Course Objectives
Pad-Mounted Transformers
Describe the general construction and features of a pad-mounted transformer.
Pad-Mounted Transformer Installation
Describe an installation procedure for a three-phase pad-mounted transformer that includes the following steps: site preparation, transformer installation, and testing.
Troubleshooting a Three-Phase Transformer, Part 1
Define "one leg open" and describe its symptoms.
Define "ferroresonance" and describe its symptoms.
Define "off ration winding" and describe its symptoms.
Define "open neutral" and describe its symptoms.
Troubleshooting a Three-Phase Transformer, Part 2
Describe or demonstrate how the troubleshooting process can be used to isolate the cause of a problem in a three-phase pad-mounted transformer.
Pad-Mounted Switchgear
Identify two types of pad-mounted switchgear.
Describe the use of pad-mounted to sectionalize and isolate a underground residential distribution (URD) system.
Describe some typical and operational checks for pad-mounted switchgear.
Pad-Mounted Switchgear Operation
Describe or demonstrate the use of pad-mounted switchgear to sectionalize and isolate equipment in an underground feeder system.
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