Description
Course Description: Many industrial customers choose to perform general testing and maintenance on incoming utility substations and downstream substations within the plant perimeters. This class provides the information and hands-on training to test and maintain most of the major components of the substation except for the main transformer and protective relays.
Prerequisites: Basic electrical training, some field experience and basic knowledge of switchgear.
Course Learning Objective:
- Theory, construction, and operation of common types of medium voltage metal-enclosed switchgear and circuit breakers, including air-magnetic and vacuum.
- How to interpret ratings and nameplate data and identify breaker ratings and vacuum
- Understand how medium-voltage circuit breakers operate, and know the primary causes of failure.
- Safety requirements when operating, racking, testing or maintaining circuit breakers
- Required testing and maintenance of medium-voltage metal enclosed circuit breakers and switchgear in accordance with ANSI/NETA MTS.
- Tests commonly performed on circuit breakers and their associated switchgear
- How to maintain batteries in accordance with ANSI/NETA MTS
- Ground testing theory and interpreting test results in accordance with ANSI/ NETA MTS
Hands-on Lab Session:
- Racking circuit breakers
- Perform and evaluate common circuit breaker electrical tests including insulation resistance, DC overpotential, contact resistance, insulation power factor and timing utilizing equipment from a variety of manufacturers.
- Perform routine maintenance on medium-voltage air and vacuum circuit breakers
- Perform clamp-on ground test and interpret the results
- Test and evaluate battery systems.
