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Lecture 8 - EE743 Direct Current (DC) Machines - Part II Professor: Ali Keyhani
[object Object],DC Machines
DC Machines  ,[object Object],Where L ff  = field self-inductance L la = armature leakage inductance L af  = mutual inductance between the field and rotating armature coils e a  = induced voltage in the armature coils  (also called  counter  or  back emf  )
DC Machines
DC Machines -  Shunt DC Machine   ,[object Object],[object Object]
[object Object],DC Machines -  Shunt DC Machine   G 1 G 3 G 2 L af X X i a i f i f i a + - + - V a V f V f
[object Object],DC Machines -  Shunt DC Machine   Let Re-writing the dynamic equations, ;
DC Machines -  Permanent Magnet  ,[object Object],[object Object],[object Object]
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object],[object Object]
DC Machines -  Permanent Magnet   ,[object Object],+ - + - V a G 1 G 2 K v K v i a e a K v  r  r T L T e
DC Machines -  Permanent Magnet   ,[object Object],[object Object]
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object],[object Object]
DC Machines -  Permanent Magnet   ,[object Object],[object Object]
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object],[object Object]
DC Machines -  Permanent Magnet
DC Machines -  Permanent Magnet
DC Machines -  Permanent Magnet   ,[object Object]
DC Machines -  Permanent Magnet   ,[object Object],[object Object]

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