University of Engineering and Management Kolkata
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LIST OF EXPERIMENTS IN LABORATORIES
Basic Electrical Engineering Laboratory
- To study the characteristics of carbon & tungsten filament lamp.
- To study the characteristics of fluorescent lamp.
- Verification of superposition theorem.
- Verification of thevenin’s theorem.
- Verification of maximum power transfer theorem.
- Study of RLC series circuit.
- Study of RLC parallel circuit.
- Speed control of dc shunt motor.
- Measurement of 3-phase power by two wattmeter method.
- Equivalent circuit of single phase transformer.
Electrical Circuit Analysis Laboratory
- Transient response of R-L network: simulation with PSPICE /Hardware
- Transient response of R-C network: simulation with PSPICE /Hardware
- Transient response of R-L-C series circuit: Simulation with PSPICE/ Hardware
- Transient response of R-L-C parallel circuit: Simulation with PSPICE/ Hardware
- Determination of Impedance (Z) and Admittance (Y) parameter of two port network in T network: Simulation / Hardware.
- Determination of Impedance (Z) and Admittance (Y) parameter of two port network in π network: Simulation / Hardware.
- Frequency response of LP and HP filters: Simulation / Hardware.
- Frequency response of BP and BR filters: Simulation /Hardware.
- Generation of Periodic, Exponential, Sinusoidal, Damped Sinusoidal, Step, Impulse, Ramp signal using MATLAB in both discrete and analog form.
- Determination of Laplace transform and Inverse Laplace transform using MATLAB.
- Verification of Thevenin, and Norton Theorem using PSpice / Hardware
- Verification of Superposition Theorem using PSpice / Hardware
Analog Electronics Laboratory
- Study of Ripple and Regulation characteristics of full wave rectifier without capacitor filter.
- Study of Ripple and Regulation characteristics of full wave rectifier with capacitor filter.
- Study of Zener diode as voltage regulator
- Construction of two stage R-C coupled amplifier & study of its gain and Bandwidth.
- Study of class A amplifier
- Study of class C amplifier.
- Realization V-I converter using Operational Amplifier.
- Realization I-V converter using Operational Amplifier
- Study of timer circuit using NE 555 and configuration of Monostable Multivibrator.
- Study of timer circuit using NE 555 and configuration of Astable Multivibrator
- Study of DAC
- Study of ADC
ELECTRIC MACHINE LABORATORY-I
- Study of the characteristics of a separately excited DC generator.
- Study of the characteristics of a DC motor.
- Study of methods of speed control of DC motor.
- Study of the characteristics of a compound DC generator (short shunt).
- Measurement of speed of DC series motor as a function of load torque.
- Open circuit test of a single phase transformer.
- Short circuit test of a single phase transformer
- Demonstration of different types of motor
- Polarity test on a single phase transformer & study of different connections of three phase transformer.
- Study of equivalent circuit of three phase Induction motor by no load and blocked rotor test.
- Study of performance of wound rotor Induction motor under load.
- Study of performance of three phase squirrel- cage Induction motor –determination of iron- loss, friction & windage loss
DIGITAL ELECTRONICS LABORATORY
- Study of Basic Gates
- Realisation of basic gates using Universal logic gates.
- Realisation of RS flip flop using logic gates.
- Realisation of JK flip flop using logic gates
- Realisation of D flip flop using logic gates
- Design of Combinational circuit for BCD to decimal conversion to drive 7-segment display using Multiplexer.
- Realisation of Synchronous Up counters.
- Realisation of Synchronous Down counter
- Construction of simple Decoder & Multiplexer circuits using logic gates.
- Construction of simple Multiplexer circuits using logic gates
- Construction of adder circuit using Shift register
- Construction of adder circuit using Full adder
MEASUREMENT AND INSTRUMENTATION LABORATORY
- Instrument workshop- Observe the construction of PMMC, Dynamometer, Electrothermal and Rectifier type of instruments, Oscilloscope and Digital multimeter.
- Calibrate moving iron type ammeter/voltmeter by potentiometer.
- Calibrate electrodynamometer type ammeter/voltmeter by potentiometer.
- Calibrate dynamometer type wattmeter by potentiometer.
- Calibrate AC energy meter.
- Measurement of resistance using Kelvin double bridge.
- Measurement of power using Instrument transformer.
- Measurement of power in Polyphase circuits.
- Measurement of frequency by Wien Bridge.
- Measurement of Inductance by Anderson bridge
- Measurement of capacitance by De Sauty Bridge.
- Measurement of capacitance by Schering Bridge.
ELECTRICAL MACHINES-II LABORATORY
- Different methods of starting of a 3 phase Cage Induction Motor & their comparison [DOL, Auto transformer & Star-Delta]
- Speed control of 3 phase squirrel cage induction motor by different methods & their comparison [voltage control & frequency control].
- Speed control of 3 phase slip ring Induction motor by rotor resistance control.
- Determination of regulation of Synchronous machine by
- Potier reactance method.
- Synchronous Impedance method.
- Determination of equivalent circuit parameters of a single phase Induction motor.
- Load test on single phase Induction motor to obtain the performance characteristics.
- To determine the direct axis resistance [Xd] & quadrature reactance [Xq] of a 3 phase synchronous machine by slip test.
- Load test on wound rotor Induction motor to obtain the performance characteristics.
- To make connection diagram to full pitch & fractional slot winding of 18 slot squirrel cage Induction motor for 6 poles & 4 pole operation.
- To study the performance of Induction generator.
- Parallel operation of 3 phase Synchronous generators.
- V-curve of Synchronous motor
POWER SYSTEMS LABORATORY – I
- Overview of the different components of power system
- Determination of the generalized constants A.B, C, D of long transmission line.
- Simulation of DC distribution by network analyzer.
- Measurement of earth resistance by earth tester.
- Dielectric strength test of insulating oil.
- Determination of breakdown strength of solid insulating material.
- Different parameter calculation by power circle diagram
- Study of different types of insulator.
- Active and reactive power control of alternator.
- Study and analysis of an electrical transmission line circuit with the help of PSPICE.
- Dielectric constant, tan delta, resistivity test of transformer oil.
- Overview of Different Faults in the power system
CONTROL SYSTEMS LABORATORY
- Familiarization with MAT-Lab control system tool box, MAT-Lab- simulink tool box & PSPICE
- Determination of Step response for first order system with unity feedback on CRO & calculation of control system specification like Time constant, % peak overshoot, settling time etc. from the response.
- Determination of Step response for Second order system with unity feedback on CRO & calculation of control system specification like Time constant, % peak overshoot, settling time etc. from the response
- Simulation of Step response & Impulse response for type-0, type-1 & Type-2 system with unity feedback using MATLAB & PSPICE.
- Determination of Root locus using MATLAB control system tool box for 2nd order system & determination of different control system specification from the plot.
- Determination of Bode plot using MATLAB control system tool box for 2nd order system & determination of different control system specification from the plot.
- Determination of Nyquist plot using MATLAB control system tool box for 2nd order system & determination of different control system specification from the plot.
- Determination of PI controller action of first order simulated process.
- Determination of PD controller action of first order simulated process
- Determination of PID controller action of first order simulated process
- Determination of approximate transfer functions experimentally from Bode plot.
- Evaluation of steady state error, setting time, percentage peak overshoot, gain margin, phase margin with addition of Lead
MICROPROCESSORS LABORATORY
- Familiarization with 8085 register level architecture and trainer kit components including the memory map. Familiarization with the process of storing and viewing the contents of memory as well as registers.
-
(a) Study of prewritten program on trainer kit using the basic
instruction set ( data transfer, load/store, arithmetic, logical)
(b) Assignment based on that. -
(a) Familiarization with 8085 simulator on PC
(b) Study of prewritten program using basic instruction set (data transfer, load/store, arithmetic, logical).
(c) Assignment based on that. - Programming using kit/simulator.
- Lookup table
- Copying a block of memory
- Shifting a block of memory.
- Packing and unpacking of BCD numbers.
- Addition of BCD number
- Binary to ASCII conversion
- String matching
- Program using subroutine calls and using IN/OUT instruction using 8255 PPI on the trainer kit e.g. subroutine for delay, reading switch state and glowing LEDs accordingly, finding out frequency of pulse train etc.
- Interfacing any 8 bit latch (74LS373) with trainer kit as a peripheral mapped output port with absolute address decoding.
- Interfacing with I/O module :
- ADC
- Speed control of DC motor with DAC
- Keyboard
- Multi digit display with multiplexing.
- Stepper motor
POWER SYSTEM-II LABORATORY
- Study of the characteristics of on delay relay and off delay relay.
- Test to find out polarity, ratio and magnetization characteristics of CT and PT.
- Test to find out characteristics of
- under voltage relay
- earth fault relay.
- Study on DC load flow
- Study on AC load flow using Gauss-Seidel method
- Study on AC load flow using Newton Raphson method.
- Study on Economic load dispatch.
- Study of different transformer protection schemes by simulation.
- Study of different generator protection schemes by simulation.
- Study of different motor protection schemes by simulation.
- Study of different characteristics of over current relay.
- Study of different protection scheme for feeder.
Power Electronics Laboratory
- Study of the characteristics of an SCR.
- Study of the characteristics of a Triac
- Study of different triggering circuits of an SCR
- Study of firing circuits suitable for triggering SCR in a single phase full controlled bridge.
- Study of the operation of a single phase full controlled bridge converter with R and R-L load.
- Study of performance of single phase half controlled symmetrical and asymmetrical bridge converters.
- Study of performance of step down chopper with R and R-L load.
- Study of performance of single phase controlled converter with and without source inductance (simulation)
- Study of performance of step up and step down chopper with MOSFET, IGBT and GTO as switch (simulation).
- Study of performance of single phase half controlled symmetrical and asymmetrical bridge converter (simulation)
- Study of performance of three phase controlled converter with R & R-L load. (simulation)
- Study of performance of PWM bridge inverter using MOSFET as switch with R and R-L load.
- Study of performance of three phase AC controller with R and R-L load (simulation)
- Study of performance of a Dual converter. (simulation)
- Study of performance of a Cycloconverters (simulation)
ELECTRICAL DESIGN LABORATORY
- Familiarization of synchronous machine with the help of cut section models.
- Familiarization of single phase induction machine with the help of cut section models
- Familiarization of three phase induction machine with the help of cut section models
- Familiarization of DC machine with the help of cut section models
- Familiarization of single phase transformers with the help of cut section models
- Familiarization of three phase transformers with the help of cut section models
- Familiarization with the construction of single phase fan.
- Design & Fabrication of air and iron core inductor.
- Design & fabrication of small single phase transformer, 100 VA, 220/12 V.
- Design & fabrication of 10 W wire wound resistor.
- Introduction to computer aided machine design.
