Voltage Drop Calculation for Motor Type

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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