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Today mathematical simulation is practically sole method, with no alternative, for obtaining comprehensive and reliable information about regimes and processes in electrical power systems. This is due to the impossibility of making field tests in real EPS, and significant limits of physical models. Therefore, according to official standards and regulatory documents of JSC “SO UPS”, the development of the hardware-software simulators for real-time power system simulation with the purpose of automatic voltage regulators setting and certification is the most urgent issue. This paper proposes the Hybrid Real-Time Power System Simulator usage as the solution. The performed studies and tests (partially demonstrated in the article) show the possibility of such simulator usage for the stated aims. [ABSTRACT FROM AUTHOR]

The article considers the problem of the correct operation of the out-of-step protection operation in electric power systems with wind power generators. The relevance of the subject under study is confirmed by a literature review. To solve the problem, a concept has been developed based on a hybrid approach to power systems simulation. The application of this concept will allow for a case of injection wind turbines into the power system to correctly configure out-of-step protection devices. [ABSTRACT FROM AUTHOR]