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

Table 3

The error variances of icing load prediction in same icing process for the second serious icing process (1/10/2010~1/12/2010).

Prediction length 𝑘	1	2	3	4	5	6
Standard deviation (multivariable prediction based on BPNN)	136.1	149.4	172.5	210.6	282.1	313.6
Standard deviation (single variable prediction based on ARIMA)	145.2	204.9	288.7	293.6	368.4	407.4