Fault type judgment method and device for full-parallel AT power supply contact network
A fault type, catenary technology, applied in the field of catenary, can solve the problems of inability to quickly and intuitively judge the fault type, difficult to verify the accuracy of the judgment results, etc., to achieve the effect of easy judgment results, intuitive results, and easy realization.
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[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0052] The embodiment of the present invention provides a method for judging the fault type of a fully parallel AT power supply catenary, as shown in FIG. 1, which is applied to a system including a traction station, an AT station, and a district station. The method includes the following steps:
[0053] Step 101: Obtain the direction of the power frequency current when the all-parallel AT power supply catenary fails.
[0054] Among them, th...
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