Maintenance, Testing & Troubleshooting

This course is designed for personnel responsible for maintenance, testing and troubleshooting low voltage power circuit breakers, protective relays, breaker trip devices and switchgear panels. The lab provides students with the opportunity to work on a variety of low voltage circuit breakers.

Course Content

At the completion of this course, students will have knowledge of breaker and breaker protective device operation and will be able to remove and replace all breaker components.

Agenda topics include:

• Introduction to low voltage switchgear
• Load center srrangements
• Nature of short circuits and arc interruption
• Switchgear print reading
• Insulated case circuit breakers
• Switchgear panel instrumentation
• Fuses and protective relays
• Power system and equipment grounding
• Breaker sdjustments and lubrication
• Breaker front and rear frame separation process
• Maintenance and troubleshooting

Prerequisites

• As instruction is given in English, a reasonable ability to read and understand English.

The following training dates are available in 2009:

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