Research Article
Gearbox Fault Diagnosis of Wind Turbine by KA and DRT
Table 1
NF of the rotating system at different rotating speeds.
| | | | Speed (RPM) | | | | 0 | 100 | 500 | 1500 | 2000 | 2500 | 5000 | 10000 |
| | NF of each order /Hz | 1 | 316.1 | 356.8 | 368.8 | 386.6 | 399.8 | 415.5 | 425.8 | 489.5 | | 2 | 324.5 | 369.7 | 389.7 | 388.5 | 407.5 | 439.6 | 458.8 | 509.5 | | 3 | 332.1 | 372.1 | 421.9 | 424.5 | 435.6 | 479.8 | 501.9 | 578.4 | | 4 | 355.2 | 383.2 | 463.1 | 463.6 | 486.5 | 512.6 | 555.7 | 599.7 | | 5 | 376.4 | 409.5 | 475.3 | 478.7 | 498.8 | 556.8 | 603.5 | 605.5 | | 6 | 426.5 | 434.8 | 527.2 | 519.6 | 588.3 | 637.1 | 678.6 | 751.4 | | 7 | 468.7 | 601.5 | 668.6 | 638.8 | 691.1 | 732.8 | 783.7 | 868.6 | | 8 | 529.4 | 612.3 | 706.8 | 660.4 | 703.3 | 789.1 | 808.2 | 932.6 | | 9 | 580.3 | 633.3 | 743.3 | 693.7 | 756.3 | 827.1 | 896.5 | 1031.3 | | 10 | 604.4 | 698.3 | 772.5 | 731.5 | 792.5 | 894.1 | 935.5 | 1072.3 |
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