FIELD: transport.
SUBSTANCE: invention relates to railway transport means and may be used as electric current source for auxiliary control and communication systems of unelectrified rolling stock. Proposed generator comprises a magnetically soft support fitted on wheel pair axle face to accommodate permanent magnets that move toward axle center with rotational speed increasing. Besides, it comprises windings wound on magnetically soft elements made from current conducting wire and arranged fixed with a gap relative to aforesaid support. Note here that leadouts of windings are connected to generator current collectors.
EFFECT: higher efficiency of generator.
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