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Power control device for a power grid, comprising a control unit for controlling an energy flow between the power generation unit, the energy storage unit, the consumer unit and/or the power grid

  • US 20110060474A1
  • Filed: 09/03/2010
  • Published: 03/10/2011
  • Est. Priority Date: 09/04/2009
  • Status: Active Grant
First Claim
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1. A power control device (110) for a power grid, comprisinga power generation unit (113), in particular a photovoltaic unit, for generating power from renewable resources,an energy storage unit (115) for storing energy,a measuring device for detecting the energy consumption of a consumer unit (111) for consuming energy,a grid connection unit (114), in particular an inverter unit, for connecting the power control device (110) to a power grid (11, 13), for drawing energy from the power grid (13) and for feeding energy into the power grid (11), anda control unit (117) for controlling an energy flow between the power generation unit (113), the energy storage unit (115), the consumer unit (111) and/or the power grid (11, 13),characterized in that the control unit is adapted to control the amount of energy that is fed into the power grid depending on the amount of energy that is consumed by the consumer unit.

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