Based on the patent search and literature review, the novelty and relevance of the future design are determined. The analysis showed that the proposed design has distinctive properties. Materials were compiled and applications for a Kazakhstan patent and a Eurasian patent were filed. Sketches, drawings and design documentation for the manufacture of the experimental unit have been developed. A mathematical model for calculation of the main parameters of the modular generator was drawn up. The field of application is wind and hydro power engineering.