High voltage energy regulated conversion circuit

1. A high-voltage energy regulated conversion circuit for coupling to a vehicle bus comprising:

a high-voltage energy converter (HVEC) module electrically coupled to the vehicle bus;

a battery bus electrically coupled to the HVEC module;

a water ethylene glycol (WEG) heater bus electrically coupled to the HVEC module;

a high-voltage battery pack electrically coupled to said battery bus;

a WEG heater circuit electrically coupled to said WEG heater bus; and

a logic controller electrically coupled to said HVEC module, said high-voltage battery pack, and said WEG heater circuit via a network, wherein said logic controller regulates the power on the vehicle bus, the battery bus, and the WEG heater bus and, wherein said HVEC module operates in multiple functional modes comprising a constant voltage mode, a constant current mode, and a constant battery current mode.

2. A circuit as in claim 1 wherein said WEG heater circuit further comprises a WEG heater.

3. A circuit as in claim 1 wherein said logic controller activates said WEG heater circuit to discharge excess battery energy.

4. A circuit as in claim 1 wherein said logic controller activates said HVEC module to accept power from the vehicle bus to said battery bus when the power level on the vehicle bus is greater than a predetermined value.

5. A circuit as in claim 1 wherein said logic controller activates said HVEC module to accept power from the vehicle bus to said heater bus when the power level on the vehicle bus is greater than a predetermined value.

6. A circuit as in claim 1 wherein said logic controller activates said HVEC module to supply power from said battery bus to the vehicle bus when the power level on the vehicle bus is less than a predetermined value.

7. A circuit as in claim 1 wherein said logic controller deactivates said HVEC module when the power level on the vehicle bus has not exceeded predetermined voltage limits.

8. A circuit as in claim 1 wherein said HVEC module maintains a state-of-charge (SOC) on said high-voltage battery pack.

9. A circuit as in claim 1 wherein said high-voltage battery pack comprises a battery control module (BCM), wherein said BCM assists said logic controller in monitoring high-voltage battery pack characteristics selected from at least one of voltage, current, power, temperature, and health of said high-voltage battery pack.

10. A circuit as in claim 9 wherein said logic controller adjusts power on said battery bus in response to a signal from said BCM by signaling said HVEC module.

11. A circuit as in claim 1 wherein said HVEC module charges said high-voltage battery pack by maintaining said high-voltage battery pack SOC.

12. A circuit as in claim 1 wherein said logic controller has a high-voltage battery pack maintenance algorithm, which allows said logic controller to regulate the SOC on said high-voltage battery pack.

13. An operational method for a high-voltage energy converter (HVEC) module comprising:

receiving an operational command signal;

operating in a determined functional mode;

voltage guarding a vehicle bus, a battery bus, and a water ethylene glycol (WEG) heater bus.

14. An operational method for a high-voltage energy converter (HVEC) module comprising:

receiving an operational command signal;

operating in a determined functional mode;

voltage guarding a vehicle bus, a battery bus, and a water ethylene glycol (WEG) heater bus.

15. An operational method for a high-voltage energy converter (HVEC) module comprising:

receiving an operational command signal;

operating in a determined functional mode; and

voltage guarding a vehicle bus, a battery bus, and a WEG heater bus comprising;

monitoring voltages on said vehicle bus, said battery bus, and said WEG heater bus comprising;

comparing voltage on said vehicle bus, said battery bus, and said heater bus with voltage guard limits; and

signaling a logic controller that voltage guard limits are reached;

comparing voltage levels on said vehicle bus, said battery bus, and said WEG heater bus;

determining whether voltage transfer between said vehicle bus, said battery bus, and said WEG heater bus is feasible; and

transferring power between said vehicle bus, said battery bus, and said WEG heater bus.

16. An operational method for a high-voltage energy converter (HVEC) module comprising:

receiving an operational command signal;

operating in a determined functional mode; and

voltage guarding a vehicle bus, a battery bus, and a WEG heater bus comprising;

monitoring voltages on said vehicle bus, said battery bus, and said WEG heater bus comprising;

comparing voltage levels on said vehicle bus, said battery bus, and said WEG heater bus;

determining whether voltage transfer between said vehicle bus, said battery, bus, and said WEG heater bus is feasible; and

transferring power between said vehicle bus, said battery bus, and said WEG heater bus comprising;

adjusting voltage on said vehicle bus, said battery bus, and said WEG heater bus to be within said voltage guard limits.

17. An operational method for a high-voltage energy converter (HVEC) module comprising:

receiving an operational command signal;

operating in a determined functional mode; and

voltage guarding a vehicle bus, a battery bus, and a WEG heater bus comprising;

monitoring voltages on said vehicle bus, said battery bus, and said WEG heater bus comprising;

comparing voltage levels on said vehicle bus, said battery bus, and said WEG heater bus;

determining whether voltage transfer between said vehicle bus,

said battery bus, and said WEG heater bus is feasible; and transferring power between said vehicle bus, said battery bus, and said WEG heater bus while said HVEC module is in a constant voltage mode, a constant current mode, and a constant battery current mode.

18. A fuel cell energy system having a vehicle high-voltage bus comprising:

a fuel cell electrically coupled to the vehicle high-voltage bus;

a high-voltage energy converter (HVEC) module electrically coupled to the vehicle high-voltage bus;

a battery-pack high-voltage bus electrically coupled to said HVEC module;

a WEG heater high-voltage bus electrically coupled to said HVEC module;

a high-voltage battery pack electrically coupled to said battery high-voltage bus;

a water ethylene glycol (WEG) heater electrically coupled to said WEG heater high-voltage bus; and

a logic controller electrically coupled to said HVEC module, said high-voltage battery pack, and said WEG heater circuit via a network, wherein said logic controller regulates the power on the vehicle high-voltage bus, the battery high-voltage bus, and the WEG heater high-voltage bus.