Hi,
Sounds interesting.
When we discussed this with the WE measurement working group we had some main parameters to measure. These are:
Wind speed
Wind direction
Voltage (DC) wind output
Current (DC) wind output
Rotational speed of the turbine
Other parameters which might be useful are:
Temperature (of bearings or stator coils)
Battery voltage
Battery current
Battery temperature
Volatge (AC) if fed into grid
Current (AC) if fed into grid
Those are the main parameters (that I can think of at the moment).
Converting that information into a useful dashboard which shows maintenance issues and operation starts to get a bit harder, but lots of room for different ideas.
I'd say that you want to check that there has been some current from the wind turbine every day, the battery voltage should be within a set range, the daily/weekly/monthly energy output for the turbine should be shown, along with any historical data.
Please check out the Energy Monitoring CMS from the open energy monitor project:
http://emoncms.org/Regards,
Matt