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To address the lack of real-time monitoring for wind turbine pitch control system power supplies and the cumbersome replacement procedures during failures, this paper proposes a hot-swappable dual-module switching power supply system based on microcontroller control. This solution enables faulted power supply replacement without system shutdown. This solution adopts a modular dual-power-supply redundant architecture. The power supply is designed based on a flyback circuit with modular components, featuring a wide input voltage range of 20~80 V and a stable output of up to 24 V/3 A. It integrates an STM32 microcontroller and TPS2491 hot-swap chip, enabling automatic switching during power failures and supporting rapid hot-swap replacement of faulty units. A monitoring platform developed using the Bootstrap5 framework was established to achieve intelligent power supply monitoring and management. Experimental results demonstrate that the system achieves short switching times (≤10 ms under full load conditions) and minimal voltage dips during power failures. Concurrently, the monitoring platform enables real-time power status monitoring, fault alerts and operational data analysis, thereby enhancing the power supply reliability of the variable pitch system.
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针对风力发电机变桨系统电源缺少实时监控，且故障时更换步骤繁杂的问题，提出一种基于单片机控制的可热拔插双模块开关电源系统方案，实现了在不停机状态下的故障电源更换。该方案采用模块化双电源冗余架构，电源基于反激电路设计并进行模块化设计，具备20～80 V宽电压输入范围和最大24 V/3 A的稳定输出，集成STM32单片机与TPS2491热拔插芯片，电源故障时自动切换，支持故障电源的快速拔插更换。并搭建基于Bootstrap5框架开发的监控平台，实现电源的智能监控管理。实验结果表明，该系统在电源故障时切换时间短（满载工况下≤10 ms）、电压暂降小。同时，监控平台实现电源状态的实时监控、故障报警及运行数据分析，提升变桨系统供电可靠性。
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陈柏轩，硕士生导师，主要研究方向为嵌入式系统与人工智能。E-mail: boboc01@126.com
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陈柏轩，硕士生导师，主要研究方向为嵌入式系统与人工智能。E-mail: boboc01@126.com
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黄君艺，硕士研究生，主要研究方向为开关电源设计与控制。E-mail: 863804701@qq.com
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黄君艺，硕士研究生，主要研究方向为开关电源设计与控制。E-mail: 863804701@qq.com
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