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Objective: formation of knowledge about modern means of relay protection and automation as key tools for improving the reliability of power systems in normal and emergency modes. Content: current transformers and voltage transformers in circuits of relay protection; principles of protection, fixing the deviation of the controlled quantities: current, directional current, distance; the principles of protection, based on comparison of controlled values: differential and differential-phase; protection of the main elements of power systems: high-voltage lines, transformers and autotransformers, generators, motors, buses, shunt capacitor banks; automatically reclosing; automatic activation of reserve; characteristics and operation of modern microprocessor devices of ABB, ALSTOM, EKRA; facilities for testing of relay protection devices and automatics; management system and information collection for the operation of microprocessor devices.
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