FIELD: electricity.
SUBSTANCE: combined device (10) for control of power transmission between two centres (42, 46) of DC network and supply of AC motor (13) comprises unit (19) of two three-phase inverters, every of which includes three switching elements connected to specified motor (13), at the same time motor (13) comprises three stator windings connected to two three-phase inverters. Device also comprises module (23) of control of specified unit (19), providing for possibility of controlled power transmission based on DC, stabilisation of DC voltage at one of two specified centres as the other one disconnects and motor (13) control.
EFFECT: reduced risks of instability and provision of quality and transmission of power both in normal and emergency mode.
4 cl, 7 dwg
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