Moisture accumulating in electric motors and generator windings having a cold insulation resistance greater than 50,000 ohms may be baked out with internal heat. What is the usual method for developing this heat to evaporate the moisture?

Question

Accepted Answer

feeding current into the windings at low voltage

Answer

short circuiting the armature and field windings

Answer

short circuiting the field windings and passing current through the armature

Answer

obtaining current from a DC source such as an electric welder and feeding it into the armature while running the motor at full speed

🔍 Key Concepts

💭 Think About

✅ Before You Answer