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Abstract. Based on a hybrid simulation concept of HVDC, the developed hybrid AC filter models, providing the sufficiently full and adequate modeling of all single continuous spectrum of quasi-steady-state and transient processes in the filter, are presented. The obtained results suggest that usage of the hybrid simulation approach is carried out a methodically accurate with guaranteed instrumental error solution of differential equation systems of mathematical models of HVDC.

The dynamics of growth and the structure of installed capacity of power plants in the Unified Energy System (UES) of Russia by generation types for 2015-2018 are analyzed. The absolute increase in generating capacity of power plants based on renewable energy sources (RES) is considered, the development prospects and factors constraining the widespread introduction of renewable generation are identified. In particular, the economic factor-renewable energy can not compete with traditional energy resources in the cost of generated electricity, as well as the technical factor associated with solving problems of connecting and operating of RES to the UES of Russia are presented.