Efficiency Standards Process

  • The first concrete study carried out in Europe for the purpose of increasing the level of electric motors was the efficiency classifications of CEMEP in 1998 defined as EFF1, EFF2 and EFF3 on a volunteer basis. The success of this study intended to enhance the level of awareness of the users imposing no legal sanctions was limited and, only 1 percent of the motors placed on the market was transformed to efficient motors during a period of 10 years while these classifications had been applied.
  • During this process and, within the scope of an integrated study carried out thereafter by the IEC (International Electrotechnical Commission), an international recognition has been achieved by two standards on the efficiency of single-speed, three-phase, 50 and 60Hz electric motors as of the end of 2014. The international efficiency (IE) classifications have been identified for electric motors by IEC 60034-30-1:2014 and, the test methods to measure the efficiency of motors have been standardized by IEC 60034-2- 1:2014.
  • Legal regulations of the respective countries called “Minimum Energy Performance Standards” (MEPS) have been enacted for the enforcement of these standards. Accordingly, a directive no. 640/2009 and the annex no. 04/2014 have been regulated by the European Union concerning these efficiency classifications. In Turkey, these standards have been legislated by the Communique Serial No. 28197 on Environmentally Sensitive Design Requirements for Electric Motors (SGM-2012/2) published on the Official Journal on 07.02.2012 and, the annex thereto no. 29294 of 13.03.2015 (SGM-2015/15).
  • These legal regulations in the European Union and Turkey are intended to transform the motors of a power range between 7.5kW and 375kW and, the motors of a power range between 0.75kW and 375kW as from 2017 into the efficiency classification IE3 as from 2015 and 2017 respectively so that motors that provide a higher level of efficiency are used resulting in a decrease in the CO2 emission at a global scale.

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