My issue is similar but different ... At the end of a short (36 hr) but windy and wet passage
our Silentwind went nuts. It was turning so fast it sounded like a low flying aircraft and we thought it was going to explode. Great timing as dodging commercial
traffic, at night, in a Marshall Islands lagoon
The brake light was already on and selecting the "brake on" switch made no difference. The controller was really hot. I removed the three-phase input wires and shorted them together to try to stop the blades manually. The ring terminals for the input wires got quite hot too. Still no change until we got the apparent wind lower. It seems to be holding "braked" now at anchor
but hesitant to put it back together in case it starts uncontrollably again.
At the time we were motoring with an apparent wind of about 25 kts and the batteries
were pretty much full (90%SOC of a 980 12V AmpHr bank).
I have sent an e-mail to Silentwind but they have not been very responsive recently. Any ideas on where to start troubleshooting ? I do not think the charge controller is at fault as I could not brake the wind gen even by manually shorting the input wires. Brushes
? If one brush is wearing could one leg of the 3 phase be absent and the gen not brake ?
Trying to get the boat
ready for a passage
from the Marshall Islands
in June so want to make sure this system is reliable again. In 7 years and about 38,000 nm we have only had to change a set of bearings and a cooling
fan for the controller so normally it has been reliable and an important part of our power generation system.