Approval of the Kyoto Protocol, is associated with a reduction in CO2 emissions by at least 20% by 2020. In 2009, was published ErP Directive, which defines the requirements for electrical equipment placed on the market. From January 2015. ErP Directive for fans with a power of 0,125 kW, imported and sold in the European Union. This Directive defines the minimum performance of the fans. These yields are determined optimum operation point on the basis of the consumed electric energy. Impact on the performance of the fan applies fan control (if installed), the motor and rotor.
Requirements for minimum energy efficiency fans - Stage 2 from 1 January 2015.
Fan type: axial fan
Measurement category (A-D): A
Category efficiency (static / total): Static
Power range (P) kW: 0.125 ≤ P ≤ 10
The target energy efficiency: ηtarget = 2.74 × ln (P) - 6.33 + N
Efficiency (N): 40