Thursday, 1 March 2018

AC Machines (2140906) Question Bank

MID-1 Syllabus of Signals and System(4TH SEM)

         SIGNALS AND SYSTEM (Revised Syllabus)
              
     SUBJECT CODE: 2141005,  4TH SEM


1.Basic definitions, Classification of signals and systems, Signal operations and properties. Basic continuous time signals, signal sampling and quantization, discretization of continuous time signals, discrete time signals. Basic system properties, Representation of digital signals. Case study of different signals form communication and biomedical field
 
2.Impulse response characterization and convolution integral for CT LTI system, signal responses to CT LTI system, properties of convolution, LTI system response properties from impulse response. (*Review of  Laplace transform with reference to CT signals and systems.)

3.Impulse response characterization and convolution sum, Causal signal response to DT -LTI systems. Properties of convolution summation, Impulse response of DT LTI system. DT-LTI system properties from Impulse response. System analysis from difference equation model




Note: Study theory portion well and prepare examples from different books as mentioned in GTU syllabus. Solve the related questions of last 3 to 4 GTU University exam papers.
Question banks will be given later on.

MID-1 Syllabus for the subject Testing and Commissioning of Electrical Equipments





MID-1 SYLLABUS
SUBJECT: TESTING AND COMMISSIONING OF ELECTRICAL EQUIPMENTS SUBJECT CODE: 2180901                                                          B.E. 8 th SEMESTER

1. Safety Management: Objectives, Safety Management during Operation and Maintenance, Clearance and Creepages, Electric Shock, need of Earthing, different methods of Earthing, factors affecting the Earth Resistance, methods of measuring the Earth Resistance, Equipment Earthing and System Grounding, Earthing Procedure - Building installation, Domestic appliances, Industrial premises, Earthing of substation, generating station and overhead line.

2. Installation of Electrical Equipment: Inspection of Electrical Equipment at site, Storage Electrical Equipment at site, Foundation of Electrical Equipment at site, Alignment of Electrical Machines, Tools/Instruments necessary for installation, Technical report, Inspection, storage and handling of transformer, switchgear and motors.

3. Testing of Transformer, Plant and Equipment: General Requirements for Type, Routine and Special Tests, Measurement of winding resistance; Measurement of voltage ratio and check of voltage vector relationship; Measurement of impedance voltage/short-circuit impedance and load loss; Measurement of no-load loss and current; Measurement of insulation resistance; Dielectric tests; Temperature-rise, insulation and HV test, dielectric absorption, switching impulse test. testing of Current Transformer and Voltage Transformer, power transformer, distribution transformer, CVT and special transformer with reference to Indian Standard (IS). Drying out procedure for transformer. PI index, Commissioning steps for transformer, Troubleshooting & Maintenance of transformer. [Ref: IS 2026:Part_1-10-Power Transformers: Methods of Test; IS 13956:1994- Testing Transformers]

4.Installation and Commissioning of Rotating Electrical Machines:  Degree of protection, cooling system, degree of cooling with IP- IC code (brief discussion), enclosures, rating of industrial rotating electric machine, installation, commissioning and protection of induction motor and rotating electric machine, drying out of electric rotating machine, insulation resistance measurement, site testing and checking, care, services and maintenance of motors, commissioning of synchronous generator, protection and automation of synchronous generator, synchronous motor, D.C. generator and motor with reference to Indian Standard (IS). [Ref: IS 4029:2010-Guide for Testing Three Phase Induction Motors; IS 7132:1973-Guide for Testing Synchronous Machines; IS 9320:1979-Guide for Testing of Direct Current (dc) Machines]

Note: Solve the related questions of last 3 to 4 GTU University exam papers.

MID Sem syllabus of UEET (6th sem)

Electrical Engineering Department
Syllabus for Mid Semester
SUBJECT: UEET (6th Sem )
SUBJECT CODE: (2160907)



Chapter: 1
Electric Drives:
Advantages of electric drives, Characteristics of different mechanical loads, Types of motors used in electric drive, Electric braking, Plugging, Rheostat braking, Regenerative braking, Methods of power transfer by direct coupling by using devices like belt drive, gears, pulley drives etc. Examples of selection of motors for different types of domestic loads  Selection of drive for applications such as general workshop, textile mill, paper mill, steel mill, printing press, crane, lift etc. Application of flywheel. Specifications of commonly used motors e.g. squirrel cage, slip ring induction motors, AC series motors, FKW motor
Chapter: 2
Illumination:
Nature of light, visibility spectrum curve of relative sensitivity of human eye and wave length of light, Different type of lamps, construction and working of incandescent and discharge lamps – their characteristics, fittings required for filament lamp, mercury vapour lamp, fluorescent lamp, metal halide lamp, neon lamp  General ideas bout street lighting, flood lighting, monument lighting and decorative lighting, light characteristics etc., LED Lighting
Chapter: 3
Electric Heating:
Advantages of electrical heating, Heating methods,
Resistance heating – direct and indirect resistance heating, electric ovens, their temperature range, properties of resistance heating elements, domestic water heaters and other heating appliances and thermostat control circuit, Induction heating; principle of core type and coreless induction furnace, Electric arc heating, direct and indirect arc heating, construction, working and applications of arc furnace, Dielectric heating, applications in various industrial fields, Infra-red heating and its applications, Microwave heating, Simple design problems of resistance heating element

Chapter: 7
Electric Traction:
Electric traction, Advantages of electric traction, Different systems of electric traction, DC and AC systems, diesel electric system, types of services – urban, sub-urban, and main lines and their speed-time curves ,Different accessories for track electrification such as overhead capacitor wire, conductor rail system, current collector-pantograph, Factors affecting scheduled speed, Electrical block diagram of an electric locomotive with description of various equipment and accessories, Types of motors used for electric traction, Starting and braking of traction motors, Introduction to EMU and metro railways

Syllabus for Mid Semester of AC Machines (4th Sem )


Electrical Engineering Department
Syllabus for Mid Semester
SUBJECT: AC Machines (4th Sem )
SUBJECT CODE: 2140906
1.  Poly-phase Induction Motor:
Construction, Types of motor,Working principle, Rotating magnetic field. Operating parameters at different load, No-load & blocked rotor test, Equivalent circuit, Phasor diagram, Circle diagram, Efficiency and slip scale with the help of circle diagram, Effect of rotor resistance on performance of motor, Double cage motor and its equivalent circuit, Introduction to machine dynamics.  Starters of poly-phase induction motor including soft starter, Methods of speed control of 3- phase motor, Schematic diagram and advantages of Variable Voltage Variable Frequency drive. Electrical transients in induction machine, Magnetic levitation: Principle, advantages and application of linear induction motor. Effect of harmonics, Harmonic torques, Cogging & Crawling, Effect of unbalanced voltages on performance of motor. Performance of motor with variable voltage and frequency. Testing of induction motor as per IS, Energy efficient motors.

2. Synchronous Machines:
Construction, Types, Applications, Working principle. Equation of induced emf with and without harmonics in MMF, pitch factor and distribution factor, MMF of distributed windings, Torque equation, Machine efficiency, Armature reaction and its compensation, Short circuit ratio, Effect of change in excitation, Effect of change in torque and speed, Voltage regulation, Determination of  voltage regulation by Synchronous impedance method, MMF method, ZPF method and AIEE method, Synchronization : Importance and Methods of synchronization. Operating characteristic, Load angle and Power flow equations, Capability curves, Two reaction model of Salient pole machines, Parallel operation, Load sharing between parallel connected generators, Effect of unequal voltages & unequal percentage impedance, Governor characteristics, Introduction to single phase generators, Slip test for measurement of direct axis and quadrature axis reactance for salient pole machine, Sudden short circuit of Synchronous machine, Hunting of synchronous machines and its prevention. 


EXAMPLES RELATED TO ABOVE TOPICS

MID - 1 SYLLABUS OF PSPD FOR SEM-8th ELECTRICAL

MID - 1 SYLLABUS OF POWER SYSTEM PLANNING AND DESIGN
SUBJECT CODE: 2180903

CH.-1  Transmission lines design
CH.-2  Design of distribution systems
CH.-3  Design of power system
CH.-4  Power System Earthing

Also refer old GTU  papers.

MID SEM-I SYLLABUS OF EPG (2140908)

Syllabus for Mid Sem-I (March-2018)
Subject Code: 2140908

Subject Name: ELECTRICAL POWER GENERATION

Chapter-1
Introduction (Whole chapter)
Chapter-2
Steam Power Station (Whole chapter)
Chapter-3
Hydro Power Station (Whole chapter)
Chapter-4
Nuclear Power Station (Whole chapter)
Chapter-5
Diesel Power Plant (Whole chapter)
Chapter-6
Gas Turbine Power Plant (Whole chapter)
Chapter-7
Tariff and Economic aspects in power Generation (Whole chapter)
Chapter 9
Photovoltaic Power Conversion systems
·Introduction ·  Solar  radiation spectrum.·  Radiation measurement.
Chapter 11
Substation (Whole chapter)

QUESTION BANK OF EPG (2140908) -SEMESTER-4

HIGH VOLTAGE ENGG SEM 6TH- QUESTION BANK

EPS II (2160908) syllabus for MID -I MARCH 2018

EPS II (2160908) syllabus for MID -I  MARCH 2018

ch-1   Current and Voltage Relations on a Transmission Line:

Representation of line, The short transmission line, The medium-length line, The long transmission line: Solution of the differential equations, The long transmission line: Interpretation of the equations, The long transmission line: Hyperbolic form of the differential equations, The equivalent circuit of a long line, Power flow through atransmission line (circle diagrams), Reactive compensation of transmission lines
ch-2 Symmetrical Three-Phase Faults:
 Transients in RL Series circuits, Short-Circuit currents and the reactances of Synchronous machines, Internal voltages of loaded machines under transient conditions, The bus impedance matrix in fault calculations, A bus impedance matrix equivalent network, The selection of circuit breakers.

ch-3 Symmetrical Components: 
Synthesis of Unsymmetrical phasors from their symmetrical components, The symmetrical components of unsymmetrical phasors, Phase shift of symmetrical components in Star-Delta Transformer Banks [2], Power in terms of symmetrical components, Sequence circuits of Y and Δ impedances, Sequence circuits of a symmetrical transmission line, Sequence circuits of the synchronous machine, Sequence circuits of a Y- Δ transformer, Unsymmetrical series impedances, Sequence networks

ch-4 Corona: 

Critical Disruptive Voltage, Corona Loss, Line Design based on Corona, Disadvantages of Corona, Radio Interference, Inductive interference between Power and Communicationlines.

Reference books and questions for mid sem
Morden power system engineering by Nagrath and kothari
power sysem by  V.K.Mehta