B.Tech R16 II Year I Semester ELECTRICAL MACHINES – I Examination May/June - 2019 (Electrical and Electronics Engineering)

JNTUH B.Tech R18 II YEAR I SEMESTER ELECTRICAL MACHINES EXAMINATION,December - 2019 ( Electrical and Electronics Engineering )

JNTUH R16 B.TECH II YEAR II SEMESTER ELECTRICAL MACHINES - II EXAMINATIONS APRIL - 2018 (Electrical and Electronics Engineering)

Principles of Electromechanical Energy Conversion : Introduction,Force and Torque Calculation from Energy and Coenergy,EMF in Electromechanical Systems,Force and Torque on a Conductor,Model of Electromechanical Systems.

D.C GENERATORS : Generator principle,Simple loop generator,Construction of DC Generators,Armature Windings,The Lap Winding,The Wave Winding,Electromotive Force(e.m.f) Equation,Types of D.C Generators,Armature Reaction,Compensating Windings,Characteristics of a D.C Generators,Separately- Excited Generator,Self- Excited Generator,Condition for Build up of a self-excited,D.C Machine Losses,Efficiency of a D.C generator. D.C MOTORS : Introduction,Principle of Operation of a Simple D.C Motor,Significance of the Back e.m.f.,Induce Torque equation of a D.C Machine,Types of D.C Motors,Motors Characteristics,D.C Motor Starter,Speed Control of D.C Motor,The efficiency of a D.C. motor,D.C Stepping Motors,Electromechanical power control equipment,Petrol Engine Idle Speed Control.

Poly Phase Induction Motor-cogging, crawling,methods to reduce crawling and cogging

Poly phase induction motor-circle diagram,deep bar and double cage rotor

Poly phase induction motor-torque slip curve ,starting of induction motor,no load and blocked rotor test

Polyphase induction motor-construction,emf and current,phasor diagram,equivalent circuit and torque

Single phase induction motor-cross field and starting of single phase induction motor

JNTUH B.TECH R16 ELECTRICAL MACHINES -2 Question paper APRIL-2018 (Electrical and Electronics Engineering)

JNTUH R16 B.Tech II-II ELECTRICAL MACHINES – II Question Paper December - 2018 ( Electrical and Electronics Engineering )

Electrical Machines-I Internal Question Papers

JNTUH B.Tech II Year I Semester I Mid Exam - ELECTRICAL MACHINES - 1 August - 2015 (Electrical and Electronics Engineering )

JNTUH R13 II B.Tech II Semester Electrical Machines - II Examination May-2015 ( Electrical and Electronics Engineering)