© 2011 Power Electronics. Todos los derechos reservados. ® ENERGY EFFICIENCY IN ELECTRIC MOTORS HIGH ENERGY EFFICIENCY SYSTEMS IN ELECTRIC MOTORS 25 November of 2011

© 2011 Power Electronics. Todos los derechos reservados. ® 1Introduction 2 Savind and EE in Motors a)EU MEPS Schemes b)Efficient motors 3 Variable Speed Drives 4 Power Electronics WorldWide Index

© 2011 Power Electronics. Todos los derechos reservados. ® 01. Introduction Global energy distribution Source: International Energy Agency

© 2011 Power Electronics. Todos los derechos reservados. ® 01. Introduction Global energy distribution Source: International Energy Agency

© 2011 Power Electronics. Todos los derechos reservados. ® 01. Introduction Global energy distribution Source: International Energy Agency Source: Comisión Nacional de la Energía (CNE)

© 2011 Power Electronics. Todos los derechos reservados. ® 01. Introduction Industrial Sector – Consumption and Applications. Pumps Fans Conveyor belts Compressors Mills Dryers Propulsion Winders Lamination Perforation Others….

© 2011 Power Electronics. Todos los derechos reservados. ® 01. Introduction Tertiary Sector – Consumption and Applications. ACS pumps Heating pumps Cooling towers fans Air treatment unit Heat pumps compressor Elevators Escalators Hoods Compressors Others….

© 2011 Power Electronics. Todos los derechos reservados. ® 1Introduction 2 Saving and EE in Motors a)EU MEPS schemes b)Efficient motors 3 Variable Speed Drives 4 Power Electronics WorldWide Index

© 2011 Power Electronics. Todos los derechos reservados. ® 02. Saving and energy efficiency in motors EU MEPS (European Minimum Energy Performance Standard) The European Commission decides to apply the requirements ECO DESIGN to 3 PHASE MOTORS of 2-, 4- and 6-poles, from 0.75 to 375 kW PHASE 1: All the MOTORS sold must present an efficiency level IE2 PHASE 2: MOTORS 7.5kW - 375kW sold must present an efficiency level IE3 or IE2 with VARIABLE SPEED DRIVE PHASE 3: MOTORS 0.75kW - 375kW sold must present an efficiency level IE3 or IE2 with VARIABLE SPEED DRIVE

© 2011 Power Electronics. Todos los derechos reservados. ® 1Introduction 2Saving and EE in Motors 3EU MEPS schemes a)Efficient Motors 3 Variable Speed Drives 4 Power Electronics WorldWide Index 10

© 2011 Power Electronics. Todos los derechos reservados. ® 02. Saving and energy efficiency in motors Efficient Motors Fuente: ABB ▲ 2 % Performance

© 2011 Power Electronics. Todos los derechos reservados. ® 1Introduction 2 Saving and EE in Motors a)EU MEPS Scheme b)Efficient Motors 3 Variable Speed Drives 4 Power Electronics WorldWide Index

© 2011 Power Electronics. Todos los derechos reservados. ® 03 Variable Speed Drives. Pumps and fans

© 2011 Power Electronics. Todos los derechos reservados. ® Donde:Q = Flow n = Motor Speed P = Power h = Height PUMPS AND FANS ACCORDING TO SIMILARITY LAWS Q  n h  n 2 P  n 3 03 Variable Speed Drives. Pumps and fans - Similarity laws

© 2011 Power Electronics. Todos los derechos reservados. ® Static height 20 meters 03 Variable Speed Drives. Pumps and fans – Valve control vs VSD 0 Height in m H 2 O n = 1480 RPM H-Q curves System curves Q Flow m 3 /min CAUDAL X n 0.9 X n 0.8 X n 0.7 X n 0.6 X n 0.5 X n 0.4 X n 100% 50% 0 Height in m H 2 O X n 0.9 X n 0.8 X n 0.7 X n 0.6 X n 0.5 X n 0.4 X n % 50% 100%90% 80% 70%60% 50% H-Q Curves

© 2011 Power Electronics. Todos los derechos reservados. ® Flow (%) Valve control demand ( kW) Demand with SD700 VFD (kW) Demand saving (kW) Energy saving (%) Cost saving (€/1000 h) 100% %9572,922,123 %€ %8351,231,838 %€ %7734,342,755 %€ %7321,651,470 %€ %6812,555,581 %€  Pump Power : 110 kW  Electric cost : 150 €/MWh 03 Variable Speed Drives. Pumps and fans – Energy saving

© 2011 Power Electronics. Todos los derechos reservados. ® 03 Variable Speed Drives. Conveyor belts, compressor, mills, others

© 2011 Power Electronics. Todos los derechos reservados. ® Where:T = Torque n = Motor speed P = Power T  cnst. P  n 03 Variable Speed Drives. Conveyor belts, compressor, mills, others P ( kW) N ( rpm) Speed (%) Demand with SD700 VFD (kW) Energy saving (%) Cost saving (€/1000 h) 100% %9010 %€ %8020 %€ %7030 %€ %6040 %€ %5050 %€  Pump power : 110 kW  Electric cost : 150 €/MWh

© 2011 Power Electronics. Todos los derechos reservados. ® 03 Variable Speed Drives. Benefits  QUALITY AND PERFORMANCE IMPROVEMENT: Introducing a torque and a speed motor control, the damages in the process disappear and the process performance increase.  ENERGY SAVINGS: up to 60% in comparison with traditional DOL control systems  REDUCE MAINTENANCE AND INCREASE MOTOR LIFE TIME : The high number of starts and the overcurrent suffered by induction motors reduce its working life and increases their maintenance costs.  DECREASE THE ENVIRONMENTAL IMPACT AND IMPROVE THE CORPORATIVE IMAGE : The electric and fossil fuels energy savings reduces the company greenhouse gases emission.

© 2011 Power Electronics. Todos los derechos reservados. ® 1Introduction 2Saving and EE in Motors 3EU MEPS Schemes a)Efficient Motors 3 Variable Speed Drives 4 Power Electronics WorldWide Index

© 2011 Power Electronics. Todos los derechos reservados. ® 04 Power Electronics Worldwide CHILE Santiago GERMANY Nürnberg AUSTRALIA Brisbane BRASIL Sao Paulo SPAIN Barcelona Lleida Las Palmas La Coruña Valencia Castellón Murcia Vizcaya Madrid Sevilla CHILE Antofagasta CHINA Beijing CHINA Hong Kong KOREA Seúl INDIA Madurai MEXICO Tlalnepantla NEW ZELAND Christchurch ITALY Milano SERVICE 365 days CUSTOMERS support Immediate delivery