Heat Transfer Simulation and Temperature Rapid Prediction for Trench Laying Cable

Table 7

The prediction and simulation results of cable maximum temperature for different loops in the trench (5 random test samples for the flat-type trench laying cable models).

	Case	Tsur (K)		I1 (A)	I2 (A)		I3 (A)		I4 (A)
Input	1	304.33		941.11	825.35		485.39		1055.20
	2	284.10		231.00	594.87		543.40		888.97
	3	291.46		915.68	368.19		640.79		601.03
	4	310.67		337.14	943.24		684.51		1096.52
	5	305.59		275.99	559.80		433.88		920.06
	Case	LFVPSO-BPNN				COMSOL Multiphysics
		Tmax,1 (K)	Tmax,2 (K)	Tmax,3 (K)	Tmax,4 (K)	Tmax,1 (K)	Tmax,2 (K)	Tmax,3 (K)	Tmax,4 (K)
Output	1	355.53	348.99	336.81	364.49	354.91	348.70	336.03	363.27
	2	297.51	307.24	304.27	322.88	298.35	307.83	305.95	322.32
	3	331.44	309.58	319.49	315.85	331.42	309.83	319.21	317.43
	4	337.21	360.46	346.99	371.73	336.68	360.09	347.39	371.04
	5	318.92	326.98	322.51	344.59	319.33	326.85	322.64	343.92