What is the lamination material of the pole body and the thickness of the pole body insulation?
(a) epoxy resin, 5 mm thick
(b) epoxy resin. 4 mm thick
(c) asbestos, 4 mm thick
(d) asbestos 5 mm thick
I got this question in a national level competition.
My doubt is from Design of Field Winding in portion Design of Synchronous Machines of Design of Electrical Machines