Active low-voltage power distribution network fault positioning optimization method based on hierarchical model
A low-voltage distribution network and fault location technology, which is applied in the direction of fault location, fault detection according to conductor type, and electrical measurement, can solve the problems of low fault location efficiency and many equivalent source-containing areas, so as to improve the operation management level, Optimize the hierarchical model and avoid the effect of interference
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[0034] Embodiment: A layered model-based fault location optimization method for an active low-voltage distribution network in this embodiment includes the following steps:
[0035] (1) Make the distribution network equivalent in layers. According to the topological structure of the distribution network, all the sections of the feeder are reserved, the branches of each feeder are equivalent to a section, and the reporting threshold of the fault current information is set to be greater than 12%I.
[0036] The basis for the elimination of distributed power is related to the access location and capacity of distributed power. When distributed power is connected to the bus side, the low-voltage distribution network can be equivalent to a single-ended radial power supply network, and distributed power is connected upstream. The main power supply supplies power to the low-voltage distribution network at the same time, which can be regarded as a traditional single power supply radiatio...
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