B.E. I Sem (All Branches)

I SEMESTER

110. ELECTRICAL AND ELECTRONICS LAB

List of Experiments


A. ELECTRICAL LAB
1.
Single line diagram of a power system and a distribution sub-station and basic functional study of main components used in power systems.
2.
Make house wiring including earthing for 1-phase energy meter, MCB, ceiling fan, tube light, three pin socket and a lamp operated from two different positions. Basic functional study of components used in house wiring.
3.
Study the construction and basic working of ceiling fan, single phase induction motor and three phase squirrel cage induction motor. Connect ceiling fan along with regulator and single phase induction motor through auto-transformer to run and vary speed.
4.
(a) Basic functional study and connection of moving coil & moving iron ammeters and voltmeters, dynamometer, wattmeter and energy meter.
(b) Run a 3-phase squirrel cage induction motor at no load and measure its voltage, current, power and power factor. Reverse the direction of rotation.
5.
Study the construction, circuit, working and application of the following lamps:
(i) Fluorescent lamp, (ii) Sodium vapour lamp, (iii) Mercury vapour lamp, (iv) Halogen lamp and
(v) Neon lamp
6.
(a) Study the construction and connection of single phase transformer and auto-transformer. Measure input and output voltage and fin turn ratio.
(b) Study the construction of a core type three phase transformer. Perform star and delta connection on a 3-phase transformer and find relation between line and phase voltage.


B. ELECTRONICS LAB
7.
Identification, testing and applications of resistors, inductors, capacitors, PN-diode, Zener diode, LED, LCD, BJT, FET, UJT, SCR, Photo diode and Photo transistor.
8.
(a) Functional study of CRO, analog & digital multi-meters and function / signal generator.
(b) Study the single phase half wave and bridge rectifier and effects of filters on waveform.
9.
Study the BJT amplifier in common emitter configuration. Measure voltage gain, plot gain frequency response and calculate its bandwidth.
10.
(a) Study the construction and basic working of SCR.
(b) Study the single phase half wave and bridge controlled rectifier and observe the effect of firing angle on waveform.