STACIR/AW conductor, as known, Super Thermal Alloy Conductor Invar Reinforced (STACIR)ACCC® INVAR is a metal alloy with 36% nickel in the steel. STACIR/AW conductors are suitable for re-conductor applications. The capacity of existing transmission lines can be increased by simply replacing the existing conductors without any modifications to the towers.

STACIR/AW conductor is a new type of overhead conductor. The use of trapezoidal wire increases the cross-sectional area of the conductor so that the conductor has the effect of increasing the conductive capacity.

Under the same size, STACIR/AW conductors have better current carrying capacity than traditional conductors.

At the same time, the INVAR conductor is composed of an aluminum-clad invar core and thermal-resistant aluminum alloy wires. This conductor is suitable for old-line modification. It can keep the same sag while increasing capacity.

The main aspect of this type of conductor is the possibility of sliding between the outer layer and the core. Steel and aluminum are independent, so at high temperatures, the outer layer may stay on the steel core.
The outer conductive layer is made of super heat-resistant Al-Zr alloy, and the working temperature can reach 210°C.

The main features of this product series are:

INVAR core and outer layer independently have knee points at the installation temperature
Limit the sag as the temperature increases
The thermal expansion coefficient above the knee point related to the INVAR core maintains the mechanical strength of the conductor, and the continuous working temperature is up to 210° C
This technique requires a skilled installation expert stage.
It is suitable for ACSR overhead line replacement on flat land or with small level differences.

Related Products

HTLS Conductor Products --- ACCC (Carbon Fiber Composite Core Conductor)

HTLS Conductor Products --- Aluminum Conductor Steel Supported-ACSS and ACSS/TW

Specification of STACIR/AW Conductor:

Code name	Nominal aluminum area mm2	Stranding structure	Total sectional area	Overall Diameter
Al. No.	Al. Dia.	St. No.	St. Dia	mm2	mm
Mole	10	6	1.50	1	1.50	12.39	4.50
Squirrel	20	6	2.11	1	2.11	24.43	6.33
Gopher	25	6	2.36	1	2.36	30.62	7.08
Weasel	30	6	2.59	1	2.59	36.88	7.77
Fox	35	6	2.79	1	2.79	42.77	8.37
Ferret	40	6	3.00	1	3.00	49.48	9.00
Rabbit	50	6	3.35	1	3.35	61.70	10.05
Mink	60	6	3.66	1	3.66	73.71	10.98
Skunk	60	12	2.59	7	2.59	100.30	12.95
Beaver	70	6	3.99	1	3.99	87.29	11.97
Horse	70	12	2.79	7	2.79	116.20	13.95
Racoon	75	6	4.10	1	4.10	92.40	12.30
Otter	80	6	4.22	1	4.22	97.86	13.98
Cat	90	6	4.50	1	4.50	111.30	15.90
Hare	100	6	4.72	1	4.72	122.50	17.50
Dog	100	6	4.72	7	1.57	118.50	14.15
Hyena	100	7	4.39	7	1.93	126.20	14.57
Leopard	125	8	5.28	7	1.75	148.10	15.81
Coyote	125	26	2.54	7	1.91	152.20	15.89
Congar	125	18	3.05	1	3.05	137.50	15.25
Tiger	125	30	2.36	7	2.36	161.70	16.52
Dingo	150	18	3.35	1	3.35	167.50	16.75
Wolf	150	30	2.59	7	2.59	194.90	18.13
Caracal	175	18	3.61	1	3.61	194.50	18.05
Lynx	175	30	2.79	7	2.79	326.20	19.53
Jaguar	200	18	3.86	1	3.86	222.30	19.30
Panther	200	30	3.00	7	3.00	261.50	21.00
Lion	225	30	3.18	7	3.18	294.20	22.26
Bear	250	30	3.35	7	3.35	325.60	23.45
Goat	300	30	3.71	7	3.71	400.00	25.97
Sheep	350	30	3.99	7	3.99	461.40	27.93
Antilope	350	54	2.97	7	2.97	421.50	26.73
Bizon	350	54	3.00	7	3.00	431.30	27.00
Deer	400	30	4.27	7	4.27	529.50	28.89
Zebra	400	54	3.18	7	3.18	484.50	28.62
ELK	450	30	4.50	7	4.50	588.30	31.50
Camel	450	54	3.35	7	3.35	536.80	30.15
Moose	500	54	3.53	7	3.53	597.20	31.77
Finch	500	54	3.65	19	2.29	642.90	33.35

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