lesson plan for electrical machines from tejaa shakthi
DESCRIPTION
ENGINEERING NOTESTRANSCRIPT
LESSON PLANAcademic Year 2013-2014 LP
Date: 28.06.2013
Page: 1 of 6SubName & subcode: ELECTRICALMACHINESII/EE2302
Unit: I Branch: EEE Semester: V
Unit syllabus
SYNCHRONOUS GENERATOR
Constructional details – Types of rotors – emf equation – Synchronous reactance – Armature reaction – Voltage regulation – EMF, MMF, ZPF and A.S.A methods – Synchronizing and parallel operation – Synchronizing torque - Change of excitation and mechanical input – Two reaction theory– Determination of direct and quadrature axis synchronous reactance using slip test – Operating characteristics - Capability curves.
Objective:
To impart knowledge on Construction and performance of salient and non – salient type synchronous generators.
SessionNo
Topics to be coveredTime
RefNo
Teaching Method
1,2Constructional details – Types of rotors – emf equation
100M R1,R2 BB
3 Synchronous reactance – Armature reaction 50M R1,R2 BB
4Voltage regulation – EMF, MMF, ZPF and A.S.A methods
50M R1,R2BB
5,6 Synchronizing and parallel operation 100M R1,R2 BB
7,8Synchronizing torque - Change of excitation and mechanical input
100M R1,R2BB
9,10
Determination of direct and quadrature axis synchronous reactance using slip test– Operating characteristics - Capability curves.
100M R1,R2
BB
11-16(6)Problems in EMF, MMF, ZPF and parallel operation
300M R1,R2BB
LESSON PLANAcademic Year 2013-2014 LP
Date: 28.06.2013
Page: 2 of 6SubName & subcode: ELECTRICALMACHINESII/EE2302
Unit: II Branch: EEE Semester: V
Unit syllabus
SYNCHRONOUS MOTOR
Principle of operation – Torque equation – Operation on infinite bus bars - V-curves – Power input and power developed equations – Starting methods – Current loci for constant power input, constant excitation and constant power developed.
Objective:
To impart knowledge on Construction and working principle of synchronous motor and its applications
SessionNo
Topics to be coveredTime
RefNo
Teaching Method
17,18 Principle of operation– Torque equation 100M R2,R3 BB
19,20,21 Operation on infinite bus bars - 150M R2,R3 BB
22,23 V-curves 100M R2,R3 BB
24,25 Power input and power developed equations 100M R2,R3 BB
26,27Starting methods – Current loci for constant power input
100M R2,R3 BB
28,29constant excitation and constant power developed.
100M R2,R3 BB
LESSON PLANAcademic Year 2013-2014
LP
Date: 28.06.2013
Page: 3 of 6
SubName & subcode:ELECTRICALMACHINESII/EE2302 Unit: III Branch: EEE Semester: V
Unit syllabus
THREE PHASE INDUCTION MOTOR
Constructional details – Types of rotors – Principle of operation – Slip – Equivalent circuit – Sliptorque characteristics - Condition for maximum torque – Losses and efficiency – Load test - No load and blocked rotor tests - Circle diagram – Separation of no load losses – Double cage rotors –Induction generator – Synchronous induction motor.Objective:
To impart knowledge on students 3 phase induction motor working principle and induction generator.
SessionNo
Topics to be coveredTime
RefNo
Teaching Method
30,31Constructional details – Types of rotors – Principle of operation
100MR1,R2,R3 BB
32,33 Slip – Equivalent circuit 100M R1,R2,R3 BB
34,35Sliptorque characteristics - Condition for maximum torque – Losses and efficiency
100M R1,R2,R3 BB
36,37 Load test - No load and blocked rotor tests 100M R1,R2,R3 BB
38,39 Circle diagram 100M R1,R2,R3 BB
40,41 Separation of no load losses 100M R1,R2,R3 BB
42,43Double cage rotors –Induction generator – Synchronous induction motor.
100M R1,R2,R3
BB
LESSON PLANAcademic Year 2013-2014 LP
Date: 28.06.2013
Page: 4 of 6SubName & subcode: ELECTRICALMACHINESII/EE2302 Unit: IV Branch: EEE Semester: V
Unit syllabus
STARTING AND SPEED CONTROL OF THREE PHASE INDUCTIONMOTOR
Need for starting – Types of starters – Rotor resistance, Autotransformer and Star-delta starters –Speed control – Change of voltage, torque, number of poles and slip – Cascaded connection – Slippower recovery scheme..
Objective:
It gives a comprehensive treatment of starting and speed control of three phase induction motor.
SessionNo
Topics to be coveredTime
RefNo
Teaching Method
44,45Need for starting – Types of starters – Rotor resistance
100MR1 BB
46,47 Autotransformer and Star-delta starters 100M R1 BB
48,49 Speed control – Change of voltage 100M R1 BB
50,51 torque, number of poles and slip 100M R1 BB
52,53Cascaded connection, Slippower recovery scheme.
100M R1 BB
LESSON PLANAcademic Year 2013-2014 LP
Date: 28.06.2013
Page: 5 of 6SubName & subcode: ELECTRICALMACHINESII/EE2302 Unit: V Branch: EEE Semester: v
Unit syllabus
SINGLE PHASE INDUCTION MOTORS AND SPECIAL MACHINES
Constructional details of single phase induction motor – Double revolving field theory and operation– Equivalent circuit – No load and blocked rotor test – Performance analysis – Starting methods of single-phase induction motors - Shaded pole induction motor - Linear reluctance motor - Repulsionmotor - Hysteresis motor - AC series motor.
Objective:
It imparts knowledge to the students about the basic idea about the single phase induction motor and special machines.
SessionNo
Topics to be coveredTime
RefNo
Teaching Method
54,55Constructional details of single phase induction motor – Double revolving field theory and operation
100M
R3 BB
56,57Equivalent circuit – No load and blocked rotor test Performance analysis Starting methods of single-phase induction motors
100M R3 BB
58,59,60Shaded pole induction motor ,Linear reluctance motor, Repulsion motor, Hysteresis motor, AC series motor
150M R3 BB
LESSON PLANAcademic Year 2013-2014
LP
Date: 28.06.2013
Page: 6 of 6SubName & subcode: ELECTRICALMACHINESII/EE2302
TEXT BOOKS
1. D.P. Kothari and I.J. Nagrath, ‘Electric Machines’, Tata McGraw Hill Publishing Company Ltd 2002.2. P.S. Bhimbhra, ‘Electrical Machinery’, Khanna Publishers, 2003.
REFERENCES
1. A.E. Fitzgerald, Charles Kingsley, Stephen.D.Umans, ‘Electric Machinery’, TataMcGraw Hill publishing Company Ltd, 2003.2. J.B. Gupta, ‘Theory and Performance of Electrical Machines’, S.K.Kataria and Sons, 20023. K. Murugesh Kumar, ‘Electric Machines’, Vikas Publishing House Pvt Ltd, 2002.
Prepared by Approved by
Signature
Name K.SHEEBA M.ARUMUGA BABU
Designation ASST.PROF / EEE ASST.PROF / EEE
Date 28.06.2013 28.06.2013
TO BE NOTED:1. SESSION NO. FOR THEORY = 452. SESSION NO. FOR THEORY + TUTORIAL = 45+15=60