Structure of emergency automatics in UPS of Russian Federation

There are emergency automatics systems (EA) widely used in Unified Power System (UPS) of Russian Federation. Main focus of article is centered on design principles of preventive automatics for stability control schemes (PASCS) as this automatics is the most complex type of EA. Features of PASCS are determined by modern state-of-the-art of digital technique and information technology, that decide the innovative developmental character of PASCS. Information about development and implementation of centralized emergency automation systems (CEAS) in power systems of Russian Federation is also given here