A risk assessment method for transmission line icing
A transmission line and risk assessment technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as inability to determine levels, and achieve the effect of ensuring safe and stable operation, convenient operation, and simple calculation ideas
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[0026] The embodiments will be described in detail below in conjunction with the accompanying drawings.
[0027] 1 Risk level definition of transmission line icing state
[0028] According to the possible impact degree, scope and development trend of the icing event on the transmission line, the present invention divides the risk level of the icing state of the transmission line into five levels according to the ice thickness range: level I (mild), level II (general), grade III (moderate), grade IV (severe), and grade V (very serious), which are represented by gray, blue, yellow, orange and red in turn, as shown in Table 1.
[0029] Table 1 Classification of icing risk levels
[0030]
[0031] Level I icing: mild icing, ice thickness ranges from 0 to 5mm, short icing time, small changes in meteorological factors, slow growth rate of icing, low degree of harm, icing on lines can fall off naturally.
[0032] Class II icing: general icing, the thickness of the ice is 5-10mm,...
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