System and method for providing hybrid energy on a marine vessel
First Claim
1. A system comprising:
- an energy storage device configured to be disposed aboard a marine vessel having an alternating current bus that supplies first alternating current to power one or more alternating current loads of the marine vessel, the energy storage device configured to supply first direct current;
a converter device configured to be conductively coupled with the energy storage device and the alternating current bus and to convert the first direct current supplied from the energy storage device to the first alternating current; and
a switching device configured to be conductively coupled with the alternating current bus and the converter device, the switching device configured to be disposed between the alternating current bus and the converter device such that the switching device closes to conductively couple the energy storage device and the converter device with the alternating current bus, the switching device also configured to open to disconnect the energy storage device and the converter device from the alternating current bus while an alternating current generator connected to the alternating current bus remains conductively coupled with the one or more alternating current loads;
wherein the energy storage device is configured to provide the first direct current to the converter device that changes the first direct current to the first alternating current for transmission along the alternating current bus for powering the one or more alternating current loads, the energy storage device providing the first direct current to reduce at least one of fuel consumed, emissions generated, or mechanical noise generated by the marine vessel.
2 Assignments
0 Petitions
Accused Products
Abstract
A system for providing rechargeable energy onboard a marine vessel, the system including an energy storage device aboard a marine vessel, an interface device connected to the energy storage device configured to provide power to charge the energy storage device and/or provide power from the energy storage device to the marine vessel, a converter device connected to the interface device configured to convert power to alternating current and/or direct current, depending on an intended purpose of the system, and a conditioning device connected to the converter device, interface device, and/or energy storage device, and configured to establish an acceptable power level and/or an acceptable power waveform. The energy storage device is configured to provide power to the marine vessel to reduce fuel used, emission output, and/or mechanical noise output. A method for providing rechargeable energy onboard a marine vessel is further disclosed.
10 Citations
29 Claims
-
1. A system comprising:
-
an energy storage device configured to be disposed aboard a marine vessel having an alternating current bus that supplies first alternating current to power one or more alternating current loads of the marine vessel, the energy storage device configured to supply first direct current; a converter device configured to be conductively coupled with the energy storage device and the alternating current bus and to convert the first direct current supplied from the energy storage device to the first alternating current; and a switching device configured to be conductively coupled with the alternating current bus and the converter device, the switching device configured to be disposed between the alternating current bus and the converter device such that the switching device closes to conductively couple the energy storage device and the converter device with the alternating current bus, the switching device also configured to open to disconnect the energy storage device and the converter device from the alternating current bus while an alternating current generator connected to the alternating current bus remains conductively coupled with the one or more alternating current loads; wherein the energy storage device is configured to provide the first direct current to the converter device that changes the first direct current to the first alternating current for transmission along the alternating current bus for powering the one or more alternating current loads, the energy storage device providing the first direct current to reduce at least one of fuel consumed, emissions generated, or mechanical noise generated by the marine vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 22, 23, 24)
-
-
11. A system comprising:
-
an alternating current bus distribution unit configured to provide alternating current along an alternating current bus to a plurality of subsystems aboard a marine vessel that are connected with an alternating current generator by the alternating current bus; an energy storage device aboard the marine vessel and in communication with the alternating current bus distribution unit, the energy storage device configured to provide power to the alternating current bus distribution unit to power the plurality of subsystems and receive power from the alternating current bus distribution unit to charge the energy storage device; and an intermediate subsystem connected between the alternating bus distribution unit and the energy storage device, wherein the intermediate subsystem is configured to at least one of convert direct current supplied by the energy storage device to alternating current as the power provided to the alternating current bus distribution unit or convert alternating current supplied by at least one of the alternating current generator or an off-board alternating current source to direct current as the power received by the energy storage device, wherein the intermediate subsystem includes a switching device that closes to conductively couple the energy storage device and the intermediate subsystem with the alternating current bus distribution unit and that opens to disconnect the energy storage device and the intermediate subsystem from the alternating current bus distribution unit while the alternating current bus distribution unit and the alternating current generator remain conductively coupled with the plurality of subsystems. - View Dependent Claims (12, 13, 14, 15, 16, 17, 25, 26, 27)
-
-
18. A method comprising:
-
coupling an energy storage device that supplies first direct current and that is disposed onboard a marine vessel with a converter device; coupling the converter device with a switching device that is conductively coupled with an alternating current bus that couples an alternating current generator with one or more alternating current loads onboard the marine vessel, the converter device configured to convert the first direct current from the energy storage device to a first alternating current, the converter device also configured to convert second alternating current provided from at least one of the alternating current generator or an off-board power source to second direct current for charging the energy storage device; coupling the one or more alternating current loads of the marine vessel with the alternating current bus to be powered by the first alternating current converted by the converter device from the direct current supplied by the energy storage device while at least one engine of the marine vessel is not operating or is operating at a reduced power output to reduce at least one of fuel consumed, emission output, or mechanical noise output by the marine vessel; and controlling the switching device to control when the energy storage device and the converter device are conductively coupled with the alternating current bus, the switching device closing to conductive couple the energy storage device and the converter device with the alternating current bus, the switching device opening to disconnect the energy storage device and the converter device with the alternating current bus while the alternating current generator remains coupled with the one or more alternating current loads. - View Dependent Claims (19, 20, 21)
-
-
28. A system comprising:
-
an energy storage device configured to be disposed aboard a marine vessel having an alternating current bus that is connected with an alternating current generator and alternating current loads; and a converter device configured to be conductively coupled with the energy storage device and the alternating current bus to receive first direct current from the energy storage device and convert the first direct current to a first alternating current that is supplied to the alternating current loads on the alternating current bus, the converter device also configured to receive second alternating current from at least one of the alternating current generator or an off-board source and convert the second alternating current to a second direct current that charges the energy storage device, wherein the converter device is further configured to control flow of the first alternating current to the alternating current loads such that the converter device can stop the flow of the first alternating current while the alternating current loads are powered by the alternating current generator. - View Dependent Claims (29)
-
Specification