Note: Please check your Spam or Junk folder, in case you didn't receive the email with verification code.
SYLLABUS
UNIT-I
D.C Machines Principles of operation of D.C generator – EMF equation – Types of D.C machines – Torque equation of D.C motor – Applications – Three point starter – Losses and efficiency – Swinburne’s test – Speed control methods – OCC of D.C generator – Brake test on D.C shunt motor – Numerical problems
UNIT-II
Transformers Principle of operation of single phase transformer constructional features – EMF equation – Losses and efficiency of transformer – Regulation of transformer – OC and SC tests predetermination of efficiency and regulations – Sumpner’s test – Numerical problems.
UNIT-III
Synchronous Generators Principle of operation and construction of alternators – Types of alternators – Regulation of alternator by synchronous impedance method – EMF equation of three phase alternator. Synchronous Motors Construction of three phase synchronous motor – Operating principle – Equivalent circuit of synchronous motor.
UNIT-IV
Induction Machine Principle of operation and construction of three-phase induction motors – Slip ring and squirrel cage motors – Slip-torque characteristics – Efficiency calculation – Starting methods – Brake test on 3-phase induction motor.
UNIT-V
Special Machines Principle of operation and construction – Single phase induction motor – Shaded pole motors – Capacitor motors and A.C servomotor.
No Preview is available for this book
CategoriesElectronics & Communication
Format PDF
TypeeBook