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  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  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 Partner with other companies to perform mechanical services: vibration, oil analysis, alignment and balancing.