Anna University Semester 7 Electrical / Electronics engineering syllabus

Anna University Semester 7 Electrical / Electronics engineering syllabus – The final year seventh semester syllabus at Anna University for Electrical Engineering in its Bachelors degree course has all easy subjects most of which are theory so they can be cleared without much problems.Only one slightly more complex is special Electrical Machines, and others are High Voltage Engineering and Protection and Switchgear .

 

Anna University Semester 7 Electrical / Electronics engineering syllabus

Anna University Semester 7 Electrical / Electronics engineering syllabus

HIGH VOLTAGE ENGINEERING

UNIT I OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS 9
Causes of over voltages and its effects on power system – Lightning, switching surges and temporary
overvoltages, Corona and its effects – Reflection and Refraction of Travelling waves- Protection
against overvoltages.
UNIT II DIELECTRIC BREAKDOWN 9
Gaseous breakdown in uniform and non-uniform fields – Corona discharges – Vacuum breakdown –
Conduction and breakdown in pure and commercial liquids, Maintenance of oil Quality – Breakdown
mechanisms in solid and composite dielectrics.
UNIT III GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS 9
Generation of High DC, AC, impulse voltages and currents – Triggering and control of impulse
generators.
UNIT IV MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS 9
High Resistance with series ammeter – Dividers, Resistance, Capacitance and Mixed dividers – Peak
Voltmeter, Generating Voltmeters – Capacitance Voltage Transformers, Electrostatic Voltmeters –
Sphere Gaps – High current shunts- Digital techniques in high voltage measurement.
UNIT V HIGH VOLTAGE TESTING & INSULATION COORDINATION 9
High voltage testing of electrical power apparatus as per International and Indian standards – Power
frequency, impulse voltage and DC testing of Insulators, circuit breakers, bushing, isolators and
transformers- Insulation Coordination

 

PROTECTION AND SWITCHGEAR

UNIT I PROTECTION SCHEMES 9
Principles and need for protective schemes – nature and causes of faults – types of faults – fault
current calculation using symmetrical components – Methods of Neutral grounding – Zones of
protection and essential qualities of protection – Protection schemes
UNIT II ELECTROMAGNETIC RELAYS 9
Operating principles of relays – the Universal relay – Torque equation – R-X diagram –
Electromagnetic Relays – Overcurrent, Directional, Distance, Differential, Negative sequence and
Under frequency relays.
UNIT III APPARATUS PROTECTION 9
Current transformers and Potential transformers and their applications in protection schemes –
Protection of transformer, generator, motor, busbars and transmission line.
UNIT IV STATIC RELAYS AND NUMERICAL PROTECTION 9
Static relays – Phase, Amplitude Comparators – Synthesis of various relays using Static comparators
– Block diagram of Numerical relays – Overcurrent protection, transformer differential protection,
distant protection of transmission lines.
UNIT V CIRCUIT BREAKERS 9
Physics of arcing phenomenon and arc interruption – DC and AC circuit breaking – re-striking voltage
and recovery voltage – rate of rise of recovery voltage – resistance switching – current chopping –
interruption of capacitive current – Types of circuit breakers – air blast, air break, oil, SF6 and vacuum
circuit breakers – comparison of different circuit breakers – Rating and selection of Circuit breakers.

 

SPECIAL ELECTRICAL MACHINES

UNIT I SYNCHRONOUS RELUCTANCE MOTORS 9
Constructional features – Types – Axial and Radial flux motors – Operating principles – Variable
Reluctance Motors – Voltage and Torque Equations – Phasor diagram – performance characteristics –
Applications.
UNIT II STEPPER MOTORS 9
Constructional features – Principle of operation – Variable reluctance motor – Hybrid motor – Single
and multi stack configurations – Torque equations – Modes of excitation – Characteristics – Drive
circuits – Microprocessor control of stepper motors – Closed loop control-Concept of lead angle–
Applications.
UNIT III SWITCHED RELUCTANCE MOTORS (SRM) 9
Constructional features – Rotary and Linear SRM – Principle of operation – Torque production –
Steady state performance prediction- Analytical method -Power Converters and their controllers –
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Methods of Rotor position sensing – Sensor less operation – Characteristics and Closed loop control
– Applications.
UNIT IV PERMANENT MAGNET BRUSHLESS D.C. MOTORS 9
Permanent Magnet materials – Minor hysteresis loop and recoil line-Magnetic Characteristics –
Permeance coefficient -Principle of operation – Types – Magnetic circuit analysis – EMF and torque
equations –Commutation – Power Converter Circuits and their controllers – Motor characteristics and
control– Applications.
UNIT V PERMANENT MAGNET SYNCHRONOUS MOTORS (PMSM) 9
Principle of operation – Ideal PMSM – EMF and Torque equations – Armature MMF – Synchronous
Reactance – Sine wave motor with practical windings – Phasor diagram – Torque/speed
characteristics – Power controllers – Converter Volt-ampere requirements– Applications.

 

PRINCIPLES OF MANAGEMENT

UNIT I INTRODUCTION TO MANAGEMENT AND ORGANIZATIONS 9
Definition of Management – Science or Art – Manager Vs Entrepreneur – types of managers –
managerial roles and skills – Evolution of Management – Scientific, human relations , system and
contingency approaches – Types of Business organization – Sole proprietorship, partnership,
company-public and private sector enterprises – Organization culture and Environment – Current
trends and issues in Management.
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UNIT II PLANNING 9
Nature and purpose of planning – planning process – types of planning – objectives – setting
objectives – policies – Planning premises – Strategic Management – Planning Tools and Techniques
– Decision making steps and process.
UNIT III ORGANISING 9
Nature and purpose – Formal and informal organization – organization chart – organization structure
– types – Line and staff authority – departmentalization – delegation of authority – centralization and
decentralization – Job Design – Human Resource Management – HR Planning, Recruitment,
selection, Training and Development, Performance Management , Career planning and management.
UNIT IV DIRECTING 9
Foundations of individual and group behaviour – motivation – motivation theories – motivational
techniques – job satisfaction – job enrichment – leadership – types and theories of leadership –
communication – process of communication – barrier in communication – effective communication –
communication and IT.
UNIT V CONTROLLING 9
System and process of controlling – budgetary and non-budgetary control techniques – use of
computers and IT in Management control – Productivity