Individuals have been introduced to switching devices related to the power distribution and control of wind turbines. They can describe the operating principles of contactors and relays. They can explain the operation of mechanical and solid-state relays, as well as protective overload relays. They can interpret typical wind turbine control wiring diagrams involving contactors and relays. They are able to connect a simple control circuit. They know how to troubleshoot, replace and rewire relays.

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