DC Machines MCQ

The Gramme-ring armature is constructed by winding an insulated wire around a soft-iron ring Eight equally spaced connections are made to the winding Each

The field winding of dc motor are made with field coils wound over the slots of The slot openings a shut with fibrous wedges to prevent the

slot freebet DC overvoltage test to a minimum of 29 kV Winding resistance measurement Stator slot wedge tightness Stator core low energy stator core flux

slot pg ทดลองเล่น The rotor of the type of DC motor we usually see has a lamination of slotted thin steel sheets , and the coil is inserted into the core