Patent ID: 11862999
Assignee: FORTUNE ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. An activation method for surge protection modules, applicable to the online reconfigurable battery system with surge protection modules according to claim 3, the activation method comprising the following steps:
Step S501: Start the battery system and perform initialization;
Step S502: Check each SPM; if a fault is detected in the SPM, go to step S503; otherwise, go to step S505;
Step S503: Set the old setting (old_GPIO) of the SPM to the third switch and the fourth switch to be off (L, L) at the same time;
Step S504: The SPM enters the disconnect mode until a reset command is received; when the reset command is received, return to step S502;
Step S505: Read a new setting (new_GPIO) command;
Step S506: If the new setting is (H, H) or (L, L), perform step S507;
Step S507: Store the new setting (new_GPIO) into the old setting (old_GPIO); then return to step S504;
Step S508: If the new setting (new_GPIO) is different from the old setting (old_GPIO), go to step S509; otherwise, go to step S512;
Step S509: The new setting (new_GPIO) is stored in the old setting (old_GPIO); the SPM enters the resistor mode, and then gradually fades out of the resistor mode;
Step S510: if the current is higher than a threshold value, go to step S511;
otherwise, go to step S512;

Step S511: Set the old setting (old_GPIO) to (H, H); then return to step S504;
Step S512: The SPM enters the connection mode, and then waits until receiving a new setting command (new_GPIO) or detects an overcurrent condition, that is, surge current;
Step S513: If the surge current is detected, return to step S509; otherwise, return to step S505.