THERMAL RESISTANT ALUMINUM ALLOY CONDUCTORS (TAL)

LS Cable & System overhead wire is composed of ACSR and overhead ground wire. They are normally installed on steel towers, and recently the usage of high-capacity conductors for high-capacity transmission among power cables is increasing

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Characteristics

Thermal Resistant Aluminum Alloy

Continuously allowable temperature up to 150°C

58% or 60% IACS conductivity

Standard

JEC 3406; IEC 62004; 1EC 61089

Feature & Benefit

For upgrading existing transmissions line:

1.Increase current carrying capacity, transmission power

2.No modification / reinforcement on existing tower

3.Short construction period with low cost

For new line:

1.Lower tower

2.Less tower

JEC 3406 Standard – TAL Conductors (60% IACS Conductivity)

Nominal cross-section area	Construction	Calculated cross-section area	Approx. Overall diameter	Approx. Overall weight	Maximum DC resistance at 20^oC	Rated strength
mm²	No.xmm	mm²	mm	kg/km	Ω/km	kN
240	19 x 4.0	238.8	20.0	655	0.1220	34.2
400	37 x 3.7	397.8	25.9	1097	0.0737	58.0
510	37 x 4.2	512.5	29.4	1413	0.0571	73.3
660	61 x 3.7	655.8	33.3	1812	0.0448	95.6
850	61 x 4.2	844.9	37.8	2334	0.0342	120.9
980	91 x 3.7	978.3	40.7	2714	0.0302	142.7
1030	91 x 3.8	1032	41.8	2864	0.0286	150.5
1260	91 x 4.2	1260	46.2	3499	0.0234	180.3
1600	127 x 4.0	1596	52.0	4440	0.0186	228.5
2020	127 x 4.5	2019	58.5	5616	0.0147	289.0
2500	127 x 5.0	2494	65.0	6937	0.0118	357.0

JEC 3406 Standard – TAL Conductors (58% IACS Conductivity)

Nominal cross-section area	Construction	Calculated cross-section area	Approx. Overall diameter	Approx. Overall weight	Maximum DC resistance at 20^oC	Rated strength
mm²	No.xmm	mm²	mm	kg/km	Ω/km	kN
240	19 x 4.0	238.8	20.0	655	0.1260	34.2
400	37 x 3.7	397.8	25.9	1097	0.0764	58.0
510	37 x 4.2	512.5	29.4	1413	0.0593	73.3
660	61 x 3.7	655.8	33.3	1812	0.0465	95.6
850	61 x 4.2	844.9	37.8	2334	0.0361	120.9
980	91 x 3.7	978.3	40.7	2714	0.0313	142.7
1030	91 x 3.8	1032	41.8	2864	0.0296	150.5
1260	91 x 4.2	1260	46.2	3499	0.0243	180.3
1600	127 x 4.0	1596	52.0	4440	0.0191	228.5
2020	127 x 4.5	2019	58.5	5616	0.0152	289.0
2500	127 x 5.0	2494	65.0	6937	0.0122	357.0