synchronous machines

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DIRECT CURRENT MACHINES DC machine Construction • The adjoining picture shows the rotor of a DC machine. • The rotor iron core is mounted on the shaft. • Coils are placed in the slots. • The end of the coils are bent and tied together to assure mechanical strength. • Note the commutator mounted on the shaft. It consists of several copper segments, separated by insulation. DC motor rotor construction Poles Fan Brushes Rotor winding Bearing Commutator
DIRECT CURRENT MACHINES DC Machine Construction Ring Insulator Flag • The adjoining picture shows the commutator of a large DC machine. • The segments are made out of copper and mica insulation is placed between the segments. • The end of each segment has a flag attached. The coil endings are welded to these flags. • An insulated ring is placed on the coil ends to assure proper mechanical strength. Copper
Page 1 and 2: Slovak University of Technology Fac
Page 3 and 4: Synchronous Machines Salient Rotor
Page 5 and 6: Synchronous Machines A Stator with
Page 7 and 8: SYNCHRONOUS MACHINES Construction
Page 9 and 10: SYNCHRONOUS MACHINES Iron core Stat
Page 11 and 12: SYNCHRONOUS MACHINES Rotor Details
Page 13 and 14: Synchronous Machines Salient pole g
Page 15 and 16: Synchronous Machines Stator of a la
Page 17 and 18: Synchronous Machines Slip rings Pol
Page 19 and 20: SYNCHRONOUS MACHINES
Page 21 and 22: DIRECT CURRENT MACHINES DC machine
Page 23: DIRECT CURRENT MACHINES DC machine
Page 27 and 28: DIRECT CURRENT MACHINES Concept of
Page 29 and 30: DIRECT CURRENT MACHINES Induced vol
Page 31 and 32: DIRECT CURRENT MACHINES Equivalent
Page 33 and 34: DIRECT CURRENT MACHINES Type of DC
Page 35: DIRECT CURRENT MACHINES Major Types

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