1、Designation: B 911/B 911M 05Standard Specification forACSR Twisted Pair Conductor (ACSR/TP)1This standard is issued under the fixed designation B 911/B 911M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision
2、. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers ACSR Twisted Pair Conductor(ACSR/TP) for use as overhead electric conductors (see Notes1 and 2).NOTE 1Th
3、e conductor is fabricated from two component ACSRconductors of the same size twisted helically around each other. Thisconductor is identified by the code name of the component ACSRconductor followed by /TP or the size and type of the component ACSRconductor followed by /TP.NOTE 2There are registered
4、 trademark symbols that are also used toidentify the twisted pair notation. Consult cable manufacturers foradditional details.1.2 The values stated in inch-pound or SI units are to beregarded separately as standard. Each system shall be usedindependently of the other. Combining values from the twosy
5、stems may result in nonconformance with the specification.For conductor sizes designated by AWG or kcmil, the require-ments in SI units have been numerically converted fromcorresponding values stated or derived in inch-pound units. Forconductor sizes designated by SI units only, the requirementsare
6、stated or derived in SI units.1.2.1 For density, resistivity, and temperature, the valuesstated in SI units are to be regarded as standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to
7、 establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 The following documents of the issue in effect on thedate of material purchase form a part of this specification to theextent referenced herein:2.2 A
8、STM Standards:2B 232/B 232M Specification for Concentric-Lay StrandedAluminum Conductors, Coated Steel Reinforced (ACSR)3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 component conductorsthe two conductors twisted tofabricate the finished ACSR/TP.4. Ordering Information4.1 Or
9、ders for material under this specification shall includethe following information:4.1.1 Quantity of each size,4.1.1.1 Conductor Sizekcmil area of the fabricatedACSR/TP (2 3 kcmil area of one of the component conduc-tors),4.1.2 Conductor type and the number of wires of thecomponent conductors,4.1.3 T
10、he type of steel core wire and type of coating,4.1.4 Place of inspection,4.1.5 Package size and type,4.1.6 Special package markings, if required, and4.1.7 Heavy wood lagging, if required.5. Requirements for Component Conductors5.1 Before twisting, the component conductors shall con-form to the requi
11、rements of Specification B 232.6. Twist6.1 The component conductors shall be twisted about them-selves with a complete twist every 9 ft 6 1 ft. This twist lengthshall be measured between the twisting machine and thetake-up reel with normal take-up tension on the ACSR/TP.NOTE 3The twist length can be
12、 altered as the ACSR/TP is wound uponto the take-up reel. It may not have the same twist length as when theTP is removed from the reel.6.2 The direction of the twist shall be left hand.7. Construction Requirements7.1 Construction requirements are given in Table 1 forACSR/TP.1This specification is un
13、der the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved Oct.1, 2005. Published November 2005. Originallyapproved in 2000. Last previous edition approved in 2000 as B 911/B 911M 00
14、.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box
15、 C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Construction Requirements for TP Type Conductor Using Aluminum Conductor, Steel Reinforced (ACSR)Code WordAEquivalentSize AWG orkcmilComponent Composition Outer Dimensions in.Nominal MassBlb/1000ft Rated Strg. lbCResistanceDOhms/1000ftdc
16、 at 20CAWG orkcmil Aluminum Steel minor majorSwan / TP 1 4 6 3 0.0834 1 3 0.0834 0.250 3 0.500 115 3700 0.2016Swanate / TP 1 4 7 3 0.0772 1 3 0.1029 0.257 3 0.514 115 4720 0.1994Swallow / TP 1/0 3 6 3 0.0937 1 3 0.0937 0.281 3 0.562 145 4600 0.1601Sparrow / TP 2/0 2 6 3 0.1052 1 3 0.1052 0.316 3 0.6
17、32 182 5660 0.1267Sparate / TP 2/0 2 7 3 0.0974 1 3 0.1299 0.325 3 0.650 213 7260 0.1253Robin / TP 3/0 1 6 3 0.1181 1 3 0.1181 0.354 3 0.708 230 7120 0.1005Raven / TP 4/0 1/0 6 3 0.1327 1 3 0.1327 0.398 3 0.796 290 8760 0.0796Quail / TP 266.2 2/0 6 3 0.1489 1 3 0.1489 0.447 3 0.894 336 10600 0.0633P
18、igeon / TP 335.6 3/0 6 3 0.1672 1 3 0.1672 0.502 3 1.004 461 13200 0.0502Penguin / TP 423.2 4/0 6 3 0.1878 1 3 0.1878 0.563 3 1.126 582 16700 0.0398Jaeger / TP 456.4 228.2 18 3 0.1126 1 3 0.1126 0.563 3 1.126 495 12100 0.0376Waxwing / TP 533.6 266.8 18 3 0.1217 1 3 0.1217 0.609 3 1.218 579 13700 0.0
19、322Spoonbill / TP 533.6 266.8 22 3 0.1101 7 3 0.0612 0.624 3 1.248 642 17400 0.0321Scaup / TP 533.6 266.8 24 3 0.1054 7 3 0.0703 0.633 3 1.266 687 20000 0.0320Partridge / TP 533.6 266.8 26 3 0.1013 7 3 0.0788 0.642 3 1.284 734 22600 0.0319Junco / TP 533.6 266.8 30 3 0.0943 7 3 0.0943 0.660 3 1.320 8
20、35 27800 0.0316Ostrich / TP 600.0 300.0 26 3 0.1074 7 3 0.0835 0.680 3 1.360 825 25400 0.0283Merlin / TP 672.8 336.4 18 3 0.1367 1 3 0.1367 0.683 3 1.366 730 17400 0.0255Trogon / TP 672.8 336.4 20 3 0.1297 7 3 0.0576 0.692 3 1.384 757 19000 0.0256Woodcock / TP 672.8 336.4 22 3 0.1237 7 3 0.0687 0.70
21、1 3 1.402 809 21800 0.0255Widgeon / TP 672.8 336.4 24 3 0.1184 7 3 0.0789 0.710 3 1.420 866 25000 0.0254Linnet / TP 672.8 336.4 26 3 0.1137 7 3 0.0884 0.720 3 1.440 925 28200 0.0253Oriole / TP 672.8 336.4 30 3 0.1059 7 3 0.1059 0.741 3 1.482 1053 34600 0.0251Chickadee / TP 795.0 397.5 18 3 0.1486 1
22、3 0.1486 0.743 3 1.486 862 19900 0.0216Ptarmigan / TP 795.0 397.5 20 3 0.1410 7 3 0.0627 0.752 3 1.504 895 22200 0.0216Stork / TP 795.0 397.5 22 3 0.1344 7 3 0.0747 0.762 3 1.524 956 25800 0.0216Brant / TP 795.0 397.5 24 3 0.1287 7 3 0.0858 0.772 3 1.544 1023 29200 0.0215Ibis / TP 795.0 397.5 26 3 0
23、.1236 7 3 0.0961 0.783 3 1.566 1093 32600 0.0214Lark / TP 795.0 397.5 30 3 0.1151 7 3 0.1151 0.806 3 1.612 1244 40600 0.0212Pelican / TP 954.0 477.0 18 3 0.1628 1 3 0.1628 0.814 3 1.628 1035 23600 0.0180Tailorbird / TP 954.0 477.0 20 3 0.1544 7 3 0.0686 0.823 3 1.646 1074 26200 0.0180Toucan / TP 954
24、.0 477.0 22 3 0.1472 7 3 0.0818 0.834 3 1.668 1148 30400 0.0180Flicker / TP 954.0 477.0 24 3 0.1410 7 3 0.0940 0.846 3 1.692 1227 34400 0.0179Hawk / TP 954.0 477.0 26 3 0.1354 7 3 0.1053 0.858 3 1.716 1312 39000 0.0178Hen / TP 954.0 477.0 30 3 0.1261 7 3 0.1261 0.883 3 1.766 1493 47600 0.0177Heron /
25、 TP 1000.0 500.0 30 3 0.1291 7 3 0.1291 0.904 3 1.808 1565 50000 0.0169Nightingale/TP 1034.0 517.0 18 3 0.1694 1 3 0.1694 0.848 3 1.696 1121 25400 0.0166Creeper / TP 1034.0 517.0 20 3 0.1607 7 3 0.0714 0.858 3 1.716 1164 28400 0.0166Osprey / TP 1113.0 556.5 18 3 0.1758 1 3 0.1758 0.879 3 1.758 1207
26、27400 0.0154Tody / TP 1113.0 556.5 20 3 0.1668 7 3 0.0741 0.890 3 1.780 1253 30600 0.0155Sapsucker / TP 1113.0 556.5 22 3 0.1590 7 3 0.0883 0.901 3 1.802 1339 35200 0.0154Parakeet / TP 1113.0 556.5 24 3 0.1523 7 3 0.1015 0.914 3 1.828 1432 39600 0.0153Dove / TP 1113.0 556.5 26 3 0.1463 7 3 0.1138 0.
27、927 3 1.854 1530 45200 0.0153Eagle / TP 1113.0 556.5 30 3 0.1362 7 3 0.1362 0.953 3 1.906 1741 55600 0.0152Kittiwake / TP 1192.0 596.0 18 3 0.1820 1 3 0.1820 0.910 3 1.820 1293 29400 0.0144Skua / TP 1210.0 605.0 20 3 0.1739 7 3 0.0773 0.928 3 1.856 1362 33200 0.0142Peacock / TP 1210.0 605.0 24 3 0.1
28、588 7 3 0.1059 0.953 3 1.906 1557 43200 0.0141Squab / TP 1210.0 605.0 26 3 0.1525 7 3 0.1186 0.966 3 1.932 1664 48600 0.0141Wood Duck/ TP 1210.0 605.0 30 3 0.1420 7 3 0.1420 0.994 3 1.988 1893 57800 0.0140Teal / TP 1210.0 605.0 30 3 0.1420 19 3 0.0852 0.994 3 1.988 1877 60000 0.0140Swift / TP 1272.0
29、 636.0 36 3 0.1329 1 3 0.1329 0.930 3 1.860 1286 27600 0.0135Kingbird / TP 1272.0 636.0 18 3 0.1880 1 3 0.1880 0.940 3 1.880 1379 31400 0.0135Turacos / TP 1272.0 636.0 20 3 0.1783 7 3 0.0792 0.951 3 1.902 1432 34800 0.0135Rook / TP 1272.0 636.0 24 3 0.1628 7 3 0.1085 0.977 3 1.954 1530 45200 0.0134G
30、rosbeak / TP 1272.0 636.0 26 3 0.1564 7 3 0.1216 0.990 3 1.980 1637 50400 0.0134Scoter / TP 1272.0 636.0 30 3 0.1456 7 3 0.1456 1.019 3 2.038 1749 60800 0.0133Egret / TP 1272.0 636.0 30 3 0.1456 19 3 0.0874 1.019 3 2.038 1974 63000 0.0133Siskin / TP 1333.2 666.6 20 3 0.1826 7 3 0.0812 0.974 3 1.948
31、1501 36600 0.0129Flamingo / TP 1333.2 666.6 24 3 0.1667 7 3 0.1111 1.000 3 2.000 1715 47600 0.0128Gannet / TP 1333.2 666.6 26 3 0.1601 7 3 0.1245 1.014 3 2.028 1833 52800 0.0128Dunlin / TP 1431.0 715.5 20 3 0.1891 7 3 0.0840 1.008 3 2.016 1611 39200 0.0120Stilt / TP 1431.0 715.5 24 3 0.1727 7 3 0.11
32、51 1.036 3 2.072 1841 51000 0.0119Starling / TP 1431.0 715.5 26 3 0.1659 7 3 0.1290 1.051 3 2.102 1968 56800 0.0119Redwing / TP 1431.0 715.5 30 3 0.1544 19 3 0.0926 1.081 3 2.162 2220 69200 0.0118Coot / TP 1590.0 795.0 36 3 0.1486 1 3 0.1486 1.040 3 2.080 1607 33400 0.0108Macaw / TP 1590.0 795.0 42
33、3 0.1376 7 3 0.0764 1.055 3 2.110 1715 40200 0.0108Turbit / TP 1590.0 795.0 20 3 0.1994 7 3 0.0886 1.063 3 2.126 1790 43600 0.0108Tern / TP 1590.0 795.0 45 3 0.1329 7 3 0.0886 1.063 3 2.126 1790 44200 0.0108Puffin / TP 1590.0 795.0 22 3 0.1901 7 3 0.1056 1.077 3 2.154 1913 49600 0.0108Cuckoo / TP 15
34、90.0 795.0 24 3 0.1820 7 3 0.1213 1.092 3 2.184 2046 55800 0.0107Condor / TP 1590.0 795.0 54 3 0.1213 7 3 0.1213 1.092 3 2.184 2046 56400 0.0107B 911/B 911M 052TABLE 1 ContinuedCode WordAEquivalentSize AWG orkcmilComponent Composition Outer Dimensions in.Nominal MassBlb/1000ft Rated Strg. lbCResista
35、nceDOhms/1000ftdc at 20CAWG orkcmil Aluminum Steel minor majorDrake / TP 1590.0 795.0 26 3 0.1749 7 3 0.1360 1.108 3 2.216 2186 63000 0.0107Mallard / TP 1590.0 795.0 30 3 0.1628 19 3 0.0977 1.140 3 2.280 2467 76800 0.0106Surfbird / TP 1749.0 874.5 20 3 0.2091 7 3 0.0929 1.115 3 2.230 1969 47400 0.00
36、98Turnstone / TP 1800.0 900.0 20 3 0.2121 7 3 0.0943 1.131 3 2.262 2026 48200 0.0096Ruddy / TP 1800.0 900.0 45 3 0.1414 7 3 0.0943 1.131 3 2.262 2026 48800 0.0096Canary / TP 1800.0 900.0 54 3 0.1291 7 3 0.1291 1.162 3 2.324 2316 63800 0.0095Catbird / TP 1908.0 954.0 36 3 0.1628 1 3 0.1628 1.140 3 2.
37、280 1929 39600 0.0090Phoenix / TP 1908.0 954.0 42 3 0.1507 7 3 0.0387 1.155 3 2.310 2058 46800 0.0090Corncrake/ TP 1908.0 954.0 20 3 0.2184 7 3 0.0971 1.165 3 2.330 2148 51200 0.0090Rail / TP 1908.0 954.0 45 3 0.1456 7 3 0.0971 1.165 3 2.330 2148 51800 0.0090Towhee / TP 1908.0 954.0 48 3 0.1410 7 3
38、0.1097 1.175 3 2.350 2245 57000 0.0090Redbird / TP 1908.0 954.0 24 3 0.1994 7 3 0.1329 1.196 3 2.392 2455 67000 0.0089Cardinal / TP 1908.0 954.0 54 3 0.1329 7 3 0.1329 1.196 3 2.392 2455 67600 0.0090Canvasback /TP 1908.0 954.0 30 3 0.1783 19 3 0.1070 1.248 3 2.497 2961 92200 0.0089Snowbird / TP 2067
39、.0 1033.5 42 3 0.1569 7 3 0.0872 1.203 3 2.406 2230 50800 0.0083Ortolan / TP 2067.0 1033.5 45 3 0.1515 7 3 0.1010 1.212 3 2.424 2327 55400 0.0083Whooper / TP 2067.0 1033.5 48 3 0.1467 7 3 0.1141 1.223 3 2.446 2432 61600 0.0083Curlew / TP 2067.0 1033.5 54 3 0.1383 7 3 0.1383 1.245 3 2.490 2659 73300
40、0.0083Avocet / TP 2226.0 1113.0 42 3 0.1628 7 3 0.0904 1.248 3 2.496 2401 54200 0.0077Bluejay / TP 2226.0 1113.0 45 3 0.1573 7 3 0.1049 1.259 3 2.518 2506 59600 0.0077Bullfinch / TP 2226.0 1113.0 48 3 0.1523 7 3 0.1185 1.269 3 2.538 2619 65600 0.0077Finch / TP 2226.0 1113.0 54 3 0.1436 19 3 0.0862 1
41、.293 3 2.586 2858 78200 0.0077ACode words as shown denote ACSR/TP with Class A galvanized core. Add suffix /GB, /GC, /AZ, /AW, or /HSS to denote respectively ACSR/TP with Class B galvanized,Class C galvanized, aluminized, aluminum-clad, or high strength steel cores.BMass based on relative density at
42、 20C of 0.0875 lb/in3for aluminum and 0.281 lb/in3for steel. To convert to kg/km multiply value 3 1.488.CRated strengths shown are applicable to GA cores. Alternate cores results in different strengths.DBased on conductivity of 61.2 % IACS at 20C for aluminum and 8 % IACS at 20C for steel core. To c
43、onvert to V/km multiply value 3 3.281.7.2 The twisted pair components shall be continuousthroughout the reel. No joints in the finished componentconductors are allowed.7.3 The major and minor dimensions of the conductor shallbe defined as indicated in Fig. 1.8. Rated Strength of TP Conductor8.1 The
44、rated strength of a completed ACSR/TP conductorshall be two times the rated strength of one of the componentstranded conductors as given in Specification B 232.9. Mass Per Unit Length9.1 The mass per unit length of a completed ACSR/TPconductor shall be two times the mass per unit length of one ofthe
45、 component conductors as given in Specification B 232.10. Workmanship, Finish and Appearance10.1 The conductor shall be free of all imperfections notconsistent with good commercial practice.11. Mechanical and Electrical Tests11.1 Tests for the electrical and mechanical properties shallbe made on the
46、 component conductors as required in theappropriate ASTM Specifications.11.2 Tests for the demonstration of rated strength of thecompleted ACSR/TP conductor are not required by this speci-fication but may be made if agreed upon between the manu-facturer and the purchaser at the time of placing an or
47、der. Iftested, the breaking strength of the completed ACSR/TP shallbe determined by performing a breaking test of each of thecomponent conductors before twisting as given in the appro-priate component conductors ASTM Specification. The ratedstrength of the completed ACSR/TP shall be two times thebre
48、aking strength of the component conductor that had thelowest breaking strength.11.3 The critical aspect of ACSR/TP conductor is that thecomponent conductors be of equal length and tension in thecompleted ACSR/TP. To test for this condition during thetwisting process a mark (using felt tip pin or spr
49、ay paint) is tobe made at the same longitudinal location on each of thecomponent conductors before the component conductors havepassed through the twisting process. These two marks shall beobserved and followed visually during the twisting and to thetake-up reel. If the marks move back and forth relative to eachother less than 1.5 in. (3.8 cm) the component tensions andlengths shall be considered equal and the ACSR/TP is accept-able. If one mark moves steadily away from the other mark thecomponent tensions and lengths shall be considered unequaland twisting machine adjustme
