Wind Turbine Condition MonitoringDr Steve DyeBusiness Development and Marketing Manager, ConditionMonitoring Business Unit.
What does it offer? - Wear Debris & Vibration
Wear Debris Analysis    Wear Particle Concentration                                                                       ...
Wear Debris Sensor • Detects Metallic Wear Debris Particles in Oil • Reports Size, Number, Ferrous/Non-Ferrous & Rate • Pu...
Wear Debris Sensor Demonstration
5           0                   10                                            25                                          ...
Wear Events – Particles Generated                                                                                         ...
Post Event Gearbox Inspection              Magnetic Dip-Stick              Ferrous Metallic Wear Debris Evident           ...
Post Event Laboratory Report                    Filter Analysis                    Previous Filter = 22mg Wear Debris     ...
Pre Wear Event Filter Analysis Example Filter Debris - Ferrous Metallic   Sliding Wear             Sliding Wear Example Fi...
Post Wear Event Filter Analysis Example Filter Debris - Ferrous Metallic  Cutting Wear              Sliding Wear Example F...
Conclusions• Sudden application of brake due to wind gust  caused stresses back through gearbox and  generator• This cause...
Questions?             13
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Wind Turbine Condition Monitoring - Wear Debris Monitoring of Wind Turbine Gearboxes | Electromechanical - Parker Kittiwake

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www.parker.com/hfde - Dr. Steve Dye, Business Development and Marketing Manager of Parker Hannifin's Kittiwake Division presented at Hannover Messe 2013. Conclusions of the presentation are that wear debris detection is effective at picking up early signs of damage within wind turbine gear boxes. In addition, particle size increases as severity of damage increases - earliest detection provided by the smallest particles.

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Wind Turbine Condition Monitoring - Wear Debris Monitoring of Wind Turbine Gearboxes | Electromechanical - Parker Kittiwake

  1. 1. Wind Turbine Condition MonitoringDr Steve DyeBusiness Development and Marketing Manager, ConditionMonitoring Business Unit.
  2. 2. What does it offer? - Wear Debris & Vibration
  3. 3. Wear Debris Analysis Wear Particle Concentration Catastrophic Failure Advanced Failure Mode Onset of Severe Wear Mode Benign Wear Microns .1 1 10 100 1,000 Wear Particle Size Being Generated Source Moubray et al
  4. 4. Wear Debris Sensor • Detects Metallic Wear Debris Particles in Oil • Reports Size, Number, Ferrous/Non-Ferrous & Rate • Puts particle numbers into different “Bin’s” depending on size and material composition (Fe vs. Non-Fe) • Early Detection of Increased Wear, Change in Wear Mechanism, Advanced Wear and Catastrophic Wear
  5. 5. Wear Debris Sensor Demonstration
  6. 6. 5 0 10 25 30 45 15 20 35 4001/10/0902/10/0903/10/0904/10/0905/10/0906/10/0907/10/09 1st Event08/10/0909/10/0910/10/0911/10/0912/10/0913/10/0914/10/09 3 Weeks15/10/0916/10/0917/10/0918/10/09 Particles per minute19/10/0920/10/0921/10/0922/10/09 01/10/09 to 05/11/0923/10/09 AvgWindSpeed24/10/0925/10/0926/10/0927/10/0928/10/0929/10/0930/10/09 Wear Events – Wear Rate Vs Wind Speed31/10/0901/11/0902/11/09 2nd Event03/11/0904/11/09
  7. 7. Wear Events – Particles Generated 01/10/09 to 05/11/09 Ferrous particle count (40 to 60µm) Ferrous particle count (60 to 100µm) Ferrous particle count (100 to 200µm) Ferrous particle count (200 to 300µm) Ferrous particle count (>300µm) 35000 30000 25000 1st Event 2nd Event 20000 15000 10000 5000 3 Weeks 0 04/10/09 09/10/09 11/10/09 14/10/09 16/10/09 21/10/09 26/10/09 28/10/09 31/10/09 02/11/09 01/10/09 02/10/09 03/10/09 05/10/09 06/10/09 07/10/09 08/10/09 10/10/09 12/10/09 13/10/09 15/10/09 17/10/09 18/10/09 19/10/09 20/10/09 22/10/09 23/10/09 24/10/09 25/10/09 27/10/09 29/10/09 30/10/09 01/11/09 03/11/09 04/11/09
  8. 8. Post Event Gearbox Inspection Magnetic Dip-Stick Ferrous Metallic Wear Debris Evident High Speed Shaft Roller Element Circumferential Surface Scoring Evident Shaft Gears Slight Scuffing Evident
  9. 9. Post Event Laboratory Report Filter Analysis Previous Filter = 22mg Wear Debris (3 Months Use) “Event” Filter = 59mg Wear Debris (3 Months Use) Filter Back-Washed and Analysed by SEM >40% of Debris: “Flakes and Slivers of Iron up to 1.6mm x 0.4mm”
  10. 10. Pre Wear Event Filter Analysis Example Filter Debris - Ferrous Metallic Sliding Wear Sliding Wear Example Filter Debris – Non-Ferrous Metallic Sliding Wear Sliding Wear
  11. 11. Post Wear Event Filter Analysis Example Filter Debris - Ferrous Metallic Cutting Wear Sliding Wear Example Filter Debris – Non-Ferrous Metallic Possible Cutting Wear Sliding Wear
  12. 12. Conclusions• Sudden application of brake due to wind gust caused stresses back through gearbox and generator• This caused thrust bearing housing to rotate in its cast iron mounting – giving the resulting cutting wear metallic particles in oil• Wear Debris detection effective at picking up early signs of damage within the gear box• Particle size increases as severity of damage increases – earliest detection of damage is provided by detection of smallest particles 12
  13. 13. Questions? 13

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