Power delivery system including interchangeable cells
View Patent ↗A power cell system includes a structure that provides multiple power cell locations. The system also includes at least one regenerative power cell, and at least one non-regenerative power cell. The cell locations and power cells are sized and positioned so that each cell location may interchangeably accept either a regenerative power cell or a non-regenerative power cell.
1. A power cell system, comprising:
a support structure comprising a plurality of cell locations;
at least one regenerative power cell configured to function as a regenerative power cell; and
at least one non-regenerative power cell configured to function as a non-regenerative power cell;
wherein the cell locations and power cells are sized and positioned so that each cell location may interchangeably accept either a regenerative power cell or a non-regenerative power cell; and
wherein positioning of the power cells is configured such that both the at least one regenerative power cell and the at least one non-regenerative power cell are concurrently functioning to either provide power to or absorb power from a load.
2. The system of claim 1 , wherein each cell location comprises:
a plurality of support rails;
a power delivery bus positioned to electrically connect with an input bus of a power cell that is in the cell location; and
a power output bus positioned to electrically connect with an input bus of the power cell that is in the cell location.
3. The system of claim 1 , each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
an active front end comprising a plurality of transistors electrically connected as a three-phase bridge.
4. The circuit of claim 1 , wherein each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge;
a three-phase diode bridge rectifier electrically connected across the terminals; and
a series-connected transistor and resistor combination that is electrically connected across the terminals.
5. The system of claim 1 , wherein each non-regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
a three-phase bridge rectifier electrically connected across the terminals.
6. The system of claim 1 , wherein each power cell comprises a chassis, and each chassis in the system has substantially the same size and shape as the other chassis in the system.
7. The system of claim 1 , further comprising a wire tray that holds control wire for each power cell.
8. A power cell system, comprising:
a plurality of support rails and a back plane that are connected to provide a plurality of cell locations;
at least one regenerative power cell configured to function as a regenerative power cell; and
at least one non-regenerative power cell configured to function as a non-regenerative power cell;
wherein the cell locations and power cells are sized and positioned so that each cell location may interchangeably accept either a regenerative power cell or a non-regenerative power cell;
wherein positioning of the power cells is configured such that both the at least one regenerative power cell and the at least one non-regenerative power cell are concurrently functioning to either provide power to or absorb power from a load; and
wherein each power cell comprises a chassis, and each chassis in the system has substantially the same size and shape as the chassis for a plurality of other power cells in the system.
9. The system of claim 8 , wherein each cell location comprises:
a plurality of support rails;
a power delivery bus positioned to electrically connect with an input bus of a power cell that is in the cell location; and
a power output bus positioned to electrically connect with an input bus of the power cell that is in the cell location.
10. The system of claim 8 , each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
an active front end comprising a plurality of transistors electrically connected as a three-phase bridge.
11. The circuit of claim 8 , wherein each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge;
a three-phase diode bridge rectifier electrically connected across the terminals; and
a series-connected transistor and resistor combination that is electrically connected across the terminals.
12. The system of claim 8 , wherein each non-regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
a three-phase bridge rectifier electrically connected across the terminals.
13. The system of claim 8 , further comprising a wire tray that holds control wire for each power cell.
14. A power delivery system, comprising:
a support structure comprising a plurality of cell locations;
at least one regenerative power cell configured to function as a regenerative power cell; and
at least one non-regenerative power cell configured to function as a non-regenerative power cell;
wherein the cell locations and power cells are sized and positioned so that each cell location may interchangeably accept either a regenerative power cell or a non-regenerative power cell;
wherein positioning of the power cells is configured such that both the at least one regenerative power cell and the at least one non-regenerative power cell are concurrently functioning to either provide power to or absorb power from a load;
wherein each power cell comprises a chassis, and each chassis in the system has substantially the same size and shape as the chassis for a plurality of other power cells in the system; and
wherein each cell location comprises a plurality of support rails, a power delivery bus positioned to electrically connect with an input bus of a power cell that is in the cell location, and a power output bus positioned to electrically connect with an input bus of the power cell that is in the cell location.
15. The system of claim 14 , each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
an active front end comprising a plurality of transistors electrically connected as a three-phase bridge.
16. The circuit of claim 14 , wherein each regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge;
a three-phase diode bridge rectifier electrically connected across the terminals; and
a series-connected transistor and resistor combination that is electrically connected across the terminals.
17. The system of claim 14 , wherein each non-regenerative power cell comprises:
an inverter bridge;
a capacitor set electrically connected across terminals of the inverter bridge; and
a three-phase bridge rectifier electrically connected across the terminals.
18. The system of claim 14 , further comprising a wire tray that holds control wire for each power cell.