초록 ▼

An electrical system (12) is provided for an automotive vehicle (10) having a first power source (14) with a first positive terminal (16) and first negative terminal (18). A second power source (20) having a second positive terminal (22) and a second negative terminal (24) is also provided. A common

An electrical system (12) is provided for an automotive vehicle (10) having a first power source (14) with a first positive terminal (16) and first negative terminal (18). A second power source (20) having a second positive terminal (22) and a second negative terminal (24) is also provided. A common electrical node N2is coupled to the first negative terminal and the second positive terminal. A first load (26) is coupled between the first positive terminal and the second node N2. A second load (28) is coupled between the common node N2and the second negative terminal (24).

대표청구항 ▼

1. An electrical system for an automotive vehicle comprising: a first power source having a first positive terminal and a first negative terminal; a second power source having a second positive terminal and a second negative terminal; a common electrical node coupled to said first negative term

1. An electrical system for an automotive vehicle comprising: a first power source having a first positive terminal and a first negative terminal; a second power source having a second positive terminal and a second negative terminal; a common electrical node coupled to said first negative terminal and said second positive terminal; a first load coupled between said first positive terminal and said common node; and a second load coupled between said common node and said second negative terminal; and an inverter coupled to said first positive terminal and said second negative terminal. 2. An electrical system for an automotive vehicle as recited in claim 1 further comprising an inverter motor generator coupled to said inverter. 3. An electrical system for an automotive vehicle as recited in claim 1 further comprising an inverter coupled to a series combination of said first power source and said second power source. 4. An electrical system for an automotive vehicle as recited in claim 1 wherein said common node comprises a chassis ground. 5. An electrical system for an automotive vehicle as recited in claim 1 wherein said first power source comprises a 42 volt source. 6. An electrical system for an automotive vehicle as recited in claim 1 wherein said second power source comprises a 42 volt source. 7. An electrical system for an automotive vehicle as recited in claim 1 wherein said first power source has a first voltage rating and said second power source has a second voltage rating equal to said first voltage rating. 8. An electrical system for an automotive vehicle as recited in claim 1 further comprising a switch and a controller, said switch electrically coupling said first power source and said second power source in parallel. 9. An automotive vehicle comprising: a first power source having a first positive terminal and a first negative terminal; a second power source having a second positive terminal and a second negative terminal; a chassis ground coupled to said first negative terminal and said second positive terminal; a first load coupled between said first positive terminal and said chassis ground; a second load coupled between said chassis ground and said second negative terminal; an inverter coupled to said first positive terminal and said second negative terminal; and an integrated motor generator coupled to said inverter. 10. An automotive vehicle as recited in claim 9 wherein said first power source comprises a 42 volt source. 11. An automotive vehicle as recited in claim 9 wherein said second power source comprises a 42 volt source. 12. An automotive vehicle as recited in claim 9 wherein said first power source has a first voltage rating and said second power source has a second voltage rating equal to said first voltage rating. 13. An automotive vehicle as recited in claim 9 further comprising a switch circuit and a controller, said switch circuit electrically coupling said first power source and said second power source in parallel. 14. A method of operating an electrical system for an automotive vehicle comprising: operating a first load with a first power source; operating a second load with a second power source; forming a series combination of said first power source and said second power source; and operating an inverter with said series combination. 15. A method as recited in claim 14 further comprising forming a common node between said first power source, said second power source, said first load and said second load. 16. A method as recited in claim 14 further comprising switching said series combination to a parallel combination in response to a predetermined condition. 17. A method as recited in claim 16 wherein said predetermined condition comprises a non-motoring mode.