influence of the sulfur addition on the quantity of dissolved resin is remarkable.The influence of the other factors is not remarkable. (2) The ideal deresination technology is: The...
In this paper monitoring and diagnosis methods of solid insulation in power transformer are presented, including their features and applications. In actual application, not only reliability but also economic performance of each method should be considered in response to practice situation. If economic interest and safe reliability are combined into optimal effect, various schemes may be adopted according...
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