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This paper introduces the basic principle of high voltage switchgear discharge, expounds several common discharge types, and studies the precise localization of partial discharge of high voltage switchgear based on hyperboloid positioning method and space grid search method. The simulation test of the diagnostic process is used to test the feasibil...
Contexts in source publication
Context 1
... presence of air bubbles is common in certain areas of liquid insulation and solid insulation. Figure 1 (a) shows the case where bubbles are present inside the solid or liquid insulation, the height of the entire insulating portion is d, and the bubble of height δ is at a position intermediate the two electrodes. Figure 1 (b) shows its equivalent circuit diagram, which can be used to study the mechanism of air gap discharge. ...
Context 2
... 1 (a) shows the case where bubbles are present inside the solid or liquid insulation, the height of the entire insulating portion is d, and the bubble of height δ is at a position intermediate the two electrodes. Figure 1 (b) shows its equivalent circuit diagram, which can be used to study the mechanism of air gap discharge. As shown in Figure 1, a bubble exists inside the insulating medium, and the part is represented by the letter c. ...
Context 3
... 1 (b) shows its equivalent circuit diagram, which can be used to study the mechanism of air gap discharge. As shown in Figure 1, a bubble exists inside the insulating medium, and the part is represented by the letter c. Its equivalent capacitance and resistance are represented by Cc and Rc, respectively; The bubble has an obvious series relationship, represented by the letter b, and its equivalent capacitance and resistance are represented by Cb and Rb respectively; the other parts of the medium are represented by the letter a, its equivalent capacitance and The resistances are represented by Ca and Ra, respectively. ...
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