Transcript Recommended PdMs Prior To Shutdown

Recommended PdMs Prior To Shutdown
• Visual Inspection
• Vibration
 Wear in bearings, gears, belts
 Alignment of rotating components
 Balance of machines and loads
 Lubrication of bearings
 Looseness - mounting and wear
 Resonances – naturally occurring
• Infrared
 MCC electrical components and connections
 Rotating machines, loads and mechanical connections
 Transformers
• Bearing Discharge
 VSD motors
Recommended PdMs Prior To Shutdown
• Power & Current Signature Analysis (CSA)
 Motors for SF overloading, rotors, mechanical issues & start up issues
 VSDs and Soft Starts
 Transformers
 Generators
 PF measurement
• Ultrasound
 MCC electrical components and connections
 Air Leaks
• Partial Discharge (≥ 4 kV only)
 MCC electrical components and connections
 Motors
 Generators
 Transformers
• Oil Analysis
 Transformers
Recommended PdMs During Shutdown
• Visual Inspection
• Electric Circuit Analysis
 Motors & motor auxiliary components
 Feeder cables
 Motor rotors if problem suspected
 Generators
 Capacitors
• Insulation Assessment (IR, PI, Hipot, Impulse & PD)
 MCC electrical components
 Motors
 Generators
 Transformers
 Cables
Torq Reliability Services Delivery Methods
1. Train & mentor your staff
2. Data Analysis of data collected by your staff
3. Supplemental Field Services during shutdowns or
extraordinary circumstances
4. Turn Key Field Services including data collection
and analysis per schedule
Torq Technical Expertise – 1 of 3
• Insulation Assessment
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Insulation Resistance/Polarization Index
DC High Voltage
AC Line Frequency High Voltage
VLF High Voltage
High Voltage Impulse/Surge
Off-Line Partial Discharge with Hipot and Impulse
On-Line Partial Discharge
Tan δ/Power Factor
• Current Signature Analysis
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Rotor Diagnostics
Load Diagnostics – Fans, pumps, conveyors, etc
Start Up Problems – Drives, Soft-Starts, Switchgear, etc.
Mechanical Diagnostics – bearings, gearboxes, etc
Torq Technical Expertise – 2 of 3
• Electric Circuit Analysis
 Resistance
 Inductance/Impedance
 Capacitance
 Rotor Influence Check (RIC)
• Power Analysis
 Power quality
 Voltage transients
 Process optimization
• Visual Inspections
• Infrared Thermography
Torq Technical Expertise – 3 of 3
• Ultrasound Surveys
 Leaks
 Bearing arcing
 Electrical discharge
• Efficiency Estimation
• Consulting
 Data analysis
 Root cause
 Training/ Mentoring
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Partner with other companies to perform
mechanical services: vibration, oil analysis,
alignment and balancing.