FIELD: electricity.
SUBSTANCE: device (8) of energy accumulation for electric load (4), has electric power network (2) power supply, with two outputs (6a, b), which serve for parallel connection to load (4) and network (2) power supply contains connected between terminals (6a, b) storing voltage inverter (10). Inverter (10) comprises a reservoir (12) of energy, which is configured to accumulate energy (E1+E2+E3), which is many times greater than the amount of energy required for the steady-state operation of the inverter (10). Electric arc furnace, which as a load (4) is powered from the mains (2) power supply contains device (8) of energy accumulation.
EFFECT: high efficiency of power exchange between power supply network and load.
15 cl, 5 dwg
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