Electrical Switchgear Maintenance

This training Program consists of four Videotapes/DVD’s that train students to test, troubleshoot and repair/replace switchgear, protective relays, and transformers.

Audience: This program is excellent both for the training of electricians and maintenance mechanics as well as for the multi-craft training needs of process and manufacturing facilities.

Switchgear (2 Tapes Set)


Topics:

Switchgear – Tape 1

 

  • Circuit Breakers
  • Circuit Breaker Contacts
  • Control Circuits
  • Circuit Breaker Connections
  • Racking a Breaker
  • Circuit Breaker Disassembly and Inspection
  • Testing Breaker Contacts

Switchgear – Tape 2

  • Checking Main Contact Pressure
  • Checking Main
  • Contact Resistance
  • Additional Breaker Tests
  • Checking the Control Circuits
  • Lubricating the Disconnects
  • Circuit Breaker Reinstallation
  • Final Tests
  • Inspecting Bus Work

Protective Relays


Topics:

 

  • Introduction to Protective Relays
  • Relay Circuits
  • Types of Protective Relays
  • Electromagnetic Relays
  • Relay Maintenance
  • Relay Removal and Inspection
  • Relay Calibration
  • Relay Reinstallation

Transformers


Topics:

 

  • Introduction to Transformers
  • De-Energizing and Grounding
  • Testing for Combustible Gases
  • Testing Winding Resistance
  • Drawing an Oil Sample
  • Performing a Dielectric Test
  • Drawing an Air-Free Oil Sample
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