Cable Failure Investigations

 

07th-08th July 2021 Europe Online

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ABOUT THE COURSE

Cable Failure Investigations

DAY 1
 
 
SESSION 1 : Failure and Mechanism – Cable Fault Characteristics 

 

  • Different types of cables systems
    • Extruded Cable Systems
      • XLPE
      • EPR
  • Paper Cable Systems
    • Fluid filled cables
    • MI cables
  • Accessories
  • Mixed Cable Systems
 
SESSION 2 : Types of Failure Causes in cables

 

  • Design faults
  • Faults during production
  • Installation faults
    • Degradation mechanisms for cables
      • Water trees
      • Electrical treeing
      • Contaminants, protrusion of the semi-conductive layers and voids in the insulation and at interfaces.
      • Thermal Degradation
      • Sheath-faults
        • Moisture ingress and water ingress
        • Neutral corrosion
      • Lead corrosion
    • Oil starvation
 
SESSION 3 : Types of Failure Causes in accessories

 

  • Design faults
  • Installation faults
  • Dry electrical
  • Contaminated Interface
  • Thermal degradation due to failed connectors and/or high current:
  • Mechanical pressure
  • Localized Electrical Stresses (joints for PILC-cables)
BREAK
 
 
SESSION 4 : Step By Step Procedure For Successful Location Of Cable Faults 
 
SESSION 5 : Root Cause Analysis – Process, Steps, Challenges and Application
 
END OF DAY 1

 

DAY 2
 
 
SESSION 6 : Prelocation By Pulse Injection and Using Fault Generated Transients
 
SESSION 7 : VLF Testing and Diagnostics-VLF vs DC high pot testing, PD and loss angle measurements, PD mapping

 

  • Different test methods
  • Commonly available
  • Experimental
 
SESSION 8 : HV and EHV Cables- On-line fault location & Sheath fault location

 

  • Differences to MV cable systems
 
SESSION 9 : Commercially Available Equipment and Failure Investigation & Analysis Tools

 

  • TST-Transgressive System Tract
  • HST-Highstand System Track
  • LST –Lowstand System Tract
  • FSST- Falling –Stage System Tract
  • Hierarchy in Sequence Stratigraphy
BREAK
 
SESSION 10 : Current Challenges, Minimize Power Cables Failures & Cables Materials

 

 
SESSION 11 : Maintenance Strategies to Avoid Failure

 

  • Condition Assessment Strategies
 
COURSE ENDS

 

 

 

COURSE OUTLINE

Cable Failure Investigations


DAY 1
 
 
SESSION 1 : Failure and Mechanism – Cable Fault Characteristics 

 

  • Different types of cables systems
    • Extruded Cable Systems
      • XLPE
      • EPR
  • Paper Cable Systems
    • Fluid filled cables
    • MI cables
  • Accessories
  • Mixed Cable Systems
 
SESSION 2 : Types of Failure Causes in cables

 

  • Design faults
  • Faults during production
  • Installation faults
    • Degradation mechanisms for cables
      • Water trees
      • Electrical treeing
      • Contaminants, protrusion of the semi-conductive layers and voids in the insulation and at interfaces.
      • Thermal Degradation
      • Sheath-faults
        • Moisture ingress and water ingress
        • Neutral corrosion
      • Lead corrosion
    • Oil starvation
 
SESSION 3 : Types of Failure Causes in accessories

 

  • Design faults
  • Installation faults
  • Dry electrical
  • Contaminated Interface
  • Thermal degradation due to failed connectors and/or high current:
  • Mechanical pressure
  • Localized Electrical Stresses (joints for PILC-cables)
BREAK
 
 
SESSION 4 : Step By Step Procedure For Successful Location Of Cable Faults 
 
SESSION 5 : Root Cause Analysis – Process, Steps, Challenges and Application
 
END OF DAY 1

 

DAY 2
 
 
SESSION 6 : Prelocation By Pulse Injection and Using Fault Generated Transients
 
SESSION 7 : VLF Testing and Diagnostics-VLF vs DC high pot testing, PD and loss angle measurements, PD mapping

 

  • Different test methods
  • Commonly available
  • Experimental
 
SESSION 8 : HV and EHV Cables- On-line fault location & Sheath fault location

 

  • Differences to MV cable systems
 
SESSION 9 : Commercially Available Equipment and Failure Investigation & Analysis Tools

 

  • TST-Transgressive System Tract
  • HST-Highstand System Track
  • LST –Lowstand System Tract
  • FSST- Falling –Stage System Tract
  • Hierarchy in Sequence Stratigraphy
BREAK
 
SESSION 10 : Current Challenges, Minimize Power Cables Failures & Cables Materials

 

 
SESSION 11 : Maintenance Strategies to Avoid Failure

 

  • Condition Assessment Strategies
 
COURSE ENDS

 

 

Work Experience 

  • Former Employee of
    • BP Chemicals Switzerland
    • Borealis Belgium -Technical support of cable production, claims handling and failure investigations in cables
    • Brugg Cables, Switzerland – Technical Support and Business Development
  • Since 2011 CEO of Consultant Company in Switzerland
  • Member of several Cigre working groups
  • Convener of Cigre working group B1-58, Assessment Strategies in Medium Voltage Cable Network
  • Member of several ICC working groups
  • Chair of ICC working group A13W, A06D and Network luncheon
  • Member of Swiss TC20

 

 

Early Birth Ends on 10th May 2021 

 

 

FEE
 
 £599 (Early Bird)
£799 (Usual Price)
 
           07th-08th July 2021 

   

 

Registration fee only covers cost of all sessions & presentations. Fee is not inclusive of 6% Admin/Bank Charges.

 

Venue:

Online, Instructor Led Virtual Course

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