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Optimization of heat dissipation and cooling for large-scale wind power generators based on SmartMesh IP wireless network communications
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DOI：10.23919/jcc.fa.2025-0315.202604.png)
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Abstract
En 中文
Herein, we develop a wireless temperature monitoring system to address the insufficient real-time, high-precision, three-dimensional temperature field monitoring data for large-scale wind power generators (LSWPGs) thermal design. Our system is based on SmartMesh IP wireless mesh networks. Our innovations include: 1) the development of high-temperature-resistant, centrifugal-force-resistant miniaturized wireless sensors, 2) implementation of the time-slotted channel hopping protocol to achieve sub-200 ms communication latency with a 99.999% packet delivery rate, 3) real-time temperature field reconstruction to achieve 95.9% hotspot identification precision and ±1°C measurement accuracy. Based on experimental data, we perform a coupled temperature field-flow field analysis to optimize LSWPG cooling performance. High-fidelity wireless sensing networks are combined with multi-physics simulation, forming a closed-loop, real-time monitoring system for the thermal design and optimization of LSWPGs. The system is deployed in 6–26 MW permanent magnet synchronous generators (Dongfang Electric Machinery Co., Ltd.), including the world's largest 26 MW offshore wind turbine (as of 2024).
Keywords:
large-scale wind power generator
smart-Mesh IP
temperature monitoring
thermal dissipation and cooling
wireless mesh networking technology
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