Syllabus of Diploma (RGPV) Semester-III, Electrical Engineering
INTRODUCTION TO ELECTRIC GENERATION SYSTEMS, PAPER CODE : 7431, SUBJECT CODE : 301
Unit – I : Thermal Power Plants: Coal, Gas/ Diesel and Nuclear-based
- Layout and working of a typical thermal power plant with steam turbines and electric generators.
- Properties of conventional fuels used in the energy conversion equipment used in thermal power plants: Coal, Gas/ diesel,
- Nuclear fuels –fusion and fission action Safe Practices and working of various thermal power plants: coal-based, gas-based, diesel-based, nuclear-based.
- Functions of the following types of thermal power plants and their major auxiliaries: Coal fired boilers: fire tube and water tube.
- Gas/diesel based combustion engines Types of nuclear reactors: Disposal of nuclear waste and nuclear shielding.
- Thermal power plants in Maharashtra.
Unit – II : Large and Micro-Hydro Power Plants
- Energy conversion process of hydro power plant.
- Classification of hydro power plant: High, medium and low head.
- Construction and working of hydro turbines used in different types of hydro power plant:
- High head – Pelton turbine
- Medium head – Francis turbine
- Low head – Kaplan turbine.
- Safe Practices for hydro power plants.
- Different types of micro- hydro turbines for different heads: Pelton, Francis and Kaplan turbines
- Locations of these different types of large and micro-hydro power plants in Maharashtra
- Potential locations of micro-hydro power plants in Maharashtra.
Unit– III : Solar and Biomass based Power Plants
- Solar Map of India: Global solar power radiation.
- Solar Power Technology
- Concentrated Solar Power (CSP) plants, construction and working of: Power Tower, Parabolic Trough, Parabolic Dish, Fresnel Reflectors
- Solar Photovoltaic (PV) power plant: layout, construction, working.
- Biomass-based Power Plants
- Layout of a Bio-chemical based (e.g. biogas) power plant:
- Layout of a Thermo-chemical based (e.g. Municipal waste) power plant
- Layout of an Agro-chemical based (e.g. bio-diesel) power plant
- Features of the solid, liquid and gas biomasses as fuel for biomass power plant.
Unit– IV : Wind Power Plants
- Wind Map of India: Wind power density in watts per square meter
- Layout of Horizontal axis large wind power plant:
- Geared wind power plant.
- Direct-drive wind power plant.
- Salient Features of electric generators used in large wind power plants:
- Constant Speed Electric Generators: Squirrel Cage Induction Generators (SCIG),
- Wound Rotor Induction Generator (WRIG)
- Variable Speed Electric Generators: Doubly-fed induction generator (DFIG),
- wound rotor synchronous generator (WRSG), permanent magnet synchronous generator (PMSG)
Unit– V : Economics of Power Generation and Interconnected Power System
- Related terms: connected load, firm power, cold reserve, hot reserve, spinning reserve. Base load and peak load plants; Load curve, load duration curve, integrated duration curve
- Cost of generation: Average demand, maximum demand, demand factor, plant capacity factor, plant use factor, diversity factor, load factor and plant load factor.
- Choice of size and number of generator units, combined operation of power station.
- Causes and Impact and reasons of Grid system fault: State grid, national grid, brownout and black out; sample blackouts at national and international level
ELECTRIC CIRCUITS, PAPER CODE : 7432, SUBJECT CODE : 302
Unit – I : Single Phase A.C Series Circuits
- Generation of alternating voltage, Phasor representation of sinusoidal quantities
- R, L, C circuit elements its voltage and current response
- R-L, R-C, R-L-C combination of A.C series circuit, impedance, reactance, impedance triangle,
- Power factor, active power, reactive power, apparent power, power triangle and vector diagram
- Resonance, Bandwidth, Quality factor and voltage magnification in series R-L, R-C, RL-C circuit
Unit – II : Single Phase A.C Parallel Circuits
- R-L, R-C and R-L-C parallel combination of A.C. circuits. Impedance, reactance, phasor diagram, impedance triangle
- R-L, R-C, R-L-C parallel A.C. circuits power factor, active power, apparent power, reactive power, power triangle
- Resonance in parallel R-L, R-C, R-L-C circuit, Bandwidth, Quality factor and voltage magnification
Unit– III : Three Phase Circuits
- Phasor and complex representation of three phase supply
- Phase sequence and polarity
- Types of three-phase connections, Phase and line quantities in three phase star and delta system
- Balanced and unbalanced load, neutral shift in unbalanced load
- Three phase power, active, reactive and apparent power in star and delta system
Unit– IV : Network Reduction and Principles of Circuit Analysis
- Source transformation
- Star/delta and delta/star transformation
- Mesh Analysis
- Node Analysis
Unit– V : Network Theorems
- Superposition theorem.
- Thevenin’s theorem.
- Norton’s theorem
- Maximum power transfer theorem
- Reciprocity theorem
- Duality in electric circuits
ELECTRICAL AND ELECTRONIC MEASUREMENTS, PAPER CODE : 7433, SUBJECT CODE : 303
Unit – I : Fundamentals of Measurements
- Measurement: Significance, units, fundamental quantities and standards
- Classification of Instrument Systems:
- Null and deflection type instruments
- Absolute and secondary instruments
- Analog and digital instruments
- Static and dynamic characteristics, types of errors
- Calibration: need and procedure
- Classification of measuring instruments: indicating, recording and integrating instruments.
- Essential requirements of an indicating instruments
Unit – II : Measurement of voltage and current
- DC Ammeter: Basic, Multi range, Universal shunt,
- DC Voltmeter: Basic, Multi-range, concept of loading effect and sensitivity
- AC voltmeter: Rectifier type (half wave and full wave)
- CT and PT: construction, working and applications.
- Clamp-on meter.
Unit– III : Measurement of Electric Power
- Analog meters: Permanent magnet moving coil (PMMC) and Permanent magnet moving iron (PMMI) meter, their construction, working, salient features, merits and demerits
- Dynamometer type wattmeter: Construction and working
- Range: Multiplying factor and extension of range using CT and PT
- Errors and compensations.
- Active and reactive power measurement: One, two and three wattmeter method.
- Effect of Power factor on wattmeter reading in two wattmeter method. Maximum Demand indicator
Unit– IV : Measurement of Electric Energy
- Single and three phase electronic energy meter: Constructional features and working principle.
- Errors and their compensations.
- Calibration of single phase electronic energy meter using direct loading.
Unit– V : Circuit Parameter Measurement, CRO and Other Meters
- Measurement of resistance:
- Low resistance: Kelvin’s double bridge,
- Medium Resistance: Voltmeter and ammeter method
- High resistance: Megger and Ohm meter: Series and shunt Measurement of inductance using Anderson bridge (no derivation and phasor diagram)
- Measurement of capacitance using Schering bridge (no derivation and phasor diagram)
- Single beam/single trace CRO, Digital storage Oscilloscope: Basic block diagram, working,
- Cathode ray tube, electrostatic deflection, vertical amplifier, time base generator, horizontal amplifier, measurement of voltage/ amplitude/ time period/ frequency/ phase angle delay line, specifications.
- Other meters: Earth tester, Digital Multimeter; L-C-R meter, Frequency meter (ferromagnetic and Weston type), Phase sequence indicator, power factor meter (single phase and three phase dynamometer type), Synchro scope, Trivector meter
- Signal generator: need, working and basic block diagram.
- Function generator: need, working and basic block diagram, function of symmetry.
ELECTRIC MOTORS AND TRANSFORMERS, PAPER CODE : 7434, SUBJECT CODE : 304
Unit – I : DC Generators
- DC generator: construction, parts, materials and their functions.
- Principle of operation of DC generator: Fleming’s right hand rule, schematic diagrams, e.m.f. equation of generator, armature reaction, commutation and.
- Applications of DC generators. Classification of measuring instruments: indicating, recording and integrating instruments.
Unit – II : D.C. Motors
- DC motor: Types of DC motors. Fleming’s left hand rule, Principle of operation of, Back e.m.f. and its significance, Voltage equation of DC motor.
- Torque and Speed; Armature torque, Shaft torque, BHP, Brake test, losses, efficiency.
- DC motor starters: Necessity, two point and three point starters.
- Speed control of DC shunt and series motor: Flux and Armature control.
- Brushless DC Motor: Construction and working.
Unit– III : Single Phase Transformers
- Types of transformers: Shell type and core type; Construction: Parts and functions, materials used for different parts: CRGO, CRNGO, HRGO, amorphous cores,
- Transformer: Principle of operation, EMF equation of transformer: Derivation, Voltage transformation ratio,
- Significance of transformer ratings
- Transformer No-load and on-load phasor diagram, Leakage reactance,
- Equivalent circuit of transformer: Equivalent resistance and reactance.
- Voltage regulation and Efficiency: Direct loading, OC/SC method, All day efficiency
Unit– IV : Three Phase Transformers
- Bank of three single phase transformers, Single unit of three phase transformer Distribution and Power transformers.
- Construction, cooling, Three phase transformers connections as per IS:2026 (part IV)-1977, Three phase to two phase conversion (Scott Connection),
- Selection of transformer as per IS: 10028 (Part I)-1985, Criteria for selection of distribution transformer, and power transformer, Amorphous Core type
- Distribution Transformer, Specifications of three-phase distribution transformers as per IS:1180 (part I)-1989
- Need of parallel operation of three phase transformer, Conditions for parallel operation.
- Polarity tests on mutually inductive coils and single phase transformers;
- Polarity test, Phasing out test on Three-phase transformer.
Unit– V : Special Purpose Transformers
- Single phase and three phase auto transformers: Construction, working and applications.
- Instrument Transformers: Construction, working and applications of Current transformer and Potential transformer.
- Isolation transformer: Constructional Features and applications.
- Single phase welding transformer: constructional features and applications.
- Pulse transformer: constructional features and applications.
- ‘K’ factor of transformers: overheating due to non-linear loads and harmonics.
RENEWABLE ENERGY POWER PLANTS, PAPER CODE : 7435, SUBJECT CODE : 305
Unit – I : Solar PV and Concentrated Solar Power Plants
- Solar Map of India: Global solar power radiation, Solar PV
- Concentrated Solar Power (CSP) plants, construction and working of: Power Tower,
- Parabolic Trough, Parabolic Dish, Fresnel Reflectors
- Solar Photovoltaic (PV) power plant: components layout, construction, working.
- Rooftop solar PV power system
Unit – II : Large Wind Power Plants
- Wind Map of India: Wind power density in watts per square meter Lift and drag principle; long path theory.
- Geared type wind power plants: components, layout and working.
- Direct drive type wind power plants: components, layout and working.
- Constant Speed Electric Generators: Squirrel Cage Induction Generators (SCIG), Wound Rotor Induction Generator (WRIG);
- Variable Speed Electric Generators: Doubly-fed induction generator (DFIG), wound rotor synchronous generator (WRSG), permanent magnet synchronous generator (PMSG)
Unit– III : Small Wind Turbines
- Horizontal axis small wind turbine: direct drive type, components and working
- Horizontal axis small wind turbine: geared type, components and working
- Vertical axis small wind turbine: direct drive and geared, components and
- working Types of towers and installation of small wind turbines on roof tops and open fields.
- Electric generators used in small wind power plants
Unit– IV : Micro-hydro Power Plants
- Energy conversion process of hydro power plant.
- Classification of hydro power plant: High, medium and low head.
- Layouts of micro-hydro power plants
- Construction and working of hydro turbines used in different types of hydro power plant:
- High head – Pelton turbine
- Medium head – Francis turbine
- Low head – Kaplan turbine.
- Safe Practices for micro hydro power plants.
Unit– V : Biomass-based Power Plants
- Properties of solid fuel for biomass power plants: bagasse, wood chips, rice husk, municipal waste
- Properties of liquid and gaseous fuel for biomass power plants: Jatropha, bio-diesel gobar gas
- Layout of a Bio-chemical based (e.g. biogas) power plant:
- Layout of a Thermo-chemical based (e.g. Municipal waste) power plant
- Layout of a Agrochemical based (e.g. bio-diesel) power plant
PROFESSIONAL DEVELOPMENT, PAPER CODE : –, COURSE CODE : —
Unit – I : Professional and Social Ethics
- Professional ethics, its need and importance, general code of ethics for engineers, ethical issues for engineers.
- Need and importance of social skills, social skills for better group performance, important social skills such as social perceptiveness, coordination, negotiation, persuasion etc.
Unit – II : Lifelong learning and Self-directed Learning
- Lifelong learning, its examples, self-directed learning, its examples, important steps in lifelong learning.
- Need for planning self-directed learning, planning self-directed learning plan, examples.
Unit – III : Career Planning
- Importance of career planning, major career opportunities in concerned branch of engineering , study of the important career opportunities regarding qualification,
- knowledge, skills, experience required for them, role of personal factors like personal life style, interest areas, desires, personal preferences in career planning.
- Identification and detailing of important career opportunities in relation to branch of diploma,
- identification and detailing of important self-personal factors and self-personal preferences, development of self-career plan.
Unit – IV : Industrial Visits
- Necessity of exposure to environment and practices, lectures by industry experts.
- Importance of Students’ industrial visits, learning through observing real life industrial systems, planning and organizing the industrial visits.
Unit – V : CV, Resume, Bio-data and Interview
- Need of presenting self for employment, salient features and formats of bio-data, CV, resume,
- comparison of the three for their merits, limitations and specific uses, study of cases and examples of bio-data, CV,
- resume and covering letter by all students for self of for the given cases.
- Importance of employment related interviews, purpose of interview, dress code, body language and posture of interviewee, do’s and don’ts for interviews,
- interview checklist, practice of facing employment related interviews for all students.
Unit – VI : Group Discussion
- Need and importance of group discussion in professional work,
- ideal group discussion and skills needed to effectively participate in group discussion,
- practice of group discussion skills.
==End of Syllabus==
