Multivariable Time Series Prediction for the Icing Process on Overhead Power Transmission Line

Table 4

The error variances of icing load prediction in different icing process.

Prediction length 𝑘	1	2	3	4	5	6
Standard deviation (multivariable prediction based on BPNN)	71.2	93.5	135.8	178.9	266.6	324.7
Standard deviation (single variable prediction based on ARIMA)	126.3	133.3	171.1	229.9	317.2	356.8