Comprehensive estimation method of natural disaster flashover risks of power transmission circuit
A technology for transmission lines and natural disasters, which is applied in the field of comprehensive evaluation of transmission line natural disaster flashover risks, can solve problems such as inconsistent evaluation indicators, single natural disasters, and no unified evaluation model, so as to reduce work complexity and workload Effect
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[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0048] Such as figure 1 As shown, in a specific embodiment of the present invention, the insulator pollution degree evaluation is realized according to the meteorological data at the transmission line tower, which specifically includes the following steps:
[0049] S1. Determine whether the current operating conditions of the transmission line will cause a flashover fault;
[0050]Compare the currently measured lightning current amplitude, ice thickness, equivalent salt density, and windage gap with the corresponding critical threshold when the insulator flashover occurs. If the corresponding crit...
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