Engineering and Maintenance
Condition Monitoring System for Instrument and Mechanical

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Condition Monitoring System for Instrument and Mechanical Course
Introduction:
Course Objectives:
- Understand typical failure modes associated with Cables, Switchgears and Transformers.
- Understand typically used on- and offline diagnostic tests for condition monitoring of Cables, Switchgears and Transformers.
- Understand the interrelationships of various on- and offline diagnostic tests.
- Understand the interpretation of test results.
At the end of this course, the electrical power engineers will be equipped with a better understanding of what to do, when to do it and how to interpret the results from on- and offline diagnostic tests on Cables, Switchgears and Transformers. In effect, utilities and industries may avoid expensive failures and unscheduled outages, and most importantly, personal injury.
Who Should Attend?
This course is specially designed for Engineers and Technologists dealing with Operation, Mechanical Maintenance & Testing of Switchgears, Cables and Power Transformers.
Course Outlines:
Cable Diagnostics
- Brief overview of types of cables and its accessories.
- Failure modes of cables and its accessories.
- Destructive and off-line tests - HVDC, HVAC, VLF & OSW.
- Non-destructive and off-line tests - PD mapping.
- Non-destructive and off-line tests -RVM and Dielectric Spectroscopy.
- Non-destructive and on-line tests- HFCT, Ultrasonic.
- Case Study Lecture, Discussions & Exercise Power Point
Switchgear Diagnostics
- Brief overview of switchgear construction - VCB & SF6.
- Failure modes of switchgear.
- Hipot test.
- Contact resistance test.
- Insulation resistance test.
- Power factor/ Tan Delta test.
- Timing test.
- On-line tests - Partial Discharge & Thermography.
- Case Study
Transformer Diagnostics
- Brief overview of transformer construction
- Brief overview on oil and paper insulation degradation
- Failure modes of transformer and OLTC.
- OLTC monitoring through motor current signature analysis
- Dissolved Gas Analysis.
- Furan Analysis.
- Degree of Polymerisation test.
- Case Study Lecture, Discussions & Exercise Power Point
- Partial Discharge Analysis - Acoustic and HFCT.
- Off-line tests - PI, Winding resistance, Turns ratio.
- Case Study
- Return Voltage Measurement
- Frequency Response Analysis
- Case Study