Supply , Installation And Commissioning Of Devices , Machineries , Equipment And Tools , Etc . In Laboratories And Workshop Of Electrical Engineering Department Of Jangipur Government Polytechnic-1 Instrument To Verify Kirchoff’S Current Law And Kirchoff’S Voltage Law. 2 Instrument For Measurement Of Inductance Of A Choke 3 Instrument For Measurement Of Current , Voltage Across Each Element Of R-L-C Parallel Circuit And Draw The Phasor Diagram To Calculate P.F. 4 Instrument To Verify Conditions For Series And Parallel Resonance 5 Instrument To Verify Following Network Theorems Applicable To D.C. Circuit. I ) Superposition Theorem Ii ) Thevenin’S Theorem Iii ) Superposition Theorem Iv ) Thevenin’S Theorem 6 Instrument To Verify Following Network Theorems Applicable To D.C. Circuit. I ) Norton’S Theorem Ii ) Maximum Power Transfer Theorem 7 Instrument To Plot The O.C.C. Of A D.C. Generator & Find The Critical Resistance. 8 Instrument To Find The Performance Of A D.C. Series Motor By Conducting Load Test & Draw The Load Characteristics. 9 Instrument To Find The Performance Of A D.C. Shunt Motor By Conducting Load Test & Draw The Load Characteristics. 10 Instrument To Compute The Efficiency Of A D.C. Motor By Swinburn’S Test. 11 Instrument To Control The Speed Of D.C. Shunt Motor Above & Below Normal Speed & Draw The Speed Characteristics. 12 Instrument To Determine Equivalent Circuit Parameters Of Single-Phase Transformer By Performing O.C. Test And S.C. Test. 13 Instrument To Determine The Regulation & Efficiency Of Single-Phase Transformer By Direct Loading Method. 14 Instrument To Operate Two Single-Phase Transformers In Parallel & Find Out The Load Sharing Between Them. 15 Instrument To Perform Heat Run Test Of A Single-Phase Transformer. 16 Instrument To Compute The Efficiency Of A Single-Phase Transformer By Back-To-Back Test. 17 3Phase Motor-Shunt Generator Set. 18 Instrument A ) To Measure The Slip Of 3-Phase Induction Motor By – ( I ) Stroboscopic Method, ( Ii ) Tachometer. B ) To Reverse The Direction Of Rotation Of 3-Phase Induction Motor. 19 Instrument To Perform No-Load Test And Blocked-Rotor Test On 3-Phase Induction Motor & Draw The Equivalent Circuit From The Two Tests. 20 Instrument To Perform The Load Test On 3-Phase Induction Motor And To Study The Performance Characteristics Of The Motor. 21 Instrument To Control The Speed Of 3-Phase Induction Motor By– ( I ) Frequency Changing Method, 22 Instrument To Control The Speed Of 3-Phase Induction Motor By– ( Ii ) Pole Changing Method. 23 Instrument To Start A 3-Phase Slip-Ring Induction Motor By Rotor Resistance Starter And Determine The Effect Of The Rotor Resistance On The Torque-Speed Curves Of An Induction Motor. 24 Instrument To Observe The Effect Of Excitation And Speed On Induced E.M.F Of A 3-Phase Alternator And Plot The O.C.C. Of The Alternator. 25 Instrument Set Up For Find The Percentage Regulation Of 3-Phase Alternator By Synchronous Impedance Method At Various Power Factor And Load. 26 Instrument Set Up To Synchronise Two 3-Phase Alternator For Parallel Operation By - A ) Three Lamp Method, B ) Synchroscope& To Study The Sharing Of Load Between The Alternators 27 Instrument To List And Explain Various Starting Methods Of 3-Phase Synchronous Motor And Applying Any One Of Them To Start The Synchronous Motor. Plot V-Curve & Inverted V-Curve Of The Same Motor. 28 Instrument To Study The Effect Of Capacitor On The Starting And Running Condition Of A Single-Phase Induction Motor, And To Determine The Method Of Reversing The Direction Of Rotation. 29 D.O.L. Starter 30 Instrument A ) To Measure Resistance, Voltage, Current, In A.C & D. C. Circuit Using Digital Multimeter. B ) To Measure A.C. Current By Clip-On Ammeter 31 Instrument To Measure Low Resistance By Kelvin’S Double Bridge. 32 Instrument To Measure Active And Reactive Power In Three Phase Balanced Load By Two Wattmeter Method And Observe The Effect Of Power Factor Variation On Wattmeter Reading. 33 Instrument To Calibrate Single Phase Energy Meter Using Resistive And Inductive Loads. 34 Instrument To Measure Energy Of Three Phase Balanced Load Using Electronic Energy Meter. 35 Instrument For Measurement Of Inductance By Maxwell’S Bridge. 36 Instrument To Measure An Unknown Capacitance By Schering Bridge. 37 Instrument To Measure Power Factor Of Single Phase And Three Phase Load By Pf Meter And Verify The Same Through I, V And P Measurement. 38 Instrument To Measure Current & Voltages By Low Range Ammeter & Voltmeter Respectively Using Ct And Pt 39 Instrument To Measure Linear Displacement By Lvdt & Plot Characteristics 40 Instrument To Measure Displacement By Strain Gauge & Plot Characteristics. 41 Instrument To Measure Temperature By Pt-100, Thermistor And Thermocouple Along With Simple Resistance Bridge. 42 Instrument To Plot Characteristics Of Potentiometer And Observe The Loading Effect On Output Of Potentiometer. 43 Instrument To Study The Following Signal Conditioning Circuits And Observe And Plot The Output ( I ) V To I Converter, ( Ii ) I To V Converter, ( Iii ) V To F Converter Using Op-Amp 741. 44 Instrument To Measure Angular Speed By Contact Type, Non- Contact Type Tachometer, Digital Tachometer, Proximity Sensor. 45 Instrument To Plot Frequency Response Of Active Filters ( Any Two ) :- I ) Low Pass Filter Ii ) High Pass Filter Iii ) Band Pass Filter Iv ) Band Stop Filters. 46 Instrument To Study The Principle Of Operation And Connection Of Pilot Devices Like – Push Button Switch, Limit Switch, Selector Switch, Pressure Switch, Float Switch. 47 Instrument To Measure Voltage, Current And Phase Difference And Frequency Using Cro. 48 Instrument To Study Open Loop Control Of Any Physical Control System And Study Of Closed Loop Control Of The Same System Using P, Pi And Pid Controller. 49 Instrument To Study The Position Control System Using Servomotor. 50 Instrument To Study The Operation Of An Instrumentation Amplifier Using Opamp. 51 Instrument To Demonstrate The Improvement Of P.F. Using Static Condenser. 52 Instrument To Demonstrate Various System Faults By D.C. Network Analyzer. 53 Instrument To Study Active And Reactive Power Flow Through Transmission Lines. 54 Instrument To Study Different Kinds Of Insulators ( Insulators Are Required To Be Available In Laboratory ) 55 Instrument To Study Pilc, Pvc, Frls And Xlpe Cables. ( Cables Are Required To Be Available In Laboratory ) 56 D.C. Power Supply, -I / P-440V, 3 Phase. O / P-220V, 50A. 57 Instrument Set Up For Demonstrate Hrc Fuse, Mcb & Elcb 58 Instrument To Identify The Components Of Circuit Breaker 59 Instrument To Plot The Inverse Characteristics Of Induction Type / Micrprocessor Based – ( I ) O / C Relay, ( Ii ) E / F Relay Using Relay Testing Kit. 60 Instrument For Differential Protection Of Transformer Using Transformer Differential Relay 61 Instrument To Fabricate An Op-Amp Integrator, Determine Its Amplitude, Phase Relation With Input, Duration Of Output Pulse Compared To Input For A Square Wave Input. 62 Instrument To Fabricate An Op-Amp Differentiator, Determine Its Amplitude, Phase Relation With Input Duration Of Output Pulse Compared To Input For A Triangular Input 63 Instrument To Identify The Terminals Of Thyristor And Plot V-I Characteristics Of Thyristor. 64 Instrument To Fabricate With Ic-555 - ( A ) Astable Multivibrator & To Determine Duration Of High Pulse, Low Pulse And Duty Cycle. ( B ) Monostable Multivibrator & To Determine The Duration Of High And Low Pulses Triggered Condition With Different R-C Values. ( C ) A Pulse Width Modulation Circuit To Observe The Variation Of Duration Of High Pulse With The Various Values Of Control Voltage At Control Input Terminal Of Ic-555. 65 Instrument To Study Fully Controlled Full Wave Rectifier Using Scr. 66 Instrument To Study Dc Chopper Circuit Using Scr. 67 Instrument To Study Series Inverter Using Scr. 68 Instrument To Perform Speed Control Of Dc Series Motor Using Scr. 69 Instrument Set Up To Study The Operation And Circuit Diagram Of Uninterrupted Power Supply Unit. 70 8051Microcontroller Kit 71 Instrument To Determine Illumination Of A Surface 72 Instrument To Determine Candle Power 73 Instrument To Verify The Inverse Square Law 74 Instrument To Study Of Sodium Vapour Lamp, Mercury Vapour Lamp, Cfl 75 Instrument To Study Electric Arc Welding 76 Lux Meter
