1. Waide P, Brunner C. Energy-efficiency policy opportunities for electric motor systems. International Energy Agency (IEA); 2011.
2. de Almeida, et al. Actions to promote energy efficient electric motors. EU SAVE programme (Specific Actions for Vigorous Energy Efficiency) Report for the European Commission; 1996.
3. de Almeida A et al. Improving the penetration of energy-efficient motors and drives. EU SAVE programme (Specific Actions for Vigorous Energy Efficiency) Report for the European Commission; 2000.
4. A comparative assessment of Brazilian electric motors performance with minimum efficiency standards;Sauer;Renew Sustain Energy Rev,2015
5. EC, Commission Regulation (EC) No 640/2009 of 22 July 2009 implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to ecodesign requirements for electric motors, Vols. OJ L 191, 23.7.2009. Brussels; 2009; p. 26.