ACSR (ACSR)

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Key words:

Aluminum Conductor Steel Reinforced (ACSR) is an overhead power transmission conductor consisting of a steel core and stranded aluminum wires. It is a type of power transmission material. The steel core provides mechanical strength, while the aluminum layer conducts electricity. The performance is optimized by combining the lightweight and high conductivity of aluminum with the tensile strength of steel. ACSR features simple structure, convenient installation and maintenance, low line cost, large transmission capacity, and suitability for laying across rivers and valleys in challenging geographical conditions. It also possesses good conductivity, sufficient mechanical strength, high tensile strength, and allows for increased tower spacing. Therefore, it is widely used in overhead power transmission and distribution lines of various voltage levels.

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Table 1 Performance of JL/G1A, JL/G2A, JL/G3A, JL1/G1A, JL1/G2A, JL1/G3A, L2/G1A, JL2/G2A, JL2/G3A and JL3/G1A, JL3/G2A, JL3/G3A ACSR

Nominal section aluminum/steel	Steel ratio%	Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm		Mass per unit length kg/km	Rated breaking force/kN						20 ℃ DC resistance Ω/km
		Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm			JL,JL1			JL2,JL3			20 ℃ DC resistance Ω/km
		Aluminum	Steel	Sum	Aluminum	Steel	Aluminum	Steel	Steel core	Strand		G1A	G2A	G3A	G1A	G2A	G3A	L	L1	L2	L3
10/2	16.7	10.6	1.78	12.4	6	1	1.5	1.5	1.5	4.5	42.8	4.14	4.38	4.63	3.87	4.12	4.36	2.7062	2.6842	2.6625	2.6413
16/3	16.7	16.1	2.69	18.8	6	1	1.85	1.85	1.85	5.55	65.2	6.13	6.51	6.88	5.89	6.26	6.64	1.7791	1.7646	1.7504	1.7364
25/4	167	24.9	4.15	29.1	6	1	2.3	2.3	2.3	6.9	100.7	9.10	9.68	10.22	8.97	9.66	10.10	1.1610	1.1417	1.132E	1.1234
35/6	16.7	34.9	5.81	40.7	6	1	2.72	2.72	2.72	8.16	140.9	12.55	13.36	14.12	12.55	13.36	14.12	0.8230	0.8163	0.8097	0.8033
40/6	16.7	39.9	6.85	46.6	6	1	2.9	2.91	2.91	8.73	161.2	14.37	15.30	16.16	14.37	15.30	16.16	0.7190	0.7132	0.7074	0.7018
50/8	16.7	48.3	8.04	56.3	6	1	3.2	3.2	3.2	9.6	195.0	16.81	17.93	19.06	16.81	17.93	19.06	0.5946	0.5898	0.5850	0.5804
50/30	58.3	50.7	29.6	80.3	12	7	2.32	2.32	6.96	11.6	371.3	42.61	46.75	50.60	42.61	46.75	50.60	0.5693	0.5646	0.5601	0.5556
65/10	16.7	63.1	10.5	73.6	6	1	3.66	3.66	3.66	11	255.1	21.67	22.41	24.20	21.67	22.41	24.20	0.4546	0.4509	0.4472	0.4436
70/10	16.7	68.0	11.3	79.3	6	1	3.8	3.8	3.8	11.4	275.0	23.36	24.16	26.08	23.36	24.16	26.08	0.4217	0.4182	0.4149	0.4116
70/40	58.3	69.7	40.7	110	12	7	2.72	2.72	8.16	13.6	510.4	58.22	63.92	69.21	58.22	63.92	69.21	0.4141	0.4108	0.4075	0.4042
95/15	16.2	94.4	15.3	110	26	7	2.15	1.67	5.01	13.6	380.5	34.93	37.08	39.22	33.99	36.13	38.28	0.3059	0.3034	0.3010	0.2986
95/20	19.8	95.1	18.8	114	7	7	4.16	1.85	5.55	13.9	408.5	37.24	39.87	42.51	37.24	39.87	42.51	0.3020	0.2996	0.2972	0.2948
95/55	58.3	96.5	56.3	153	12	7	3.2	3.2	9.6	16	706.4	77.85	85.73	93.61	77.85	85.73	93.61	0.2992	0.2968	0.2944	0.2920
100/17	16.7	100	16.7	117	6	1	4.61	4.61	4.61	13.8	404.7	34.38	35.55	38.39	34.38	35.55	38.39	0.2865	0.2842	0.2819	0.2796
120/7	5.6	119	6.6	125	18	1	2.9	2.9	2.9	14.5	378.9	27.74	28.67	29.53	27.74	28.67	29.53	0.2422	0.2403	0.2383	0.2364
120/20	16.3	116	18.8	134	26	7	2.38	1.85	5.55	15.1	466.4	42.26	44.89	47.53	41.68	44.31	46.95	0.2496	0.2476	0.2456	0.2436
120/25	19.8	122	24.2	147	7	7	4.72	2.1	6.3	15.7	526.0	47.96	51.36	54.75	47.96	51.36	54.75	0.2346	0.2327	0.2308	0.2290
120/70	58.3	122	71.3	193	12	7	3.6	3.6	10.8	18	894.0	97.92	102.9	115.0	97.92	102.9	115.0	0.2364	0.2345	0.2326	0.2307
125/7	5.6	125	6.93	132	18	1	2.97	2.97	2.97	14.9	397.4	29.10	30.07	30.97	29.10	30.07	30.97	0.2310	0.2291	0.2272	0.2254
125/20	16.3	125	20.3	145	26	1	2.47	1.92	5.76	15.6	502.4	45.51	48.35	51.19	44.89	47.73	50.57	0.2318	0.2299	0.2280	0.2262

Nominal section aluminum/steel	Steel ratio%	Calculated area mm			single line root number n		Single line diameter mm		Diameter mm		Mass per unit length kg/km	Rated breaking force/kN			20 ℃ DC resistance Ω/km
		Calculated area mm			single line root number n		Single line diameter mm		Diameter mm			JL,JL1,JL2,JL3			20 ℃ DC resistance Ω/km
		Aluminum	Steel	Sum	Aluminum	Steel	Aluminum	Steel	Steel core	Strand		G1A	G2A	G3A	L	L1	L2	L3
150/8	5.6	145	8.04	153	18	1	3.20	3.20	3.20	16.0	461.3	32.73	33.86	34.98	0.1990	0.1973	0.1957	0.1942
150/20	12.9	146	18.8	164	24	7	2.78	1.85	5.55	16.7	549.0	46.78	49.41	52.05	0.1981	0.1964	0.1949	0.1933
150/25	16.3	149	24.2	173	26	7	2.70	2.10	6.30	17.1	600.5	53.67	57.07	60.46	0.1940	0.1924	0.1908	0.1893
150/35	23.3	147	34.4	182	30	7	2.50	2.50	7.50	17.5	675.4	64.94	69.75	74.22	0.1962	0.1946	0.1930	0.1915
160/9	5.6	160	8.87	168	18	1	3.36	3.36	3.36	16.8	508.6	36.09	37.33	38.57	0.1805	0.1790	0.1775	0.1761
185/10	5.6	183	10.2	193	18	1	3.60	3.60	3.60	18.0	583.8	40.51	41.22	42.95	0.1572	0.1559	0.1547	0.1534
185/25	13.0	187	24.2	211	24	7	3.15	2.10	6.30	18.9	705.5	59.23	62.62	66.02	0.1543	0.1530	0.1518	0.1506
185/30	16.3	181	29.6	211	26	7	2.98	2.32	6.96	18.9	732.0	64.56	68.70	72.55	0.1592	0.1579	0.1567	0.1554
185/45	23.3	185	43.1	228	30	7	2.80	2.80	8.40	19.6	847.2	80.54	86.57	92.18	0.1564	0.1551	0.1539	0.1527
200/11	5.6	200	11.1	211	18	1	3.76	3.76	3.76	18.8	636.9	44.19	44.97	46.86	0.1441	0.1429	0.1418	0.1406
210/10	5.6	204	11.3	215	18		3.80	3.80	3.80	19.0	650.5	45.14	45.93	47.86	0.1411	0.1399	0.1388	0.1377
210/25	13.0	209	27.1	236	24	7	3.33	2.22	6.66	20.0	788.4	66.19	69.98	73.78	0.1380	0.1369	0.1358	0.1347
210/35	16.2	212	34.4	246	26	7	3.22	2.50	7.50	20.4	853.1	74.11	78.92	83.38	0.1364	0.1353	0.1342	0.1331
210/50	23.3	209	48.8	258	30	7	2.98	2.98	8.94	20.9	959.7	91.23	98.06	104.4	0.1381	0.1370	0.1359	0.1348
240/30	13.0	244	31.7	276	24	7	3.60	2.40	7.20	21.6	921.5	75.19	79.62	83.74	0.1181	0.1171	0.1162	0.1153
240/40	16.3	239	38.9	278	26	7	3.42	2.66	7.98	21.7	963.5	83.76	89.2	94.26	0.1209	0.1199	0.1189	0.1180
240/55	23.3	241	56.3	298	30	7	3.20	3.20	9.60	22.4	1106.6	101.7	109.6	117.5	0.1198	0.1188	0.1178	0.1169
250/25	9.8	250	24.5	274	22	7	3.80	2.11	6.33	21.5	879.4	68.56	71.99	75.41	0.1156	0.1147	0.1137	0.1128
250/40	16.3	250	40.7	291	26	7	3.50	2.72	8.16	22.2	1008.6	87.64	93.34	98.63	0.1154	0.1145	0.1136	0.1127
300/15	5.2	297	15.3	312	42	7	3.00	1.67	5.01	23.0	940.2	58.41	70.56	72.70	0.0973	0.0965	0.0958	0.0950

Nominal section aluminum/steel	Steel ratio%	Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm		Mass per unit length kg/km	Rated breaking force/kN			20 ℃ DC resistance Q/km
		Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm			JL,JL1,JL2,JL3			20 ℃ DC resistance Q/km
		Aluminum	Steel	Sum	Aluminum	Steel	Aluminum	Steel	Steel core	Strand		G1A	G2A	G3A	L	L1	L2	L3
300/20	6.2	303	18.8	322	45	7	2.93	1.85	5.55	23.1	985.4	73.60	76.23	78.86	0.0952	0.0945	0.0937	0.0929
300/25	8.8	306	27.1	333	48	7	2.85	2.22	6.66	23.8	1057.9	83.76	87.55	91.34	0.0944	0.0936	0.0928	0.0921
300/40	13.0	300	38.9	339	24	7	3.99	2.66	7.98	23.9	1132.0	92.36	97.81	102.9	0.0961	0.0954	0.0946	0.0938
300/50	16.3	300	48.8	348	26	7	3.83	2.98	8.94	24.3	1208.6	103.6	110.4	116.8	0.0964	0.0956	0.0948	0.0941
300/70	23.3	305	71.3	377	30	7	3.60	3.60	10.8	25.2	1400.6	127.2	132.2	144.3	0.0946	0.0939	0.0931	0.0924
315/22	6.9	316	21.8	338	45	7	2.99	1.99	5.97	23.9	1043.2	79.19	82.24	85.28	0.0914	0.0907	0.0900	0.0893
400/20	5.1	406	20.9	427	42	7	3.51	1.95	5.85	26.9	1286.3	89.48	92.41	95.34	0.0711	0.0705	0.0700	0.0694
400/25	6.9	392	27.1	419	45	7	3.33	2.22	6.66	26.6	1294.7	96.37	100.2	104.0	0.0737	0.0731	0.0725	0.0720
400/35	8..8	391	34.4	425	48	7	3.22	2.50	7.50	26.8	1348.6	103.7	108.5	112.9	0.0739	0.0733	0.0727	0.0721
400/50	13.0	400	51.8	452	54	7	3.07	3.07	9.21	27.6	1510.5	123.0	130.2	137.5	0.0724	0.0718	0.0712	0.0706
400/65	16.3	399	65.1	464	26	7	4.42	3.44	10.3	28.0	1610.0	135.4	144.5	153.6	0.0724	0.0718	0.0712	0.0706
400/95	22.9	408	93.3	501	30	19	4.16	2.50	12.5	29.1	1857.9	171.6	184.6	196.7	0.0709	0.0703	0.0697	0.0692
450/30	6.9	450	31.1	482	45	7	3.57	2.38	7.14	28.6	1488.0	107.6	111.9	116.0	0.0641	0.0636	0.0631	0.0626
450/60	13.0	451	58.4	509	54	7	3.26	3.26	9.78	29.3	1703.2	138.6	146.8	155.0	0.0642	0.0636	0.0631	0.0626
500/35	6.9	500	34.6	534	45	7	3.76	2.51	7.53	30.1	1651.3	119.4	124.3	128.8	0.0578	0.0574	0.0569	0.0564
500/45	8.8	489	43.1	532	48	7	3.60	2.80	8.40	30.0	1687.0	127.3	133.3	138.9	0.0591	0.0587	0.0582	0.0577
500/65	13.0	499	64.7	564	54	7	3.43	3.43	10.3	30.9	1885.5	153.5	162.5	171.6	0.0580	0.0575	0.0570	0.0566
560/40	6.9	560	38.6	598	45	7	3.98	2.65	7.95	31.8	1848.7	133.6	139.0	144.0	0.0516	0.0512	0.0508	0.0504
560/70	12.7	559	70.9	630	54	19	3.63	2.18	10.9	32.7	2101.8	172.4	182.3	192.2	0.0518	0.0513	0.0509	0.0505
630/45	6.9	629	43.4	673	45	7	4.22	2.81	8.43	33.8	2078.4	150.2	156.3	161.9	0.0459	0.0455	0.0452	0.0448

Nominal section aluminum/steel	Steel ratio%	Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm		Mass per unit length kg/km	Rated breaking force/kN			20 ℃ DC resistance Ω/km
		Calculated area mm²			single line root number n		Single line diameter mm		Diameter mm			JL,JL1,JL2,JL3			20 ℃ DC resistance Ω/km
		Aluminum	Steel	Sum	Aluminum	Steel	Aluminum	Steel	Steel core	Strand		Cheap price (high)	G2A	G3A	L	L1	L2	L3
630/55	8.8	640	56.3	696	48	7	4.12	3.20	9.60	34.3	2208.3	164.3	172.2	180.1	0.0452	0.0448	0.0444	0.0441
630/80	12.7	629	79.6	708	54	19	3.85	2.31	11.6	34.7	2363.1	191.4	202.5	212.9	0.0460	0.0456	0.0453	0.0449
710/50	6.9	709	49.2	758	45	7	4.48	2.99	8.97	35.9	2344.2	169.5	176.4	182.8	0.0407	0.0404	0.0401	0.0398
710/90	12.6	709	89.6	799	54	19	4.09	2.45	12.3	36.8	2664.6	215.6	228.2	239.8	0.0408	0.0404	0.0401	0.0398
720/50	6.9	725	50.1	775	45	7	4.53	3.02	9.06	36.2	2395.9	171.2	178.2	185.2	0.0398	0.0395	0.0392	0.0389
800/35	4.3	799	34.6	834	72	7	3.76	2.51	7.53	37.6	2481.7	159.0	163.6	167.9	0.0362	0.0359	0.0356	0.0353
800/55	6.9	814	56.3	871	45	7	4.80	3.20	9.80	38.4	2690.0	192.2	200.1	208.0	0.0355	0.0352	0.0349	0.0346
800/65	8.3	799	66.6	866	84	7	3.48	3.48	10.4	38.3	2731.7	194.8	203.7	212.5	0.0362	0.0359	0.0356	0.0354
800/70	8.8	808	71.3	879	48	7	4.63	3.60	10.8	38.6	2790.1	207.7	212.7	224.8	0.0358	0.0355	0.0352	0.0349
800/100	12.7	799	102	901	54	19	4.34	2.61	13.1	39.1	3006.6	243.7	257.9	271.1	0.0362	0.0359	0.0356	0.0353
900/40	4.3	900	38.9	939	72	7	3.99	2.66	7.98	39.9	2793.8	179.0	184.1	188.9	0.0321	0.0319	0.0316	0.0314
900/75	8.3	898	74.9	973	84	7	3.69	3.69	11.1	40.6	3071.3	214.8	219.7	231.8	0.0322	0.0320	0.0317	0.0314
1000/45	4.3	1002	43.1	1045	72	7	4.21	2.80	8.40	42.1	3108.8	199.0	204.8	210.1	0.0289	0.0286	0.0284	0.0282
1000/80	8.1	1003	81.7	1085	84	19	3.90	2.34	11.7	42.9	3418.0	241.0	251.9	262.0	0.0288	0.0286	0.0284	0.0282
1120/50	4.2	1120	47.3	1167	72	19	4.45	1.78	8.90	44.5	3467.7	222.8	229.1	235.3	0.0258	0.0256	0.0254	0.0252
1120/90	8.1	1120	91.0	1211	84	19	4.12	2.47	12.4	45.3	3813.4	268.8	280.9	292.2	0.0258	0.0256	0.0254	0.0252
1250/70	5.6	1252	70.1	1322	76	7	4.58	3.57	10.7	47.4	4011.1	263.5	268.2	279.5	0.0231	0.0229	0.0227	0.0225
1250/100	8.1	1248	102	1350	84	19	4.35	2.61	13.1	47.9	4252.3	299.8	313.4	325.9	0.0232	0.0230	0.0228	0.0226
1400/135	9.6	1400	134	1534	88	19	4.50	3.00	15.0	51.0	4926.4	358.2	376.0	392.6	0.0207	0.0205	0.0203	0.0202
1440/120	8.1	1439	117	1556	84	19	4.67	2.80	14.0	51.4	4899.7	345.4	361.0	375.4	0.0201	0.0200	0.0198	0.0196