Earth
Safe
3. What are the characteristics of the countryside / built-up area in the vicinity of
the wind turbine?
4. What is the voltage between phases (measured by a qualified electrician – this
voltage should be roughly identical in identical wind conditions)?
5. What is the battery voltage? How old is the battery or batteries?
6. Which loads are connected to the battery?
7. Are solar panels also connected to the charge controller? If so:
a. What is the no-load voltage
3
[VDC]?
b. What is the power [Wp]?
3
Measured with no loads connected
Translation of the original instructions iSTA wind turbine system
2
4
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7
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