Question

What is the value of the slot pitch for the low voltage machines?

(a) slot pitch < 25 mm

(b) slot pitch = 25 mm

(c) slot pitch less than equal to 25 mm

(d) slot pitch greater than equal to 25 mm

The question was posed to me during an online interview.

Query is from Armature Design topic in division Design of Synchronous Machines of Design of Electrical Machines

Answer 1

The correct option is (c) slot pitch less than equal to 25 mm

To explain: The value of the slot pitch depends upon the voltage of the machine. The slot pitch is less than equal to 25 mm for low voltage machines.