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Czech and German grids to build transformers to control wind-produced electricity

Czech and German grid operators are planning to build transformers to guard against excess flows of wind-produced electricity that can disrupt transmission.

Two so-called phase-shifting transformers will be installed in Hradec and Rohrsdorf by the end of 2016 to control cross-border electricity flows from renewables generated in northern Germany. “The installation of the phase shifters in both substations will significantly improve control of unplanned flows on the interconnector,” CEPS said in a statement.

Power operators in the north of Germany are sometimes forced to shut down power plants, when transmission lines get overloaded due to large electricity flows produced by wind farms. This happens mostly when wind power generation peaks and phase shifters only deflect the flows so regional cooperation is needed to solve the problem. The Czech and German agreed to eventually look to build transformers along the Polish border, CEPS said.

Source: Reuters