A 3-phase induction motor with 3 kV, 400 HP, 70% efficiency and 0.8 PF is to be protected against overload. The motor can withstand 10% overload continuously and a thermal relay is connected across a current transformer of 600/5 ratio. Choose the proper relay setting.
A 3-phase induction motor with 3 kV, 400 HP, 70% efficiency and 0.8 PF is to be protected against overload. The motor can withstand 10% overload continuously and a thermal relay is connected across a current transformer of 600/5 ratio. Choose the proper relay setting.
Chapter51: Electric And Electronic Braking
Section: Chapter Questions
Problem 2SQ: Differentiate between the AC and DC magnetic fields applied to an induction motor stator.
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