Energy management uninterruptible power supply system
First Claim
1. A power system in which a grid supplies electrical power to a load and in which backup power is provided from one of a generator and a dc storage device comprising:
- a standalone inverter, having an input and an output, the output connected to the load;
a grid parallel inverter, having an input and an output, the output connected to the grid; and
a dc bus electrically connected to the input of the standalone inverter and to the input of the grid parallel inverter.
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Abstract
A power system is provided in which a grid supplies electrical power to a load and in which backup power is provided from one of a generator and a dc storage device. The power system includes a standalone inverter having an input and an output. The output of the standalone inverter is connected to the load. The power system includes a grid parallel inverter having an input and an output. The output of the grid parallel inverter is connected to the grid. A dc bus is electrically connected to the input of the standalone inverter and to the input of the grid parallel inverter.
196 Citations
35 Claims
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1. A power system in which a grid supplies electrical power to a load and in which backup power is provided from one of a generator and a dc storage device comprising:
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a standalone inverter, having an input and an output, the output connected to the load;
a grid parallel inverter, having an input and an output, the output connected to the grid; and
a dc bus electrically connected to the input of the standalone inverter and to the input of the grid parallel inverter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method of controlling power through a grid parallel inverter in a power system in which a grid supplies electrical power to a load and in which backup power is provided from one of a generator and a dc storage device including a standalone inverter having an input and an output, the output connected to the load;
- a grid parallel inverter, having an input and an output, the output connected to the grid; and
a dc bus electrically connected to the input of the standalone inverter and to the input of the grid parallel inverter comprising;controlling the power through a grid parallel inverter to approximately match a setpoint power. - View Dependent Claims (32, 33, 34, 35)
- a grid parallel inverter, having an input and an output, the output connected to the grid; and
Specification