FIELD: power engineering. SUBSTANCE: magnetic circuit and power part are annealed in one charge before coating with nickel-aluminum and brazing conducted at 680-700 C for 30-45 min with cooling rate of 5-10 C/min. Plasma coating and vacuum brazing are performed at 1020-1050 C with simultaneous annealing at 880-990 C for 30-35 min with cooling at the same rate up to 550-560 C Thin-walled magnet circuits diameter of which exceeds 140 mm are cooled from 550-560 C at a rate of 2-5 C/min. EFFECT: enhanced operation capabilities. 1 tbl
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