OREANDA-NEWS. On 14 May 2009 was announced, that Bratsk HPS of JSC Irkutskenergo for the first time ever exercised the function of electric current frequency regulator in the whole grid system of Russia.
On 29 April 2009 from 9:37 (Moscow time) within six hours Bratsk HPS of JSC Irkutskenergo for the first time in the history executed the function of electric current frequency regulator in the whole grid system of Russia. This decision was taken by "System Operator of the United Power System", Joint-stock Company in connection with time failure of Volga Cascade of HPS to exercise the regulation, in view of the maximal loading level of all stations caused by high afflux. For this purpose, Bratsk HPS carried out all necessary technical actions, among them: 5 years ago group and individual regulators of active capacity made by Voith Siemens Austrian firm had been purchased allowing to keep frequency accurate within 0.5 Hz. The experiment passed successfully. Bratsk HPS successfully coped with the task set forth and in the further can carry out this function on a constant basis.
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