Principle of operation of Transformers Types Equivalent circuit Voltage regulation Efficiency Testing Open circuit
KARPAGA VINAYAGA COLLEGE OF ENGINEERING AND TECHNOLOGY
LESSON PLAN
Sub Code: ME 6351
Sub Name: ELECTRICAL DRIVES AND CONTROL
Branch: Mechanical Semester: III
OBJECTIVES
To understand the basic concepts of different types of electrical machines and their performance.
To study the different methods of starting D.C motors and induction motors.
To study the conventional and solid-state drives
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
Session
NoTopics to be coveredRef. bookNo. of periodsCu. No of periodsTeaching Method
1Introduction T111BB
2Basic Elements Types of Electric DrivesT112BB
3Factors influencing the choice of electrical drivesR113BB
4Heating and cooling curvesT214BB
5Loading conditions T126BB
6Classes of dutyR317BB
7Selection of power rating for drive motors with regard to thermal overloading (short time duty)R218BB
8Selection of power rating for drive motors with regard to thermal overloading (continuous and intermittent duty) , SummaryT219BB
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.Session
NoTopics to be coveredRef. bookNo. of periodsCu. No of periodsTeaching Method
9Speed-Torque characteristics of various types of loadT1114BB
10Speed Torque Characteristics of DC motors T2115BB
11Braking of Electrical motors-TypesT1116BB
12Braking of DC shunt motorT1117BB
13Braking of DC series motorT1118BB
14Braking of DC compound motorR3119BB
15Speed Torque Characteristics of AC motorsR2120BB
16Braking of three phase induction motorsR1121BB
17Braking of single phase induction motorsR3122BB
18Problems related to N-T characteristics and braking for DC and AC motorsR3122BB
Unit III: STARTING METHODSTypes of D.C Motor starters Typical control circuits for shunt and series motors Three phase squirrel cage and slip ring induction motors.
Session
NoTopics to be coveredRef. bookNo. of periodsCu. No of periodsTeaching Method
20Need for starters, Two point startersR1123BB
21Three Point starters, T2124BB
22Four Point starters T2125BB
23Typical control circuits for shunt motorsT1126BB
24Typical control circuits for series motorsR2127BB
25DOL starter, primary resistor starter, Autotransformer starterT2228BB
26Star-Delta starter, Rotor resistance starterT2129BB
27Problems and SummaryT1130BB
Unit IV: CONVENTIONAL AND SOLID STATE SPEED CONTROL OF D.C. DRIVESSpeed control of DC series and shunt motors Armature and field control, Ward-Leonard control system - Using controlled rectifiers and DC choppers applications. Session
NoTopics to be coveredRef. bookNo. of periodsCu. No of periodsTeaching Method
28Speed control of DC series motorsT2132BB
29Speed control of DC shunt motorsR2133BB
30Ward-Leonard control system, ProblemsR1134BB
31Basics of controlled rectifiers, choppersT1135BB
32Converter fed DC motor controlT1136BB
33ProblemsT2137BB
34Chopper fed DC motor controlR3138BB
35ProblemsR2139BB
36Applications, SummaryR2140BB
Unit V: CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVESSpeed control of three phase induction motor Voltage control, voltage / frequency control, slip power recovery scheme Using inverters and AC voltage regulators applications.
Session
NoTopics to be coveredRef. bookNo. of periodsCu. No of periodsTeaching Method
38Speed control of three phase induction motor- Stator Voltage control, V/f controlT2141BB
39Pole changing method, Cascade control, Rotor resistance control, ProblemsT1142BB
40Slip power recovery scheme - conceptR2143BB
41Static Scherbius and Kramer methodR3144BB
42Basics of inverters and AC voltage regulatorR4145BB
43VSI fed Induction motor controlT2146BB
44CSI fed Induction motor controlT1147BB
45Supply Voltage control using AC Voltage regulatorT1148BB
46TutorialT2149BB
47Summary of all Units, Question paper discussionT2150BB
Text Book:
1. Vedam Subrahmaniam, Electric drives (concepts and applications), 2. Nagrath.i.j. & Kothari.d.p, Electrical machines, tata mcgraw-hill, 1998References:1. Pillai.S.K A first course on Electric drives, Wiley Eastern Limited, 1998
2. M.D.Singh, K.B.Khanchandani, Power Electronics, Tata McGraw-Hill, 1998
3. Dubey G K, Fundamentals of Electrical Drives, Narosa publishing house, Edition 24. Theraja, B.L; Theraja, A.K., Textbook Of Electrical Technology Volume II: Ac And Dc Machines, S. Chand publisher
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NameM.PURUSHOTHAMANProf A. BALAMANIDr. S M. KANNAN
DsignationAP/EEEHOD/EEEPRINCIPAL
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