Fault indicator and distributed intelligent terminal matched overhead distribution network fault positioning method
A fault indicator and distribution network fault technology, which is applied in the direction of fault location, fault detection according to conductor type, information technology support system, etc., can solve the problems that distributed intelligent terminals cannot be used in large quantities, faults cannot be isolated, and large investment. Achieve the effects of reducing the scope of fault judgment, improving the reliability of power supply, and saving investment
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Embodiment 1
[0071] Example 1: 10kV distribution network, the total length of the trunk line is 3103m, the distance between the first trunk measurement point and the second trunk measurement point is 2334m, and the distance between the second trunk measurement point and the third trunk measurement point is 769m. The branch lines have different lengths and different load capacities, respectively: the load capacity of the 442m long branch is 800kW, the load capacity of the 153m long branch is 400kW, the load capacity of the 286m long branch is 100kW, and the load capacity of the 317m long branch The 100kW, 116m long branch has a load capacity of 400kW, the 161m long branch has a load capacity of 80kW, the 243m long branch has a load capacity of 160kW, and the 190m long branch has a load capacity of 400kW. A total of 3 trunk measurements and 8 branch measurements, namely (2 sections of trunk, 8 branches), the line types are all overhead lines, single-outlet distribution network topology, and t...
Embodiment 2
[0074] Example 2: 10kV distribution network, the total length of the trunk line is 3103m, the distance between the first trunk measurement point and the second trunk measurement point is 2334m, and the distance between the second trunk measurement point and the third trunk measurement point is 769m. The branch lines have different lengths and different load capacities, respectively: the load capacity of the 442m long branch is 800kW, the load capacity of the 153m long branch is 400kW, the load capacity of the 286m long branch is 100kW, and the load capacity of the 317m long branch The 100kW, 116m long branch has a load capacity of 400kW, the 161m long branch has a load capacity of 80kW, the 243m long branch has a load capacity of 160kW, and the 190m long branch has a load capacity of 400kW. A total of 3 trunk measurements and 8 branch measurements, namely (2 sections of trunk, 8 branches), the line types are all overhead lines, single-outlet distribution network topology, and t...
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