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Here is the complete specs of the controller.
Battery rated voltage: 12v Wind turbine rated power: 300w Wind turbine braked voltage: 15v Recover voltage: 13.5v Quiescent dissipation: <8ma Pretection grade:IP67
Does the braked voltage imply protection for voltage spikes thus braking the wind mill by applying some type of shorted load? Thanks!
Very sparse data on that controller... When the windmill generates a too high output the controller will apply the brake. This might be a dump resistance or some other smarter load that leaves power for the utility. It doesn't say on this particular controller how it is done. There is a hysteresis that releases the brake when the voltage reaches 13.5V.
