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

Table 2

The error variances of icing load prediction in same icing process for the first serious icing process from (12/17/2009~12/20/2009).

Prediction length 𝑘	1	2	3	4	5	6
Standard deviation (multivariable prediction based on BPNN)	108.6	134.5	142.8	181.7	255.6	297.5
Standard deviation (single variable prediction based on ARIMA)	151.9	194.7	263.5	289.3	320.1	386.2