cable calculation sheet.xlsx

Title Code Page 1 of 1 Voltage drop calculation for critical motor starting Cable type PVC insulated/Copper,0.6/1 Kv Grouping factor 0.650 IEC 364-5-523,Table 52-E4 Arrangement Flat Temperature factor 0.870 IEC 364-5-523,Table 52-D1 Refrence method of installation Free air touching( Method E,IEC 364-5-523,Table 52-B2) Conversion factor 0.566 Supporting Installation method Perforated trays (Method J,IEC 364-5-523,Table 52-B) Max.Starting voltage drop% 15.00 Max. Running voltage drop% 5.00 Ambient temperature System voltage 400 Installation Configuration Number of Cables are Nine,Number of Trays are Three. Motor Speed (RPM) 1500 Cable Size (sqmm) 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 300 No. OF Cores 4 4 4 4 4 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 Nominal Current Rating (A) IEC 364-5-523,Table 52-C9 25.00 34.00 43.00 60.00 80.00 101.00 126.00 153.00 196.00 238.00 276 319 364 430 497 Maximum Current Carrying Capacity 14.14 19.23 24.32 33.93 45.24 57.12 71.25 86.52 110.84 134.59 156.08 180.39 205.84 243.17 281.05 Conductor Resistance (ohm/km) 8.8700 5.5200 3.6900 2.1900 1.3800 0.8700 0.6270 0.4630 0.3210 0.2320 0.1840 0.1500 0.1200 0.0926 0.0749 Conductor Reactance (ohm/km) 0.1050 0.1050 0.1017 0.0967 0.0942 0.0933 0.0904 0.0876 0.0801 0.0798 0.0785 0.0776 0.0780 0.0773 0.0769 KW p.f.(Strating) p.f.(Nominal) eff. Is/In In MAXIMUM LENGTH (m) 0.37 0.70 0.81 73 4.7 0.90 0 2,072 3,073 5,094 7,898 12,078 16,209 21,105 28,948 37,197 44,144 50,871 58,414 67,991 76,020 0.75 0.70 0.81 73 4.7 1.83 0 1,022 1,516 2,513 3,896 5,959 7,996 10,412 14,281 18,350 21,778 25,096 28,817 33,542 37,503 1.1 0.70 0.81 73 4.7 2.69 0 697 1,034 1,713 2,657 4,063 5,452 7,099 9,737 12,512 14,849 17,111 19,648 22,870 25,570 1.5 0.70 0.79 77 5.0 3.56 0 494 733 1,215 1,884 2,881 3,866 5,034 6,905 8,873 10,530 12,134 13,934 16,218 18,133 2.2 0.70 0.81 78 5.2 5.03 0 336 499 827 1,283 1962 2633 3,428 4702 6042 7170 8263 9488 11043 12347 3 0.70 0.82 80 6.0 6.60 0 222 329 546 847 1295 1737 2262 3103 3987 4732 5452 6261 7287 8148 3.7 0.70 0.82 83 6.3 7.85 0 178 264 437 678 1037 1392 1812 2486 3194 3791 4368 5016 5838 6528 5.5 0.70 0.83 84 6.5 11.39 0 0 176 292 453 693 930 1210 1660 2133 2532 2918 3350 3900 4360 7.5 0.50 0.85 85 6.5 14.98 0 0 184 302 461 690 908 1157 1547 1922 2223 2501 2789 3141 3419 9 0.50 0.83 88 6.5 17.79 0 0 0 254 388 581 765 975 1304 1619 1873 2107 2349 2646 2880 11 0.50 0.83 88 6.5 21.74 0 0 0 208 318 475 626 798 1067 1324 1532 1724 1922 2165 2356 15 0.50 0.83 88 7.0 29.64 0 0 0 0 216 324 426 543 726 902 1044 1174 1309 1474 1605 18.5 0.50 0.83 90 7.2 35.75 0 0 0 0 0 261 344 438 586 727 841 946 1055 1189 1294 22 0.50 0.84 90 7.2 42.00 0 0 0 0 0 222 292 373 498 619 716 806 898 1011 1101 30 0.50 0.85 91 7.2 55.98 0 0 0 0 0 0 219 280 374 464 537 604 674 759 826 37 0.50 0.86 91 7.0 68.24 0 0 0 0 0 0 0 236 315 392 453 510 569 640 697 45 0.50 0.86 92 7.0 82.09 0 0 0 0 0 0 0 0 262 326 377 424 473 532 579 55 0.30 0.86 92.5 7.0 99.79 0 0 0 0 0 0 0 0 0 340 381 417 449 488 517 75 0.30 0.86 93.5 7.0 134.63 0 0 0 0 0 0 0 0 0 0 0 309 333 362 384 90 0.30 0.86 93.5 7.5 161.55 0 0 0 0 0 0 0 0 0 0 0 0 259 282 298 110 0.30 0.86 93.5 7.5 197.45 0 0 0 0 0 0 0 0 0 0 0 0 0 0 244 132 0.30 0.87 94 7.5 232.97 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0.30 0.87 94 7.5 282.39 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 200 0.30 0.87 94 7.5 352.99 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0.30 0.87 94 7.5 441.24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40 °C ffective Resistance at70°

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Transcript of cable calculation sheet.xlsx

Voltage Drop Calculation for Motor Type

TitleCodePage 1 of 1Voltage drop calculation for critical motor starting

Cable type PVC insulated/Copper,0.6/1 KvGrouping factor 0.650IEC 364-5-523,Table 52-E4Arrangement FlatTemperature factor 0.870IEC 364-5-523,Table 52-D1Refrence method of installation Free air touching( Method E,IEC 364-5-523,Table 52-B2)Conversion factor 0.566Supporting Installation method Perforated trays (Method J,IEC 364-5-523,Table 52-B)Max.Starting voltage drop% 15.00Max. Running voltage drop% 5.00Ambient temperature 40 CSystem voltage 400Installation Configuration Number of Cables are Nine,Number of Trays are Three.Motor Speed (RPM)1500Cable Size (sqmm) 2.54610162535507095120150185240300No. OF Cores 444443.53.53.53.53.53.53.53.53.53.5Nominal Current Rating (A) (IEC 364-5-523,Table 52-C9)25.0034.0043.0060.0080.00101.00126.00153.00196.00238.00276319364430497Maximum Current Carrying Capacity 14.1419.2324.3233.9345.2457.1271.2586.52110.84134.59156.08180.39205.84243.17281.05Conductor Resistance (ohm/km) (Effective Resistance at70C)8.87005.52003.69002.19001.38000.87000.62700.46300.32100.23200.18400.15000.12000.09260.0749Conductor Reactance (ohm/km) 0.10500.10500.10170.09670.09420.09330.09040.08760.08010.07980.07850.07760.07800.07730.0769KWp.f.(Strating)p.f.(Nominal)eff.Is/InInMAXIMUM LENGTH (m)0.370.700.81734.70.9002,0723,0735,0947,89812,07816,20921,10528,94837,19744,14450,87158,41467,99176,0200.750.700.81734.71.8301,0221,5162,5133,8965,9597,99610,41214,28118,35021,77825,09628,81733,54237,5031.10.700.81734.72.6906971,0341,7132,6574,0635,4527,0999,73712,51214,84917,11119,64822,87025,5701.50.700.79775.03.5604947331,2151,8842,8813,8665,0346,9058,87310,53012,13413,93416,21818,1332.20.700.81785.25.0303364998271,283196226333,42847026042717082639488110431234730.700.82806.06.60022232954684712951737226231033987473254526261728781483.70.700.82836.37.85017826443767810371392181224863194379143685016583865285.50.700.83846.511.3900176292453693930121016602133253229183350390043607.50.500.85856.514.98001843024616909081157154719222223250127893141341990.500.83886.517.790002543885817659751304161918732107234926462880110.500.83886.521.740002083184756267981067132415321724192221652356150.500.83887.029.6400002163244265437269021044117413091474160518.50.500.83907.235.7500000261344438586727841946105511891294220.500.84907.242.000000022229237349861971680689810111101300.500.85917.255.98000000219280374464537604674759826370.500.86917.068.240000000236315392453510569640697450.500.86927.082.0900000000262326377424473532579550.300.8692.57.099.79000000000340381417449488517750.300.8693.57.0134.6300000000000309333362384900.300.8693.57.5161.550000000000002592822981100.300.8693.57.5197.45000000000000002441320.300.87947.5232.970000000000000001600.300.87947.5282.390000000000000002000.300.87947.5352.990000000000000002500.300.87947.5441.24000000000000000