DOC/LP/01/28.02.02
LP-ME2205
LESSON PLAN
LP Rev. No: 00
Date: 25/06/2012
Sub Code & Name: ME2205- ELECTRICAL DRIVES AND CONTROL
Unit: I
Branch: Mechanical / Chemical
Year: II
Page 1 of 5
SEM: III
Unit 1: INTRODUCTION
Basic Elements – Types of Electric Drives – factors influencing the choice of
electrical drives – heating and cooling curves – Loading conditions and classes of duty –
Selection of power rating for drive motors with regard to thermal overloading and Load
variation factors
Objective
To understand the basic concepts of Drives, Electric drives, types and factors
influencing the choice of electrical drives
To derive the heating and cooling curve and to study the various classes of duty
and Selection of power rating
Session
No
Topics to be covered
Time
Allocation
(min)
1
Introduction
50
2
Basic Elements – Types of Electric Drives
50
3
Factors influencing the choice of electrical
drives
Heating and cooling curves
50
5
Loading conditions
50
6
Classes of duty
50
7
Selection of power rating for drive motors with
8
50
Selection of power rating for drive motors with
regard to thermal overloading (continuous and
intermittent duty) , Summary
Teaching
Method
1,3,5
BB
50
4
regard to thermal overloading (short time duty)
Books
Referred
50
DOC/LP/01/28.02.02
LP-ME2205
LESSON PLAN
LP Rev. No: 00
Date: 25/06/2012
Sub Code & Name: ME2205- ELECTRICAL DRIVES AND CONTROL
Unit: II
Branch:
Mechanical / Chemical
Year: II
Page 2 of 5
SEM: III
Unit II: DRIVE MOTOR CHARACTERISTICS
Mechanical characteristics – Speed-Torque characteristics of various types of load
and drive motors – Braking of Electrical motors – DC motors: Shunt, series and
compound - single phase and three phase induction motors
Objective
To understand the working principle of DC &AC motors and their characteristics
and its braking methods
Session
No
9
Topics to be covered
Speed-Torque characteristics of various types
of load
Time
Allocation
(min)
Speed – Torque Characteristics of DC motors
50
11
Braking of Electrical motors-Types
50
12
Braking of DC shunt motor
50
13
Braking of DC series motor
50
14
Braking of DC compound motor
50
15
Speed – Torque Characteristics of AC motors
50
16
Braking of three phase induction motors
50
17
Braking of single phase induction motors
50
18
Problems related to N-T characteristics and
19
CAT I
Teaching
Method
1,2,3,5,6
BB
50
10
braking for DC and AC motors
Books
Referred
50
50
DOC/LP/01/28.02.02
LP-ME2205
LESSON PLAN
LP Rev. No: 00
Date: 25/06/2012
Sub Code & Name: ME2205- ELECTRICAL DRIVES AND CONTROL
Unit: III
Branch: Mechanical / Chemical
Year: II
Page 3 of 5
SEM: III
Unit III: STARTING METHODS
Types of D.C Motor starters – Typical control circuits for shunt and series motors
– Three phase squirrel cage and slip ring induction motors.
Objective
To understand the Starting methods of DC &AC motors
Session
No
Topics to be covered
Time
Allocation
(min)
20
Need for starters, Two point starters
50
21
Three Point starters,
50
22
Four Point starters
50
23
Typical control circuits for shunt motors
50
24
Typical control circuits for series motors
50
25
DOL starter, primary resistor starter,
Autotransformer starter
50
26
Star-Delta starter, Rotor resistance starter
50
27
Problems and Summary
50
Books
Referred
Teaching
Method
1,2,6
BB
DOC/LP/01/28.02.02
LP-ME2205
LESSON PLAN
LP Rev. No: 00
Date: 25/06/2012
Sub Code & Name: ME2205- ELECTRICAL DRIVES AND CONTROL
Unit: IV
Branch:
Mechanical / Chemical
Year: II
Page 4 of 5
SEM: III
Unit IV: CONVENTIONAL AND SOLID STATE SPEED CONTROL OF D.C. DRIVES
Speed control of DC series and shunt motors – Armature and field control, WardLeonard control system - Using controlled rectifiers and DC choppers –applications.
Objective
To understand the Concepts of speed control in DC motors
Session
No
Topics to be covered
Time
Allocation
(min)
28
Speed control of DC series motors
50
29
Speed control of DC shunt motors
50
30
Ward-Leonard control system, Problems
50
31
Basics of controlled rectifiers, choppers
50
32
Converter fed DC motor control
50
33
Problems
50
34
Chopper fed DC motor control
50
35
Problems
50
36
Applications, Summary
50
37
CAT II
50
Books
Referred
Teaching
Method
2,3,4,5,6
BB
DOC/LP/01/28.02.02
LP-ME2205
LESSON PLAN
LP Rev. No: 00
Date: 25/06/2012
Sub Code & Name: ME2205- ELECTRICAL DRIVES AND CONTROL
Unit: V
Branch: Mechanical / Chemical
Year: II
Page 5 of 5
SEM: III
Unit V: CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES
Speed control of three phase induction motor – Voltage control, voltage /
frequency control, slip power recovery scheme – Using inverters and AC voltage
regulators – applications.
Objective
To understand the Concepts of speed control in AC motors
Session
No
38
Topics to be covered
Speed control of three phase induction motorStator Voltage control, V/f control
39
Pole changing method, Cascade control, Rotor
resistance control, Problems
Time
Allocation
(min)
50
41
Static Scherbius and Kramer method
50
42
Basics of inverters and AC voltage regulator
50
43
VSI fed Induction motor control
50
44
CSI fed Induction motor control
50
45
Supply Voltage control using AC Voltage
Tutorial
47
Summary of all Units, Question paper
discussion
48
CAT III
2,3,4,5,6
BB
50
Slip power recovery scheme - concept
46
Teaching
Method
50
40
regulator
Books
Referred
50
50
50
50
DOC/LP/01/28.02.02
Course delivery plan
Week
1
I II
2
I II
3
I II
4
I II
5
I II
1
1
2
2
2
6
I II
2
Units
1
1
2
2
3
C
A
T
I
7
I II
8
I II
9
I II
10
I II
3
3
4
4
3
3
4
11
I II
4
4
C
A
T
2
12
I II
13
I II
14
I II
5
5
5
5
Text Book:
1. Vedam Subrahmaniam, “Electric drives (concepts and applications)”,
2. Nagrath.i.j. & Kothari.d.p, “Electrical machines”, tata mcgraw-hill, 1998
References:
3. Pillai.S.K “A first course on Electric drives”, Wiley Eastern Limited, 1998
4. M.D.Singh, K.B.Khanchandani, “Power Electronics”, Tata McGraw-Hill, 1998
5. Dubey G K, “Fundamentals of Electrical Drives”, Narosa publishing house, Edition 2
6. Theraja, B.L; Theraja, A.K., “Textbook Of Electrical Technology Volume II: Ac And
Dc Machines”, S. Chand publisher
Prepared by
Approved by
Signature
Name
Date
M. Sasikala AP/EE
S. Arulmozhi AP/EE
N. Shanmuga Vadivu AP/EE
C Suganthi AP/EE
27/06/2012
Dr. KR. Santha
HOD / EE
27/06/2012
5
C
A
T
3