Page 132 - 3rd issue
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76/132 (145) kV                                                               inner semi -con lead sheathed screen                        HDPE sheathing
                                                                          cooper conductor outer semi-con
Single core copper conductor, XLPE
insulated, Lead Sheathed Screen &
HDPE sheathed

Description              Stranded circular compacted or segmental conductor with copper or Aluminum material
                         ,Semi-Conducting layer as conductor screen , XLPE insulation , Semi-Conducting layer
                         as insulation screen, Semi-Conductive water blocking tape,to protect the screen area
                         from longitudinal water penetration, lead sheathed with suitable thickness to withstand
                         the required earth fault current and HDPE Sheathed with graphit coating or extruded
                         semi-conducting layer Cables are designed and testing according to IEC 60228, 60840
                         and 60811.

                                                     Cross         Max. DC Conductor                     Inductance        Approx.
                                                    Seational           Resistance                                          overall
                         Product-Code                                                    Operating       Trefoil  Flat     diameter       Approx.
                                                      Area     DC at 20 OC AC at 90 OC  Capacitance                                       Weight
                         G29XC01BH                                                                                           mm
Constructional           M30XC01BH                   mm2       (Ω/km)     (Ω/km)        (μf/km)      (mh/km)      (mh/km)    86.4         kg/km
      Data               M31XC01BH                  800 R      0.0221     0.0323        0.2247       0.3754        0.514      99          18410
                         M32XC01BH                  1000 S     0.0176     0.0234        0.2612       0.3663        0.505    101.6         23785
                         M33XC01BH                  1200 S     0.0151     0.0205        0.2728       0.3592       0.4979     107          25525
                         M34XC01BH                  1600 S     0.0113     0.016         0.2967       0.3462       0.4849     114          30355
                                                    2000 S     0.009      0.0135        0.3276       0.3322       0.4708                  34600
                                                    2500 S                                                                  121.5         40915
                                                               0.0072     0.0116        0.3606       0.3198       0.4584

Continous Current Ratings Load Factor = 100% for one circuit in
                             operation (Amperes)

              Laying conditions: trefoil formation                                               Laying condition: flat formation 	
                                                                                                 		
                         Direct burial              In air (shaded)                                                                       In air (shaded)
                                                                                                                           Direct burial
  Type of      "Cross                                                      Type of                "Cross
 Earthing     Sectional                                                   Earthing               Sectional
  Bonding                                                                 Bonding                  Area"
  System        Area"                                                      System

  Cross or     mm2       "pT=120 "pT=150            T = 30 ºC  T = 40 ºC    Cross or              mm2             "pT=120 "pT=150         T = 30 ºC  T = 40 ºC
single point             T = 25 ºC" T = 35 ºC"                            single point                            T = 25 ºC" T = 35 ºC"
              800 R                                                                              800 R
  bonding     1000 S     861 721                    1324 1195               bonding              1000 S           934 784 1522 1377
              1200 S     1019 853                   1618 1460                                    1200 S
              1600 S     1091 912                   1744 1574                                    1600 S           1105 925                1852 1676
              2000 S     1229 1026                  2043 1843                                    2000 S           1187 995                2011 1820
              2500 S                                                                             2500 S           1368 1145               2398 2170

                         1331 1110                  2262 2040                                                     1507 1260               2697 2440
                         1431 1192                  2497 2252                                                     1661 1387               2995 2651

                                                      * R: Round Conductor
                                                    * S: Segmental Conductor

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