Power distribution line tower span panning method based on load reliability
A power distribution line and reliability technology, which is applied in the direction of electrical components, cable installation, electrical digital data processing, etc., can solve problems that do not involve the selection of line components, the determination of line spacing, and the inability to apply research results. question
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[0110] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0111] Pole types such as figure 1 shown, for figure 2 The power distribution system shown is planned for spans and towers. The electrical parameters of the system components are shown in Table 1, and the average load of each load node is shown in Table 2:
[0112] Table 1 Feeder Length
[0113]
[0114] Table 2 Load parameters
[0115]
[0116]
[0117] Step 1: Calculation of pole load unreliability
[0118] 1.1 Calculate the bending strength of the pole
[0119] In the probability density function of the flexural strength of concrete poles, μ p =β·Mu=1.2Mu, δ p =ν·Mu=0.25Mu, so:
[0120] f R ( M p ) = 1 2 ...
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