Syllabus
ELECTRICAL
MEASURMENTS & MEASURING INSTRUMENTS LAB
EE-211-E
L T
P Class Work : 25 Marks
0 0 2 Exam : 25 Marks
Total : 50 Marks
Duration
of Exam : 3hrs
LIST OF EXPERIMENTS :
1. To identify the meters from the given lot.
2. To convert & calibrate a D’Arsonnal type galvanometer into a voltmeter & an
ammeter.
3. To calibrate an energy meter with the help
of a standard wattmeter & a stop watch.
4. To measure power
& p.f. by 3-ammeter method.
5. To measure power
& p.f by 3-voltmeter method.
6. To measure power
& p.f in 3-phase circuit by 2-wattmeter method.
7. To measure capacitance by De Sauty's bridge.
8. To measure inductance by maxwell's
bridge.
9. To measure frequency by Wien's bridge.
10. To measure the power with the help of C.T
& P.T.
11. To measure magnitude
& phase angle of a voltage by rectangular type potentiometer.
12. To measure magnitude
& phase angle of a voltage by polar type potentiometer.
13. To measure low resistance by Kelvin's double
bridge.
14. To measure high resistence
by loss of charge method.
Note: At least 7 experiments should be
performed from above list. Remaining 3
experiments may either be performed from above list or designed & set by
concerned institution as per scope of syllabus.
L T P CLASS WORK : 50 Marks
3 1 0 EXAM : 100 Marks
TOTAL : 150 Marks
DURATION OF EXAM : 3 HRS
UNIT1. INTRODUCTION :
Role of power electronics,
review of construction and characteristics of power diode, Shottky
diode, power transistor, power MOSFET, SCR, DIAC, Triac,
GTO, IGBT & SIT.
UNIT2. SCR:
Ratings and protections,
series and parallel connections, R, RC and UJT firing circuit and other firing
circuits based on ICs and microprocessors; pulse transformer and opto-coupler, commutation techniques.
UNIT3. AC REGULATORS:
Types of regulator, equation
of load current, calculation of extinction angle, output voltage equation,
harmonics in load voltage and synchronous tap changer, three phase regulator.
UNIT4. CONVERTERS :
One, two, three, six and
twelve pulse converters, fully and half controlled converters, load voltage
waveforms, output voltage equation, continuous and discontinuous modes of
operation, input power factor of converter, reactive power demand, effect of
source inductance, introduction to four quadrant / dual converter, power factor improvement techniques, forced
commutated converter, MOSFET and transistor based converters.
UNIT5. INVERTERS :
Basic circuit, 120 degree
mode and 180 degree mode conduction
schemes, modified McMurray half bridge and full bridge inverters, McMurray
-Bedford half bridge and bridge inverters,, brief description of parallel and
series inverters, current source inverter (CSI), transistor and MOSFET based
inverters.
UNIT6. CHOPPERS :
Basic scheme, output voltage
control techniques, one, two, and four quadrant choppers, step up chopper,
voltage commutated chopper, current commutated chopper, MOSFET and transistor
based choppers.
UNIT7. CYCLOCONVERTERS :
Basic principle of frequency
conversion, types of cycloconverter, non-circulating
and circulating types of cycloconverters.
UNIT8. DRIVES:
Introduction to electric
drives: DC drives – converter and chopper fed dc drives, ac drives -
stator voltage control, V/f control, rotor resistance control, static Scherbius system and static Kramer systems.
EE-321-E
L T P CLASS WORK : 50 Marks
3 1 0 EXAM : 100 Marks
TOTAL : 150 Marks
DURATION OF EXAM : 3 HRS
LIST OF EXPERIMENTS:
1. Study of characteristics of diode, thyristor and triac.
2. Study of characteristics of transistor and MOSFET.
3. Study of R and R-C firing circuits.
4. Study of UJT firing circuit.
5. Study of complementary voltage commutation using a lamp flasher.
6. Study of complementary voltage commutation using ring counter.
7. Study of thyristorised d-c circuit breaker.
8. Study of a.c. phase control.
9. Study of full wave converter.
10. Study of dc chopper.
11. Study of series inverter.
12. Study of bridge inverter.
13. Study of single phase cycloconverter.
NOTE : At least ten experiments have to be performed in the semester. At least seven experiments should be performed from above list. Remaining three experiments may either be performed from the above list or designed & set by the concerned institution as per the scope of the syllabus of EE-317-E.