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TRANSCRIPT
Predictive Maintenance Application
About us
• Tun Towichakchaikun • Reliability Engineer
• Panya Tummajong • Reliability Supervisor
• Productive Maintenance department
• Energy division
• Siam Kraft Industry Co., Ltd.
• SCG Paper
Agenda
• Introduction to predictive maintenance
• Vibration application
• Thermography application
• Motor tester application
• Q&A
Introduction to Predictive Maintenance
In this presentation, we will cover …
• Vibration Analysis
• Infrared Thermography
• Motor Analysis
*Figure from SKF vibration level 1 material.
Vibration Analysis Application
Introduction to Vibration Analysis
*Figure from SKF vibration level 1 material.
Introduction to Vibration Analysis
• Acquire the vibration reading.
• Perform an analysis by comparing to the diagnostic standard.
• e.g. “Technical associates of Charlotte.”
Introduction to Vibration Analysis
• Compare the severity to the standard.
• e.g. ISO 10816-3
• e.g. ISO 7919-3
Case study 1 : Force Draft Fan
Case study 1 : Force Draft Fan
Case study 2 : Cooling Water Pump
Case study 2 : Cooling Water Pump
Case study 3 : Vacuum Pump
Case study 3 : Vacuum Pump
Case study 4 : Induced Draft Fan
Case study 4 : Induced Draft Fan
Infrared Thermography Application
Introduction to Infrared Thermography
R
E
T
Total Radiation from Object = R + T + E
R = Reflected Energy T = Transmitted Energy E = Emitted Energy from Object
IR Application : Boiler Insulation
IR Application : Electrical
Motor Analysis Application
Introduction to Motor Analyzer Fault Zone Online Analyzer
Power Quality Power Analysis Phase-to-Phase Voltages Harmonic Voltage Factor Voltage THD
Power Circuit Power Analysis Voltage Imbalance Current Imbalance
Insulation N/A
Stator Power Analysis Impedance Imbalance Phase Power Factors
Rotor Rotor Evaluation Pole-Pass Frequency sideband amplitude Swirl Effect at 5th Harmonic
In-Rush / Start-Up
Air Gap Eccentricity Amplitude of the 1st and 3rd sidebands of line frequency at the eccentricity frequency* *Eccentricity Frequency = (#Bars)(Shaft RPM/60)
Case study 5 : Combined Technology
Case study 6 : Combined Technology