Abstract
Due to its strong fault resistance and greater system stability, the constant current (CC) observation network has gradually superseded the constant voltage (CV) observation network in engineering practice. Among the core functions of the seafloor observation network is the node power conversion technology. While this technology has notable advantages, it also faces several problems that constrain its practical applications, such as a complex control strategy and low efficiency of power balancer in the existing module stacking scheme. To overcome these problems, this paper proposes a load-sensing power conversion technology scheme, which uses a digital control strategy to dynamically adjust the power of the power balancer. By adopting the strategy of power equalization and unified control for each module in the system, it can control multiple modules like a single module, thus providing a solution for high-power observation network nodes.
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