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In an example embodiment, a cooling system is a pumpless passive system, and includes a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, where the cold plate includes at least one heat pipe adapted therein to provide for transfer of the liquid co

In an example embodiment, a cooling system is a pumpless passive system, and includes a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, where the cold plate includes at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant, a first connection member coupled to the at least one heat pipe, a first conduit coupled to the first connection member, the first conduit extending vertically to enable at least the vapor phase coolant to travel through the first conduit, and a heat exchanger located above and coupled to the first conduit, where the heat exchanger is to transfer the vapor phase coolant to the liquid coolant.

대표청구항 ▼

1. A cooling system for a drive system comprising: a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, the cold plate including at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant;a first

1. A cooling system for a drive system comprising: a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, the cold plate including at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant;a first connection member coupled to the at least one heat pipe;a manifold assembly to couple the cold plate to a first conduit;the first conduit coupled to the first connection member, the first conduit extending vertically to enable at least the vapor phase coolant to travel through the first conduit; anda heat exchanger located above and coupled to the first conduit, wherein the heat exchanger is to transfer the vapor phase coolant to the liquid coolant. 2. The cooling system of claim 1, wherein the cold plate comprises a plurality of heat pipes each including a channel adapted to communicate the liquid coolant along a path to enable heat exchange with a switching device coupled to the corresponding cold plate. 3. The cooling system of claim 1, wherein the at least one heat pipe comprises a wick structure to communicate the vapor phase coolant to the first conduit. 4. The cooling system of claim 1, wherein the first conduit comprises a wick structure to communicate the liquid coolant from the heat exchanger. 5. The cooling system of claim 4, wherein the wick structure is axially adapted in the first conduit, and the liquid coolant is communicated to the at least one heat pipe axially outwardly from the wick structure. 6. The cooling system of claim 1, wherein the at least one heat pipe comprises an accumulator for the liquid coolant. 7. The cooling system of claim 1, wherein the liquid coolant is circulated via capillary pressure, vapor pressure, and gravity. 8. The cooling system of claim 1, wherein the first conduit comprises a flex tube. 9. The cooling system of claim 1, wherein the cooling system comprises a pumpless passive system. 10. The cooling system of claim 1, wherein the first connection member comprises a blind mating connection to mate with a corresponding port of the cold plate. 11. The cooling system of claim 1, further comprising a first isolation block coupled between the first connection member and the first conduit, wherein the first connection member comprises the manifold assembly coupled to a plurality of heat pipes of the cold plate. 12. The cooling system of claim 1, wherein the drive system comprises a cabinet including a plurality of slices, the cabinet including: a first portion having a plurality of cube chambers each having a protective enclosure in which to house a corresponding one of a plurality of power cubes, each of the plurality of power cubes including a second portion to accommodate at least a portion of the cooling system. 13. The cooling system of claim 12, wherein the cabinet comprises the heat exchanger, the heat exchanger configured to receive a flow of water coolant from an external heat exchanger and to cool the vapor phase coolant with the water coolant and to provide heated water coolant back to the external heat exchanger. 14. The cooling system of claim 13, wherein the cabinet comprises a NEMA-4 enclosure. 15. A cooling system for a drive system comprising: a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, the cold plate including at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant;a first manifold coupled to the cold plate;a first flexible conduit coupled to the first manifold, the first flexible conduit extending vertically to enable the liquid coolant and the vapor phase coolant to travel through the first flexible conduit; anda heat exchanger located above and coupled to the first flexible conduit, wherein the heat exchanger is to transfer the vapor phase coolant to the liquid coolant, and the vapor phase coolant and the liquid coolant to travel passively through the cold plate, the first manifold, the first flexible conduit and the heat exchanger. 16. The cooling system of claim 15, wherein the cold plate comprises a plurality of heat pipes each including a channel adapted to communicate the liquid coolant along a path to enable heat exchange with a switching device coupled to the corresponding cold plate. 17. The cooling system of claim 15, wherein the at least one heat pipe comprises a wick structure to communicate the liquid coolant. 18. The cooling system of claim 15, wherein the first flexible conduit comprises a wick structure axially adapted in the first flexible conduit to communicate the liquid coolant from the heat exchanger. 19. A medium voltage drive system comprising: at least one transformer having at least one primary winding to receive power from a utility connection and at least one secondary winding;a plurality of power cubes each coupled to the at least one secondary winding and including a rectifier, a DC-link, and an inverter, wherein each power cube includes at least one cold plate coupled to one or more switching devices of the inverter, and a port; anda manifold assembly coupled to the at least one cold plate of the plurality of power cubes;a first flexible conduit coupled to the manifold assembly, the first flexible conduit extending vertically to enable liquid coolant and vapor phase coolant to travel through the first flexible conduit; anda heat exchanger located above and coupled to the first flexible conduit, wherein the heat exchanger is to transfer the vapor phase coolant to the liquid coolant, wherein the liquid coolant and the vapor phase coolant is to passively flow.