mcs-certifikation

Duration Test

Table 1 presents a summary of the results from the duration test. All the requirements were successfully achieved.

Test data: 

 

Start date/time 20/08/2010
End date/time 12/03/2011
Mean hub height wind speed 7.26m/s
Average turbulence intensity at 15m/s 10.40%
Highest instantaneous wind speed 31.00m/s
  Requirement Duration Test Result Pass/Fail
Operation At least 6 months of operation 6 months 23days Pass
  At least 2500 hours of power production in winds of any velocity 2561 hours Pass
  At least 250 hours of power production in winds of 1.2V ave and above 542 hours Pass
  At least 25 hours in wind speeds of 15m/s and above 39 hours Pass
  At least 25 hours of power production in winds of 1.8V ave and above 116 hours Pass
Reliability Operational time fraction of at least 90% 97,50% Pass
No major failure of the turbine or components in the turbine system No major failure Pass