Comparison of Electrical Performance Parameters Between Rare Earth Aluminum Alloy Cables and Copper Cables

Comparison of DC Resistance at 20℃ between Rare Earth Aluminum Alloy Conductors and Copper Conductors

Copper Cross-section（mm2）	DC Resistance of Copper（Ω）	Cross-section of Rare Earth Aluminum Alloy（mm2）	DC Resistance of Rare Earth Aluminum Alloy（Ω）
10	1.83	16	1.91
16	1.15	25	1.20
25	0.727	35	0.868
35	0.524	50	0.641
50	0.387	70	0.443
70	0.268	120	0.253
95	0.193	150	0.206
120	0.153	185	0.164
150	0.124	240	0.125
185	0.0991	300	0.100
240	0.0754	400	0.0778
300	0.0601	500	0.0605
400	0.0470	630	0.0469

Current-carrying Capacity Comparison & Selection Table for Rare Earth Aluminum Alloy Cables and Copper Cables

Cable Type		Cable Current-Carrying Capacity（A）
Nominal Cross-section mm2		0.6/1kv		8.7/15kv			26/35kv
Copper	Rare Earth Aluminum Alloy	Copper Cable	Rare Earth Aluminum Alloy Cable	Copper Cable	Rare Earth Aluminum Alloy Cable	Copper Cable		Rare Earth Aluminum Alloy Cable
25	35	120	122
35	50	150	156	175	175
50	70	196	198	205	214	220		224
70	120	255	276	305	333	270		309
95	150	310	325	370	388	330		355
120	185	360	372	430	440	375		401
150	240	419	443	490	521	425		472
185	300	479	518	560	603	485		548
240	400	565	639	665	722	560		648
300	500	643	765	765	813	650		727
400	630	771	851	890	934	760		831