Abstract
When the output of explosion-proof lithium power supply is used in parallel, there exists the problem of non-uniform current between power sources, so a digital current-sharing strategy and module are designed. The digital current-sharing module uses the current-sharing MCU unit as the current regulating component to monitor the front-stage current and post-stage voltage, current and their feedback values of the power supply power circuit in real time. At the same time, the current compensation values are exchanged through the real-time communication bus, and the current-sharing modules of each power supply balance the current by adjusting the output current. The experimental results show that the problem of parallel current sharing of explosion-proof lithium power supply is solved effectively.
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