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Dual redundant hot-swappable power supply systemdesign for wind turbine pitch systems
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Boxuan Chen, Junyi Huang, Pingping Gong
Electronic Measurement Technology | 2026, 49(6) : 1 - 9
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Electronic Measurement Technology | 2026, 49(6): 1-9
• Research and Design •
Dual redundant hot-swappable power supply systemdesign for wind turbine pitch systems
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Boxuan Chen, Junyi Huang, Pingping Gong
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  • School of Electrical Engineering, Guangxi University, Nanning 530004, China
doi: 10.19651/j.cnki.emt.2519188
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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.

hot swappable  /  wide voltage input  /  modular design  /  dual power redundancy  /  microcontroller control  /  intelligent monitoring
Boxuan Chen, Junyi Huang, Pingping Gong. Dual redundant hot-swappable power supply systemdesign for wind turbine pitch systems[J]. Electronic Measurement Technology, 2026 , 49 (6) : 1 -9 . DOI: 10.19651/j.cnki.emt.2519188
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Article Info
doi: 10.19651/j.cnki.emt.2519188
  • Receive Date：2025-06-24
  • Online Date：2026-05-15
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  • Received：2025-06-24
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    School of Electrical Engineering, Guangxi University, Nanning 530004, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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