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Typical conventional Electric MotorDi Driven SystemEnergy towasteSupplyNetworkMotorDriven EquipmentGearboxEnergyConvertor50%EnergyControllerto Process95% 95%70% 50%50%System Eff = 0.95x0.95x0.7x0.5x0.5 = 16%Useable energyto process
Suggested Electric Motor Driven SystemSupplyNetworkDriven EquipmentEnergyControllerMotorGearboxEnergyto ProcessConvertor95% 95%95%70%50%System Eff = 0.95x0.95x0.95x0.7x0.5 = 30%Useable energyto process
Page 1 and 2: Energy Efficient Electric MotorsSom
Page 3 and 4: INTRODUCTION• Approx. 56% of elec
Page 5 and 6: ENERGY LOSSES OCCURING IN ELECTRICM
Page 11 and 12: Torque - Speed RelationshipsTorque
Page 13 and 14: Effect of reduced Power Factor
Page 15: OVERVIEW• Introduction• Design
Page 19 and 20: PRACTICAL SOLUTIONS• Consider eff
Page 21 and 22: CONCLUSIONS• Examine and calculat
Page 23 and 24: Thank you!Leo.Middelberg@aurecongro
Page 25 and 26: Torque - Speed Relationships
Page 27: Effect of Voltage Drop on Motor Tor

Presentation - CPUT Active Web

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