UNINTERRUPTED AND SECURED POWER SUPPLY SYSTEM FOR CRUCIAL POWER CONSUMERS Russian patent published in 2014 - IPC H02J9/04 

FIELD: electricity.

SUBSTANCE: system consists of an accumulator battery, a direct-current motor coupled to the generator shaft, a three-phase rectifier, the system has an asynchronous generator with rotor and special stator windings with load connection terminals taken from the middle of the above windings, the main and auxiliary exciting capacitors, a voltage regulator, a frequency control and regulating unit, a regulating element, an active power directional relay, a high-speed breaker, and the supply mains.

EFFECT: expansion of functionality and provision of load commutation in emergency mode without discontinuity in sinusoid.

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