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Review of fault monitoring and diagnosis for induced draft fans in power stations
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Hengxin ZHAO, Yi WANG, Xin HE, Minghao LI, Kaiwen DENG
Thermal Power Generation | 2025, 54(10) : 63 - 72
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Thermal Power Generation | 2025, 54(10): 63-72
• Thermal energy science research •
Review of fault monitoring and diagnosis for induced draft fans in power stations
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Hengxin ZHAO, Yi WANG, Xin HE, Minghao LI, Kaiwen DENG
Affiliations
  • Xi’an Thermal Power Research Institute Co, Ltd, Xi’an 710054, China
Published: 2025-10-25 doi: 10.19666/j.rlfd.202412247
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Induced draft fans in power plants run under complex and harsh conditions, where various faults often occur. These faults not only affect the fans’ safety and stability but also pose an indirect threat to normal operation of the boiler system. Thus, early fault monitoring and prompt, accurate diagnosis are essential to ensure the power plants’ operation efficiency and safety. Common fault types of forced draft fans and their potential effects are analyzed and summarized. Three typical fault types and their causes are explained in detail. Fault monitoring and diagnosis methods are elaborated from both quantitative and qualitative perspectives, including measurement point installation and data processing techniques. Each method’s advantages and disadvantages are analyzed, and suitable applications for different fault types are discussed, along with proposed targeted improvement measures. Finally, key challenges of fault diagnosis are identified, and future development directions for forced draft fans’ fault monitoring and diagnosis are outlined.

induced draft fan  /  fault monitoring  /  fault diagnosis
Hengxin ZHAO, Yi WANG, Xin HE, Minghao LI, Kaiwen DENG. Review of fault monitoring and diagnosis for induced draft fans in power stations[J]. Thermal Power Generation, 2025 , 54 (10) : 63 -72 . DOI: 10.19666/j.rlfd.202412247
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  • Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ24-H28)
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Year 2025 volume 54 Issue 10
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63
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Article Info
doi: 10.19666/j.rlfd.202412247
  • Receive Date：2024-12-03
  • Online Date：2026-03-05
  • Published：2025-10-25
Article Data
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History
  • Received：2024-12-03
Funding
Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ24-H28)
Affiliations
    Xi’an Thermal Power Research Institute Co, Ltd, Xi’an 710054, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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