Transformer Protection (1.0 CEHs)

Learning objectives

• Recall the basic construction of a common power transformer
• Identify the different types of transformer faults
• Identify the different types of pressure protection
• Recall the advantages and disadvantages of using fuses, circuit switchers, and circuit breakers for overcurrent protection
• Recall how ground fault protection is able to distinguish between an internal and external fault
• Recall the basic operation of differential protection
• Identify the different methods used to manage inrush current
• Identify the conditions required in order for reactor banks to perform similar to transformers
• Recall how capacitor banks detect and protect against severe imbalance
• Identify the limitations of differential protection with phase shifting transformers

Course overview