Application US20190207395

STEPWISE BATTERY MODULE PRECHARGE AND POST-DISCHARGE OF HIGH VOLTAGE BATTERY SYSTEMS
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US20190207395

1. A method, comprising: (6) (4)

activating a first bypassable battery module, of a bypassable battery module system, to precharge an application bus through a precharge circuit,

wherein a first voltage difference between a first output voltage of the bypassable battery module system and a first application bus voltage is less than a total voltage of the bypassable battery module system based on activating the first bypassable battery module of the bypassable battery module system; and

activating a second bypassable battery module, of the bypassable battery module system, to precharge the application bus through the precharge circuit based on activating the first bypassable battery module,

wherein a second voltage difference between a second output voltage of the bypassable battery module system and a second application bus voltage is less than the total voltage of the bypassable battery module system based on activating the second bypassable battery module.

2. The method of claim 1, further comprising: (0) (2)

3. The method of claim 1, further comprising: (0) (2)

4. The method of claim 1, further comprising: (0) (1)

5. The method of claim 1, further comprising: (0) (1)

6. The method of claim 1, further comprising: (0) (2)

7. The method of claim 1, wherein the first voltage difference is equal to a voltage of the first bypassable battery module. (0)

8. A system, comprising: (6) (4)

a first battery module configured to activate to precharge an application bus through a precharge circuit,

wherein a first voltage difference between a first output voltage of the system and a first application bus voltage is less than a total voltage of the system based on the first battery module being activated; and

a second battery module configured to activate to precharge the application bus through the precharge circuit after the first battery module is activated,

wherein a second voltage difference between a second output voltage of the system and a second application bus voltage is less than the total voltage of the system based on the second battery module being activated.

9. The system of claim 8, wherein the second battery module is configured to activate based on the first voltage difference between the first output voltage of the system and the first application bus voltage being less than a threshold voltage difference. (0)

10. The system of claim 8, wherein the second battery module is configured to activate based on a threshold amount of time having elapsed after the first battery module is activated. (0)

11. The system of claim 8, wherein a third output voltage of the system is equal to the total voltage of the system based on each battery module of the system being activated. (0)

12. The system of claim 8, wherein the second battery module is configured to enter a bypassed state to permit a post-discharge of the application bus. (0)

13. The system of claim 8, wherein the first voltage difference is equal to a voltage of the first battery module. (0)

14. The system of claim 8, wherein the second battery module is configured to activate based on a condition being satisfied. (0)

15. A device, comprising: (5) (5)

one or more processors to:

activate a first bypassable battery module, of a bypassable battery module system, to precharge an application bus through a precharge circuit,

activate a second bypassable battery module, of the bypassable battery module system, to precharge the application bus through the precharge circuit based on activating the first bypassable battery module,

16. The device of claim 15, where the one or more processors are further to: (0) (2)

17. The device of claim 15, where the one or more processors are further to: (0) (2)

18. The device of claim 15, where the one or more processors are further to: (0) (2)

19. The device of claim 15, where the one or more processors are further to: (0) (2)

20. The device of claim 15, where the one or more processors are further to: (0) (1)

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Application US20190207395

STEPWISE BATTERY MODULE PRECHARGE AND POST-DISCHARGE OF HIGH VOLTAGE BATTERY SYSTEMS

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