Ensuring safe, reliable, and proper grid connection at all times, CM-UFD.M33 (Grid Tie Relay) protects wind turbines from unstable grid activity or faults by disconnecting electric energy source from grid. Relay monitors voltage and frequency in single- and 3-phase grids and trips coupling switch when electrical values are not within set parameters. Upon fault detection, grid feeding monitoring relay sounds alarm, displays message, and signals alarm cause to control system.
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