Power Conditioning Unit
8 Assignments
0 Petitions
Accused Products
Abstract
A power conditioning unit for delivering power from a power source to a mains utility supply, the power conditioning unit comprising a plurality of input terminals for connecting to the power source, a plurality of output terminals for connecting to the mains utility supply, a voltage increasing converter connected to the input terminals, a voltage reducing converter connected to the voltage increasing converter and a dc-to-ac converter connected to the voltage reducing converter and to the output terminals.
43 Citations
25 Claims
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1-13. -13. (canceled)
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14. A power conditioning unit for delivering power from a dc power source to a mains utility supply, the power conditioning unit comprising:
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a plurality of input terminals for connecting to the dc power source; a plurality of output terminals for connecting to the mains utility supply; a voltage increasing converter connected to the input terminals; a voltage reducing converter connected to the voltage increasing converter; and a dc-to-ac converter connected to the voltage reducing converter and to the output terminals. - View Dependent Claims (15, 16, 17, 23, 24, 25)
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18. A method of controlling a power conditioning unit, the power conditioning taut comprising a plurality of input terminals for connecting to a do power source, a voltage increasing convener connected to the input terminals, a voltage reducing converter connected to the voltage increasing converter, a do to ac converter connected to the voltage reducing converter and a plurality of output terminals toy connecting to a mains utility supply, the output terminals being connected to the do to ac converter, the method comprising:
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sensing a voltage on the output terminals; generating a reference current responsive to said sensing, sensing a supply current in the do to ac converter; and controlling the voltage reducing converter responsive to a difference between the reference current and the supply current; to thereby control the power injected into the mains utility supply, - View Dependent Claims (19, 20, 21)
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22. A power conditioning unit for delivering power from a dc power source to a mains utility supply the power conditioning unit comprising:
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input connection means for connecting to the dc power source; output connection means for connecting to the mains utility supply; voltage increasing means for increasing the voltage supplied to the input connection means; voltage reducing means fir reducing the voltage supplied by the voltage increasing means; dc to ac conversion means for converting a direct current supplied by the voltage reducing means to an alternating current suitable for supplying to the mains utility supply; voltage sensing means for sensing a voltage on the output connection tears reference current generation means for generating a reference current responsive to said sensing; current sensing means for sensing a supply current in the dc to ac conversion means; and control means for controlling the voltage reducing means responsive to a difference between the reference current and the supply current.
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Specification