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
First Claim
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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Accused Products
Abstract
The invention relates to a power control device for a power grid and to a method for controlling the operation of a power control device. To allow a consumer unit connected to the power control device to be supplied with energy in an optimized manner in accordance with its requirements, a power control device according to the invention is proposed, said device comprising a power generation unit, in particular a photovoltaic unit, for generating power from renewable resources, an energy storage unit for storing energy, a load connection unit for connecting the power control device to a consumer unit for consuming energy, a grid unit, in particular an inverter unit, for connecting the power control device to a power grid, for drawing energy from the power grid and for feeding energy into the power grid, and a control unit for controlling a flow of energy between the power generation unit, the energy storage unit, the consumer unit and/or the power grid.
194 Citations
16 Claims
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1. A power control device (110) for a power grid, comprising
a 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), and a 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.
Specification