Fault line selection method for distribution network based on adaptive neural fuzzy inference system
A distribution network fault, neuro-fuzzy technology, applied in fault location, fault detection according to conductor type, measurement of electricity, etc. Problems such as poor generalization ability
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[0108] In the training set, constructs such as Figure 6 In the distribution network model shown, the overhead lines adopt the Beryllon model, the feeder lengths are 1km, 3km, 7km, 15km, 20km, 25km, 35km, 40km, 44km, and 50km, and the model parameters are r 1 = 0.17Ω / km, r 0 = 0.23Ω / km, L 1 =1.21mH / km, L 0 =5.48mH / km, C 1 =9.7pF / km, C 0 =6pF / km, a single-phase grounding fault occurs at an interval of 4.5° between the fault phase voltage 0°~90°, the transition resistance of the grounding point is respectively 5Ω, 20Ω, 100Ω, 500Ω, 1000Ω, 1400Ω, 2000Ω on each line Set up 6 fault points respectively. In the test set, change the line parameters and simulation conditions, and the overhead line model parameter is r 1 = 0.33Ω / km, r 0 =1.041Ω / km, L 1 =1.31mH / km, L 0 =3.96mH / km, C 1 =7pF / km, C 0 =4pF / km, the cable line model parameters are: r 1 = 0.0791Ω / km, r 0 = 0.2273Ω / km, L 1 =0.2642mH / km, L 0 =0.9263mH / km, C 1 =0.373uF / km, C 0 =0.166uF / km, a single-phase grounding ...
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