Generator, Transformer, and Motor Protection
Interactive

Generator, Transformer, and Motor Protection

Martech
Updated Jan 21, 2021

 At the end of this lesson, you will understand the principles of operation governing ground fault protection, phase-to-phase short circuit, time overcurrent protection, and motor overload protection.

• Describe types of ground circuit connections for a generator

• Compare the current flow for various types of generator ground connections

• Describe the function of a differential current relay

• Discuss the number of relays needed for three-phase, differential overcurrent protection