Loose connection sparked V112 turbine blaze, says Vestas

Danish wind turbine manufacturer Vestas says it has identified the root cause of a fire in one of its V112-3.0 MW machines in Germany at the end of March.

After an investigation, the company found that the fire started in the turbine's Harmonic Filter Cabinet as a result of a loose connection in the electrical system that created an arc flash.

“The solution to this problem has been confirmed by specialists. It involves using a different type of washer on the electrical connections in the Harmonic Filter Cabinet,” Vestas says, adding that the solution is in the process of being implemented in the affected turbines and customers are being informed.

Vestas is still awaiting reports from two external experts who Log in to read complete article.

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