Method for positioning single-phase earth fault section of in-situ power distribution network
A single-phase-to-ground fault and segment location technology, applied in fault location, fault detection by conductor type, information technology support system, etc. The effect of small amount of communication data, comprehensive positioning and high sensitivity
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[0044] In order to explain the technical solutions and advantages of the present invention more clearly, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used for a more thorough and complete understanding of the present invention, and are not intended to limit the protection scope of the present invention.
[0045] The invention considers the different voltage input conditions of the distribution station and the switch on the pole, and the different requirements of different algorithms for communication bandwidth and data synchronization, and through the mutual cooperation of various distribution network terminals (station terminal DTU, feeder terminal FTU, etc.), Achieving fast and reliable single-phase-to-ground fault zone location includes the following steps:
[0046]1. In the distribution station (inclu...
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