System Voltage ( P-P ) System Voltage ( P-N ) Future Load Expansion Average Intermittent Use of Equipment Sr.N o Equipment Tower Crain-E Tower Crain-C Tower Crain-C 415 Linear Load: Volt General Equipments, Heater Non-Linear Load: UPS,Invertor,Ballast,VFD 230 Volt 0% % 1 (0.7 To 1.0) 0.8 0.8 Total Connected Load on Diesel Generator Set Load Starting Running Diversity Load Type Supply Qty P.F P.F Factor Load Kw/Hp Motor Motor Motor 3Ph 3Ph 3Ph 1 1 1 43 43 43 Jignesh.N.Parmar www.electricalnotes.wordpress.com jiguparmar@yahoo.com Kw Kw Kw 0.8 0.8 0.8 0.8 0.8 0.8 0.5 0.5 0.5 Starting Condition Motor Starter Starting Amp Starting Kva Starting Kw Y-D Y-D Auto.Tra. 150 150 112 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 108 108 81 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 86 86 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Running Condition Full Full Full Load Load Load Kva Kw Amp 27 27 27 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22 22 22 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37 37 37 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESULTS Starting Kva Starting Kw Starting Amp Running Kva Running Kw Running Amp Alternator Details Voltage (P-N) Efficiency Engine Overload Capacity 296 237 411 81 65 112 230 80% 130% (Appro 130% To 150%) Required Generator Rating Generator KVA Engine KW 237 67 Calculate D.G Set Efficiency & Unit Rate of Power D.G Size ( Kva ) D.G P.F D.G Running Hours Diesel Consumption (Liter) KWH Reading of Meter M.F of KWH Meter Diesel Rate /Liter (Rs) Efficiency of D.G KWH/Liter (Unit Per Liter) Unit Rate of Power (Rs) 1000 1 20 1000 10000 1 40 63% 10 4.0 (Select D.G near This Value) Calculate Approximate Fuel Consumption D.G Size (Kva) D.G P.F D.G Operation 115 0.8 Full Load Required Diesel Liter/Hour 23.11