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AAAC All Aluminium Alloy Conductor IEC 61089 Standard

AAAC All Aluminium Alloy Conductor IEC 61089 Standard

Concentric lay stranded Aluminium Alloy Conductors (AAAC) are made out of high strength Aluminium-Magnesium-Silicon Alloy wires.

Applications

AAAC Aluminium Alloy Conductors are used for primary and secondary overhead power transmission lines having long spans and high resistance to corrosion.

AAAC Aluminium Alloy Conductor cables offer excellent electrical characteristics, excellent sag-tension characteristics and superior corrosion resistance to that of ACSR.

Construction

AAAC cable consists of aluminum alloy wires.

The aluminum alloy wires are concentrically lay stranded.

Aluminum Alloy Wires Strands: 7, 19, 37, 61, 91 etc.

Feature

1. Good corrosion resistanceAAAC conductors have good corrosion resistance because they consist only of aluminum alloy wires, they have better corrosion resistance than ACSR.

2. Better strength to weight ratioCompared with ACSR,AAAC can get better strength to weight ratio and provide improved electrical properties.

Electrical Properties

Density at 20°C	2.70 kg/dm
Temperature Coefficient at 20°C	0.00360 (°C)
Resistivity at 20°C	0.0326 Ohms mm²/m
Linear Expansivity	23 x10^-6(°C)

Standard

BS 3242 / BS EN 50182 / IEC 61089 / ASTM B 399/B 399M / DIN 48201-6

Packing material

Wooden drum, steel-wooden drum, steel drum.

Specification

IEC 61089 Specification for Round wire concentric lay overhead electrical stranded conductors.

Specifications

Code	Nominal Area	Stranding	Overall Diameter	Weight	Rated Strength	Electrical Resistance	Current Rating
	mm²	No./mm	mm	kg/km	KN	Ω/KM	A
16	18.4	7/1.83	5.49	50.4	5.43	1.7896	86
25	28.8	7/2.29	6.87	78.7	8.49	1.1453	113
40	46	7/2.89	8.67	125.9	13.58	0.7158	151
63	72.5	7/3.63	10.89	198.3	21.39	0.4545	200
100	115	19/.78	13.9	316.3	33.95	0.2877	266
125	144	19/3.1	15.5	395.4	42.44	0.2302	305
160	184	19/3.51	17.55	506.1	54.32	0.1798	355
200	230	19/3.93	19.65	632.7	67.91	0.1439	407
250	288	19/4.39	21.95	790.8	84.88	0.1151	466
315	363	37/3.53	24.71	998.9	106.95	0.0916	535
400	460	37/3.98	27.86	1268.4	135.81	0.0721	618
450	518	37/4.22	29.54	1426.9	152.79	0.0641	663
500	575	37/4.45	31.15	1585.5	169.76	0.0577	706
560	645	61/3.67	33.03	1778.4	190.14	0.0516	755
630	725	61/3.89	35.01	2000.7	213.9	0.0458	809
710	817	61/4.13	37.17	2254.8	241.07	0.0407	866
800	921	61/4.38	39.42	2540.6	271.62	0.0361	928
900*	1036	91/3.81	41.91	2861.1	305.58	0.0321	992
1000*	1151	91/4.01	44.11	3179	339.53	0.0289	1051
1120*	1289	91/4.25	46.75	3560.5	380.27	0.0258	1118
1250*	1439	91/4.49	49.39	3973.7	424.41	0.0231	1185

Note: The values of current rating mentioned in above Table are based on wind velocity of 0.6 metre/second, solar heat radiation of 1200 watt/metre2, ambient temperature of 50°C & conductor temperature of 80°C.