EXTRA-THERMAL RESISTANT ALUMINUM ALLOY CONDUCTORS ALUMINUM-CLAD INVAR REINFORCED (XTACIR /AW)

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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Construction

Core wire (INVAR): Aluminum-clad INVAR Wire

Conductor (XTAL) : Extra Thermal Resistant Aluminum Alloy wire used for continuous allowable temperature up to 230oC

Standard

IEC, ASTM, JCS 1404

Application

XTACIR is normally used to up-rate an existing transmission line by simply replacing the existing conductor without tower modification or reinforcement.

Conductor size	Cross-sectional Area		Conductor construction		Approx. Overall diameter	Approx. Overall weight	Maximum DC resistance at 20^oC	Minimum breaking load	Modulus of Elasticity		Coefficient of Linear Expansion
	XTAL	AL-Clad invar	XTAL	AL-Clad invar					Up to transition point temperature	Over transition point temperature	Up to transition point temperature	Over transition point temperature
mm²	mm²	mm²	No.xmm	No.xmm	mm	kg/km	Ω/km	kN	Kgf/ mm²		x10-6/^oC
160	153.1	49.48	24/2.85	7/3.0	17.3	774.6	0.1840	68.6	83.8	152.0	14.5	10.8
200	187.0	63.55	24/3.15	7/3.4	19.2	968.6	0.1500	83.4	84.7	152.0	14.2	10.8
240	224.4	79.38	24/3.45	7/3.8	21.2	1,184	0.1240	102.8	85.4	152.0	14.0	10.8
320	309.1	79.38	24/4.05	7/3.8	23.8	1,418	0.0924	114.3	80.2	152.0	15.5	10.8
400	381.6	101.6	24/4.50	7/4.3	26.6	1,776	0.0747	139.8	80.8	152.0	15.4	10.8
600	572.0	137.5	28/5.10	7/5.0	32.2	2,556	0.0503	197.1	79.3	152.0	15.8	10.8