Download GH Raisoni College Of Engineering Nagpur

Department of Electrical Engineering,
GHRCE, Nagpur
Teaching Plan, Session 2011-12
Subject: POWER SEMICONDUCTOR BASED DRIVES
B.E. (Electrical) Sem-VIII
Lecture
No.
1
Unit No.
Topics
1
Basic information about Ac and Dc drives Advantages of Electrical Drives, Choice of
electrical drives
B.D. of electrical Drives and Four quadrant operation of electrical drive
Dynamics of electrical Drives
Components of load torques, Nature and classification of load torque and control of electrical
Drives
Energy conservation in electrical Drive
D.C. Motor Drives: Single phase fully controlled rectifier control of DC separately excited
motor.
Single phase Half controlled rectifier control of DC separately excited motor.
Numerical based on above topics
Numerical based on above topics
Three phase fully controlled rectifier control of dc separately excited motor
Three phase half controlled rectifier control of dc separately excited motor
Numerical
Dual converter control of DC separately excited motor
Chopper controlled of separately excited DC motor drives
Chopper control of series motor and power factor ,supply harmonics and ripple in motor
current
Unipolar and bipolar Brushless DC motor
Comparison between both, advantages, speed control and application of BDC M
Switched Reluctance motor
Switched Reluctance motor
Stepper motor
Stepper motor
Solar and battery powered drives
Solar and battery powered drives
Conventional Dc and AC traction drives
Conventional Dc and AC traction drives
Semiconductor converter controlled drives
Semiconductor converter controlled drives
DC traction employing polyphase AC motors
DC traction employing polyphase AC motors
AC traction employing polyphase AC motors
AC traction employing polyphase AC motors
Stator voltage control and variable frequency control from voltage sources
Stator voltage control and variable frequency control from voltage sources
Voltage source inverter control
Voltage source inverter control
Current source inverter control
Current source inverter control
Cycloconverter control
Cycloconverter control
Rotor resistance control : static rotor resistance
Rotor resistance control : static rotor resistance
Slip power recovery: Static Scherbius and static Kramer drives
Slip power recovery: Static Scherbius and static Kramer drives
Slip power recovery: Static Scherbius and static Kramer drives
Synchronous motor variable speed drives and different modes
Synchronous motor variable speed drives and different modes
Self controlled SM drive employing load commuted thyrister inverter
Self controlled SM drive employing load commuted thyrister inverter
Self controlled SM drive employing cycloconverter
Self controlled SM drive employing cycloconverter
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Prof. M.Ahmad
Section :- A Semester -VIII
Prof. S.V.Umredkar
Section :- B Semester –VIII
Dr. S.B.Bodkhe
HoD EE
Department of Electrical Engineering,
G.H.Raisoni College of engineering
Teaching Plan, Session 2011-12
Subject: COMPUTER APPLICATION IN ELECTRICAL ENGG.
B.E. (Electrical) Sem-VIII
Lecture
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Unit
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Topic
Introduction to the subject.
Network Graph, Tree Co-tree, Basic definitions.
Matrices: A^ and A and example.
Matrices B, B^ ,C ,C^ and K.
Examples on formation of matrices.
Examples on formation of matrices.
Primitive network: Impedance and admittance forms. Introduction to singular transformation.
Derivations on singular transformation and examples.
Introduction to Bus impedance matrix, partial network.
Algorithm for addition of branch and example.
Algorithm for addition of link and example.
Z-BUS formation example.
Z-BUS formation example.
Z-BUS formation example.
Z-BUS formation example.
Z-BUS formation example.
Representation of three phase systems: Impedance and admittance forms.
Transformation Matrices
Three phase balanced network elements with balanced excitation.
Three phase balanced network elements with unbalanced excitation.
Algorithm for formation of three phase Z-Bus
Example on 3-phase Z-BUS
Example on 3-phase Z-BUS
Revision of section -A
Introduction to Load-Flow and formation of Y-Bus by inspection method.
Load flow by Gauss Seidel method with & without voltage controlled buses
Example on Gauss-Seidel method.
Load flow by N-R method
Example on N-R method.
Voltage controlled bus in GS-NR method
Representation of tap changing transformer and phase shifting transformers.
Comparison of different methods
Introduction to short circuit studies and assumptions
Three phase network short circuit calculations: L-G Fault
Three phase network short circuit calculations: L-L-L-G Fault
Three phase network short circuit calculations: L-L Fault
Three phase network short circuit calculations: L-L-G and
Three phase network short circuit calculations: L-L-L Fault
Example on Short circuit analysis.
Example on Short circuit analysis.
Introduction to transient stability analysis.
Swing equation and its derivation.
Transient stability analysis by modified-Euler’s method.
Transient stability analysis by modified-Euler’s method.(Examples)
R-K Method
R-K Method (Example)
Revision of section -B
Revision
Revision
Revision
Prof. P.R.Sawarkar
Section :- A Semester -VIII
Prof. K. D. Joshi
Section :- B Semester –VIII
Dr. S.B .Bodkhe
HoD EE
Department of Electrical Engineering,
GHRCE, Nagpur
Teaching Plan, Session 2011-12
Subject: SWITCHGEAR & PROTECTION
B.E. (Electrical) Sem-VIII
Lecture No.
1
2
Unit No.
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Topics
Introduction to General Philosophy of Protective Relaying
Protective Zones
Primary Protection
Back up protection
Remote and Local Back up
Selectivity
Problems on above topics
Medium Voltage Line Protection
Over current relaying
directional over current relays
Problems on above topics
Introduction to High Voltage Line Protection
Distance relays
carrier distance schemes
Unit carrier schemes
Problems on above topics
Equipment Protection
Principles of differential relaying
protection of generator
transformers and busbars by differential relaying and other relays
Protection of Induction Motors against overloads
Protection of Induction Motors against short circuits
Protection of Induction Motors against thermal relays
Protection of Induction Motors against miniature circuit breakers
Introduction to Static Relays
Comparison of static relays
electro mechanical relays
two input amplitude
phase comparators and their duality
Generation of various distance relay
characteristics using above comparators
Switchgear
Circuit breakers
Arc interruption therory
Problems on above topics
Problems on above topics
recovery voltages
Restriking voltages
RRRV
breaking of inductive currents
breaking of capactive currents
Problems on above topics
Problems on above topics
C.B. ratings
different media of arc interruption
overview of oil circuit breakers
overview of oil circuit breakers
construction of Air blast
operation of Air blast
SF6,
vaccum breakers
Revision
Prof. S.K. Umathe
Section : A Semester : VIII
Prof. R.D.Saxena
Section : B Semester : VIII
Dr.S.B.Bodkhe
HoD(EE)
Department of Electrical Engineering,
GHRCE, Nagpur
Teaching Plan, Session 2011-12
Subject: EHVAC & HVDC TRANSMISSION
B.E. (Electrical) Sem-VIII
Lecture
No.
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Unit
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1B
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Topics to be covered
Subject Introduction
Power handing capacities of EHV AC Transmission lines.
Power handing capacities of EHV AC Transmission lines cont….
Power handing capacities of EHV AC Transmission lines cont….
Numericals on Power handing capacities of EHV AC Transmission lines.
Voltage gradients :
Electric field of point charge
sphere gap- line charge, single and three phase lines
sphere gap- line charge, single and three phase lines cont….
Maxwell’s potential co- efficients ,Mangolelt Formula
Maxwell’s potential co- efficients , Mangolelt Formula cont….
Electrostatic and electromagnetic fields of EHV Lines,
Electric shock and threshold current
Capacitance of long object
calculation of electromagnetic field of A.C. Lines (3-ph Single and double circuit line only)
Effect of high electrostatics field
measurement of electrostatic field, ground wires, electrostatic interference
Corona : Types critical disruptive voltages Factor affecting corona
Methods for reducing corona power loas
corona current wave form charge voltage diagram audible noise and ratio interference
Comparison of EHV AC and HVDC Systems.
Conversion from AC to DC Rectifiers, conveters conversion from AC to DC Invertors.
Kinds of DC Link
Earth electrode and earth returns : Introduction objective, location and configuration,
resistance of electrodes means of reducing earth electrode resistance
Resistance troubles caused by earth electrode resistance trouble caused by earth current and
remedies.
Multiterminal HVDC System: Introduction 2 pole transmission. MTDC System with
series and parallel connected convertors advantages
parallel connected converters, advantages and applications configurations and types
Power flow control in HVDC System: constant current constant voltage, constant ignition and
exitation angle control, control characteristics.
Parallel operation of AC and DC links (Synchronous and Asynchronous links)
Harmonic Filters: Introduction Filters, Surge capacitors and Damping circuits shunt filters
series Filters.
Filters. AC filters, design of A. C. filters and tuned filters, double frequency and damped filters,
cost considerations, Rating harmonics on D.C side of converters. D. C. Harmonic filters.
Reactive power compensation: Reactive power requirements of HVDC converters, substations,
effect of delay angle and extinction angle on reactive power.
HVDC circuit breakers: Introduction, construction, Principle, switching energy. Interruption of
D. C. current, application of MRTB,
Types of HVDC C. B, capability and characteristics of HVDC circuit breakers.
HVDC substation protection against short-circuits: Introduction, fault, clearing, protective,
zones, protection, symbols,
HVDC line pole protections (fault clearing and re-energizing.
HVDC sub-station Protection against over-voltages
Difference between insulation coordination of AC and DC systems.
Fundamentals of switching over-voltages, D. V. on A. C. sides and on D.C. side,
Surge-arresters protection scheme, insulation coordination and protection margin.
Prof. P.S.Manware
Section : A Semester : VIII
Prof. M.Ahmad
Section : B Semester : VIII
Dr.S.B.Bodkhe
HoD(EE)