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

Claim 8:
9. The activation method for surge protection modules according to claim 5, wherein the condition for SPM to enter the connect mode from the resistor mode is: in the resistor mode, when the current value is less than the threshold value (Ithreshold), the threshold value can be calculated by the following method: Ithreshold=Iconnect-max*(Rconnect/RR-mode), where Rconnect is the total resistance value of the battery module string in connect mode, and RR-mode is the resistance value of the variable resistor and Rconnect is the total resistance value of the battery module string in the connect mode, and Iconnect-max is the maximum allowable current value. The Ithreshold calculated in this way is the current threshold value for the SPM to enter the connect mode from the resistor mode.