Electrical Engineering (EE)

Laboratories:

EE Lab Details:

 

 

 

 

2.

Electric Circuit Theory Lab.

Study of two-port network for Z, T and Y parameters of System & Services makes.

1

  1. Determination of Z and Y parameters of a two-port network.

ii) Verification of network theorems.

Transient response study of R-L and R-C circuit of System & Services makes.

1

To study the transient response of R-L and R-C circuit.

Transient response study of series and parallel R-L-C resonance circuit of System & Services makes.

1

To study the transient response of R-L-C series and R-L-C parallel circuit. (Last)

3.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric Machine Lab.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 H.p., 220 V, 1500 rpm dc motor, dc generator, 0.75 kW MCV, MCA, dc motor starter.

1

Study of characteristics of a separately excited dc generator.

2H.P, 220V, 1500rpm dc shunt motor, one 0.75 kW, 220V, 1500rpm dc compound generator, MCV, MCA.

1

Study of characteristics of a dc compound generator

2H.P, 220V, 1500rpm dc motor, spring balance arrangement with water-pulley and two spring balance one, base plate & coupling arrangement panel board: M.S. channel, MCV, MCA, bakelite board

1

Measurement of speed of a dc series motor as a function of a load torque.

1kVA, 220/110V, single phase, 50Hz open type transformer with CRGO core panel board consists of M.S. channel, bakelite board. Terminals required MIA, MIV, LPF and UPF wattmeter.

1

Open circuit & Short circuit test of a single phase transformer

Three nos single phase 1kVA, 400/200V open type transformer with suitable tapping for scott, zigzag and other connections. Panel board consists of M.S. channel, bakelite board, two MIV volt,

1

Study of different connections of three phase transformer.

1H.P., 3phase, 400V, 50Hz, 1500rpm,4pole squirrel cage induction motor(Blocked rotor arrangement with suitable pulley), panel board: M.S. channel, bakelite board, MIV, MIA wattmeter(LPF & UPF), variable ac source, 3phase off-on switch, main switch and digital tachometer

1

Study of equivalent circuit of three phase induction motor by no load and blocked rotor test

1H.P., 3phase, 400V, 50Hz, 1500rpm,4pole slip ring induction motor of star connection. Spring balnce arrangement with water pulley & two spring balance, base plate & coupling arrangement, Panel board: M.S. channel, bakelite board, voltmeter, ammeter.

1

Study of performance of wound rotor induction motor under load.

1H.P., 3phase, 400V, 50Hz, 1500rpm,4pole squirrel cage induction motor, mechanical arrangement for iron loss, friction & windage loss. Panel board: M.S. channel, bakelite board, voltmeter, ammeter.

1

Study of performance of three phase squirrel cage induction motor. Determination of iron loss, friction and windage losses.

3H.P., 415V, 1460rpm squirrel cage induction motor of star-delta connection. Ammeter: M.I type ac, panel type, 0.5amps. Voltmeter: M.I. type ac, 0-500V, panel type

1

Different methods of starting 3phase squirrel cage induction motor & their comparison(DOL, auto transformer, star-delta)

3H.P., 415V, squirrel cage induction motor of star connection, foot mounted. Variac: 3H.P., table top type, portable, 0-220V, 8amps. Ammeter: ac, panel type, 0-5amps. Voltmeter: ac, 0-300V, panel type,

1

Speed control of 3ph squirrel cage induction motor by different methods & their comparison (voltage control & voltage/frequency control)

Alternator: 1kVA, 440V, star connected, 1500rpm. Drive: dc motor, 2H.P. 20V, shunt type, 1500rpm. Ammeter: ac, M.I type, 0-5amps. Voltmeter: ac, 0-300V, M.C type,
RPM meter: digital type.

1

Determination of regulation of an alternator by synchronous impedance method.

Synchronous machine: 1.5kVa, 415V, star connected, 1500rpm, 50Hz. DC starter: 3H.P. capacity, 220V dc, 3point starter.
Voltmeter: 0-500V, MI type, panel mount(AE make) ammeter: 0-5A, MI type.

1

Determination of regulation of a synchronous machine by potier reactance method.

1 phase induction motor: 1H.P., 230V, 50Hz, 1450rpm, squirrel cage induction motor with capacitor start. Voltmeter: 0-300V, MI type, panel mount(AE make) Wattmeter: 0-300V/1-10A, single phase, digital type.

1

Determination of equivalent circuit parameters of a single phase induction motor & load test on single phase induction motor to obtain the performance characteristics.

Synchronous machine: 1.5kVA, 440V, star connected, 1500rpm, 220V. Drive: dc motor 2H.P., 220V, shunt type,1500rpm. DC starter: 2hp capacity, 220V dc, 3point starter. Voltmeter: 0-150V, MI type, panel mount(AE make) ammeter: 0-2A, MI type panel mount(AE make).

1

To determine the direct axis reactance & quadrature axis reactance of three phase synchronous machine by slip test.

All parts are properly marked & color for easy identification.

1

Cut section model of 3hp, 415v, 1460rpm slip ring induction motor.

All section of the machine are properly marked & color for easy identification

1

Cut section model of 2kW, 415V, 1460rpm synchronous machine with damper winding.

All section of the machine are properly marked & color for easy identification

1

Cut section model of 2hp, 220V, 1500rpm dc compound machine with interpole.

DC rectifier unit, 0-220V, 50A. Input: 3ph,451V, 50Hz, 4wire system. Output: 0-220v, 0-50A.

 

For dc supply.(Last)

 

 

4.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical & Electronics Measurement Lab.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measurement of Power in Polyphase circuits of System & Services makes.        

1

Measurement of 3-φ power using two and three Wattmeters.

Measurement of power by using C.T. & P.T. of System & Services makes.

1

Measurement of power by using instrument transformers.

1-φ a.c. energy meter calibration kit.

1

Calibration of a.c. energy meter.

Kelvin’s Double Bridge and its power supply unit.

1

Measurement of low resistance by using Kelvin’s Double Bridge.

Calibration of dynamometer type wattmeter by using potentiometer kit and its power supply unit.

1

Calibration of dynamometer-type wattmeter by using potentiometer.

Calibration of MC voltmeter & MI Ammeter.

1

Calibration of Moving Coil type Voltmeter & Moving Iron type Ammeter by using potentiometer.

Wiens Bridge training kit

1

Measurement of frequency by Wiens Bridge.

Andersons Bridge training kit

1

Measurement of inductance by Anderson Bridge.

De-Sauty Bridge training kit

1

Measurement of Capacitance by De-Sauty Bridge.

Dynamometer-type Wattmeter (COSMO)

1

 

Study of various types of instruments. (last)

Ammeter – MI Type (COSMO)

1

 

 

Ammeter – MC Type (COSMO)

2

 

Digital Multimeter

1

CRO – 10 MHz (Mekatron)

1

 

5.

 

Transducers & Sensors Lab.

V-I Converter study kit of System & Services makes.

1

Study of two-channel voltage to current transmitter.

I-V Converter study kit of System & Services makes.

1

Study of two-channel current to voltage receiver(converter)

Stroboscopic Trainer kit of System & services makes.

1

Measurement of angular speed by stroboscope.

Temperature Measurement using AD-590 of system & Services makes.

1

Temperature measurement using AD 590 semi-conductor temperature sensor.

Study kit of LDR of System & Services makes.

1

Study of Light Dependent Resistor (LDR). (Last)

 

6.

 

Control System Lab.

AC position control system Trainer

1

 

Not included in the present syllabus.

DC Servo Mechanism Trainer

1

 

 

7.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power System Lab.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Di-electric strength of Insulating oil, I/P: 230V, 1-phase, 50 Hz, ac supply; O/P: 0-60 kV/ac; Cap: 600 VA(max), Shruti Electronics make.

1

To determine the di-electric strength of insulating oil.

Di-electric strength of solid insulating material. I/P: 230V, 1-phase, 50 Hz, ac supply; O/P: 0-5 kV.

1

To determine the di-electric strength of solid insulating material.

Earth Megger Tester

1

To measure the earth resistance with the help of meggar earth tester.

Insulators:
i) Pin type – 11 kV
ii) Suspension – 33 kV
iii) Strain type – 11 kV
iv) Shackle type – 3 kV
v) Stray type

1 each

To study different types of insulators.

Tan-Delta Unit.
I/P: 230V, 1-phase, 50 Hz, ac supply; Test Voltage: 0-700 V /ac.
Shruti Electronics.

1

 

 

 

To determine di-electric constant, tan-delta, resistivity of transformer oil.

Heater.
I/P: 230V, 1-phase, 50 Hz, ac supply.
Shruti Electronics.

1

Million mega-ohm meter.
I/P: 230V, 1-phase, 50 Hz, ac supply; Test Voltage: 500 V/dc
Shruti Electronics.

1

Active and Reactive Power Control of Alternator along with panel board.
Shruti Electronics

1

To study the active and reactive power control of alternator.

Earth Fault Relay study kit of System & Services makes.

1

Test to find out characteristics of earth fault relay.

Over-Current IDMT Relay study kit (micro-processor solid state) of System & Services makes.

1

Study of different characteristics of over-current relay.

Off-Load Time Delay Relay of System & Services makes.

1

Study of the characteristics of off delay relay.

On-Load Time Delay Relay of System & Services makes.

1

Study of the characteristics of on delay relay.

Measurement of Power Kit using C.T. & P.T. of System & Services makes.

1

Test to find out polarity, ratio and magnetizing characteristics of C.T. & P.T.

Under-Voltage Relay study panel of System & Services makes.

1

Test to find out characteristics of under-voltage relay. (Last)

 

 

8.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Electronics and Drives Lab.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V-I characteristics of SCR having two dc supply: 0-30V and 0-1V with 150mA each.

1

Study of the voltage-current characteristics of SCR.

V-I characteristics of TRIAC  having two dc supply: 0-15 V dc and 0-5Vdc having 150mA each.

1

Study of characteristics of TRIAC.

SCR Firing Circuits ME 792.

1

Study of different triggering circuits for thyristor.

SCR Single-Phase Full-Wave, Fully Controlled Bridge Rectifier/Converter.
MARS 799.

1

i) Study of the operation of 1-phase fully controlled bridge converter.
ii) Study of firing circuits suitable for triggering SCR in a 1-phase fully controlled bridge rectifier.

1-phase full converter bridge circuit rectifier with Op-Amp based zero-crossing detector, comparator, ramp circuit, Isolated triggering circuit to control fixed ac to variable dc to drive shunt motor.
I/P voltage 230V(+/-10%), 1-phase 50 Hz motor of 0.25 hp.
Dc shunt motor, with digital RPM meter, voltmeter, ammeter.

1

Study of phase-controlled rectifier (full-converter) based DC Motor Drive.

Chopper-fed dc drive kit having conversion facility from fixed dc source to variable dc source to drive a dc motor.
I/P volts 230V (+/- 10%), 1-phase 50 Hz motor of 0.25 hp as capacity dc motor, voltmeter, ammeter, etc.

1

Study of chopper-fed dc drive.

Single-phase motor speed control using TRIAC. TRIAC based ac motor control trainer, UJT based Gate Control, Universal Motor (0.25 hp, 220 V).

1

Study of ac 1-pahse motor speed control using TRIAC.

IGBT based variable voltage & variable frequency drive & control the speed of a 3-phase Squirrel cage induction motor of 0.5 hp. I/P volt: 440 V, 3-phase 50 Hz ac. O/P: 0-400 V (L-L), 50 Hz, 3-phase ac supply.

1

Study of voltage/frequency control operation of 3-phase induction motor drive.

PLC & PC based ac & dc motor speed control.
PLC Module:
PLC panel, ac drives of 1 hp, 400 V, 3-pahse V/f ac drives module.
Dc drives: 1 hp, 220 V, dc shunt motor drives.
Drives Panel: ac motor of 1 hp, 440 V, 1460 rpm, 3-phase, Y-connected; &, dc motor of 0.5 hp, 220 V, shunt type, 1500 rpm.

1

PC/PLC based AC/DC motor control operation.


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