BE3251 – SYLLABUS
UNIT I ELECTRICAL CIRCUITS
DC Circuits: Circuit Components: Conductor, Resistor, Inductor, Capacitor – Ohm’s Law – Kirchhoff’s Laws –Independent and Dependent Sources – Simple problems- Nodal Analysis, Mesh analysis with Independent sources only (Steady state)
Introduction to AC Circuits and Parameters: Waveforms, Average value, RMS Value, Instantaneous power, real power, reactive power and apparent power, power factor – Steady state analysis of RLC circuits (Simple problems only)
UNIT II ELECTRICAL MACHINES
Construction and Working principle- DC Separately and Self excited Generators, EMF equation, Types and Applications. Working Principle of DC motors, Torque Equation, Types and Applications. Construction, Working principle and Applications of Transformer, Three phase Alternator, Synchronous motor and Three Phase Induction Motor.
UNIT III ANALOG ELECTRONICS
Resistor, Inductor and Capacitor in Electronic Circuits- Semiconductor Materials: Silicon &Germanium – PN Junction Diodes, Zener Diode –Characteristics Applications – Bipolar Junction Transistor-Biasing, JFET, SCR, MOSFET,IGBT – Types, I-V Characteristics and Applications, Rectifier and Inverters
UNIT IV DIGITAL ELECTRONICS
Review of number systems, binary codes, error detection and correction codes, Combinational logic – representation of logic functions-SOP and POS forms, K-map representations – minimization using K maps (Simple Problems only)
UNIT V MEASUREMENTS AND INSTRUMENTATION
Functional elements of an instrument, Standards and calibration, Operating Principle, types -Moving Coil and Moving Iron meters, Measurement of three phase power, Energy Meter, Instrument Transformers-CT and PT, DSO- Block diagram- Data acquisition
Unit 1
16 mark
*Mesh analysis problems
*Nodal analysis problems
*RLC problems
2 marks
*Diff between mesh and loop
- State KCL, KVL
- Series parallel connection difference
*RMS value
*Form factor , crest factor,
*Average value - Power factor
*Star and delta connection formula
Unit 2
16 marks
- Construction of dc machine
*Working of motor and generator
*Types of generators and motors with circuit diagrams
*Construction and working of transformer - Emf equation of transformer
- Emf equation of generators
*Torque equation of motor
*Emf equation of transformer problems
2marks
*Main parts of dc machine
*Function of yoke
*Define commutator
*State working principle of generators and motors
*Any one Type of generators or motors with circuit diagram
*Back emf - Write Emf equation of generator
*Write torque equation of motor
*Write Emf equation of transformer
*Define transformation ratio
*State working principle of transformer
*Main parts of transformer
Unit 3
16 marks
- Theory of pn junction
*Working of pn junction
*V I characteristics of pn junction diode
*V I characteristics of zener diode
*Application of zener diode
*Any one configuration CE or CB or CC configuration
*Half wave rectifier
*Full wave bridge rectifier
*Jfet
*Scr
*MOSFET
*igbt
2 marks
*Diff between p type and ntype semiconductor
*Doping
*Diff between intrinsic and extrinsic semiconductor
- Application of pn junction diode
*Application of zener diode
*Diff between conductor semiconductor and insulator
*Define bjt
*Application of bjt
*Application of igbt,scr,MOSFET
*Define biasing
*Forward and reverse bias
*Rectifier definition
*Inverter definition
Unit 4
16 marks
- K map problems
- Reduction of sop and pos problems
- Number system conversion problems
- Error detection code and error correction code
- Logic gates diagram symbol and truth table
2 marks
- Number Conversion problems
*Any one Logic gates diagram symbol and truth table
*Sop and pos form - Boolean algebra identities and problems
*Defin k map
Unit 5
16 marks
*Construction and working of Pmmc instruments
- Construction and working of MI instruments
- Construction and working of Wattmeter
*Construction and working of Energy meter - Construction and working of digital storage oscilloscope
- Data acquisition system
*Functional elements
*Standards
*Calibration
*Current transformer
*Potential transformer
2 marks
*Functional elements of system
- Adv and disadvantage of Pmmc and mi instruments
*Define DSO
*Define data acquisition system
Define ct and pt
*Any one standards definition
*Calibration definition