Unit-4- Electrical Machines - Lecture-4 DC Motor Direct Current

website slot wedges in dc machine To hold the windings securely in the slots, slot wedges 34 are inserted at the mouth of the slot between the pole tips Slot wedges are known by the alternative slot demo wwg Construction of machines The magnet frame or yoke is made from cast steel for small machines and from rolled-steel for the larger sizes In the

slot wedges in dc machine There are two types of windings,namely:Lap Winding: If connection is started from slot 1,then connections overlap each other as winding proceeds  Rotor slot wedges of large Conducting Slot Wedges: Circuit Loops…?>electric machines are usually composed of conductive material Solid rotors constructed  Sectional view of a DC machine Page 13 Construction of DC Generator Made of wedge shaped copper segments Segments are insulated from each other

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