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Denmark | When my windmill was new it did the same a lot of times. Not enough ventilation in the nacelle.
The manufacturer installed a "turbo air intake" on top, in front of the fan and that fixed the problem 75%.
The rest could be fixed by pitching the wings differently but then we would loose production in low winds.
Generally, in our wind conditions, we would loose very little production the few times it spent a little time cooling of in high winds compared to production loss in the low and mid winds with a different pitch setting.
You sure notice a windmill not rotating when the wind really blows but there often is a good reason.
Jorn | |
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Windmill question
