Ic Trainer kit Details.

Input : 230V 10% 50 Hz AC
Power Supply : 5V, 2A, 12V; 500mA
Pulse Generator : 1Hz to 10 KHz
Pulse : Pulse switches for providingLogic H/L Pulse
Display : 7 segment BCD 2 digit decoder.
10 logic input switches for provided H/L Signal
10 logic status indicating LED’S

MAXIMUM POWER TRANSFER THEOREM

LVDT

 

• –        LVDT range ± 10 mm
• –        Screw Gauge to move the core in LVDT
• –        AC Signal Source, Phase Sensitive Detector and Instrumentation amplifiers
• –        31/2 digit display to view displacement
• –        Test points to measure the signals
• –        Built in Power Supplies and wooden closed cabinet

IV Semester – ECE and EEE
                                                                                      Analog and Digital Electronics Lab       

1,2.  Op- amp Trainer Kit                                                                          

• –        To carry out the Inverting amplifier, Non-inverting amplifier,    Summing amplifier and Difference amplifier experiments
• –        Provision to connect resistances
• –        Built in Two variable voltage sources and Power supply for Op-amp
• –        Wooden closed cabinet

 3.  Integrator and Differentiator using Op- amp                                   

• –        To carry out the Differentiator and Integrator experiments
• –        Provision to connect resistances and capacitances
• –        Built in Power supply for Op-amp, square wave and triangular wave signal inputs
• –        Wooden closed cabinet

4.  IC 555 Trainer Kit                                                                               

• –        To carryout Schemitt Trigger, Astable Multivibrator and
•       Monostable Multivibrator experiments using IC 555
• –        Provision to connect resistances and capacitances
• –        Built in Power Supply and wooden closed cabinet

5.  Voltage Regulator IC Trainer Kit                                                    

• –        To study and carry out load test on Fixed +ve Voltage Regulator circuit
• –        To study and carry out load test on Fixed -ve Voltage Regulator circuit
• –        To study variable voltage regulator circuit using IC LM 317 and test it
• –        Built in Power Supply and wooden closed cabinet

6.  Verification of Truth tables of Basic Gates                                                

• –        To carryout experiments to verify the truth tables of
•        2 input OR gate, 2 input AND gate, NOT gate,
•        2 input NOR gate, 2 input NAND gate and 2 input Ex-OR gate
• –        Clock source, input switches, LED outputs
• –        Built in Power Supply and wooden closed cabinet

7,8. Realization of basic logic gates using NAND and NOR gates and   Verification of De Morgan’s Theorem

• –        To wire the OR gate, AND gate and NOT gate circuits using universal gates
•       NAND gate and NOR gate
• –        To wire the circuit to verify the De Morgan’s Theorem
• –        Built in Power Supply and wooden closed cabinet

9.  Half adder, Full adder and 4 Bit full adder                                             

• –        To wire single bit half adder and single bit full adder and test it
• –        To wire 4 bit full adder using logic circuits and test it
• –        Digital inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

10.  Half Subtractor, Full Subtractor and 4 Bit full Subtractor                              

• –        To wire single bit half subtractor and single bit full subtractor and test it
• –        To wire 4 bit full subtractor using logic circuits and test it
• –        Digital inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

 11.  Decoder and Encoder Trainer Kit                                                          

• –        2 to 4 decoder using logic gates, 4 to 2 encoder using logic gates
• –        BCD to Seven Segment Decoder using IC 7447
• –        8 to 3 Priority Encoder using IC 74148
• –        Necessary signal inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

12. Multiplexer and Demultiplexer Trainer Kit                                            

• –        2 to 1 multiplexer using logic gates, 1 to 2 demultiplexer using logic gates
• –        8 to 1 Multiplexer using IC 74151
• –        1 to 8 Demultiplexer using IC 74138
• –        Necessary signal inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

13.  Parity Generator / Reader Trainer Kit                                                       

• –        Parity generator and reader using logic gates
• –        Parity generator and reader using IC
• –        Signal inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

14.  Verification of Truth tables of Flip-Flops                                    

• –        Wiring RS F/F, D F/F, JK F/F and T F/F
• –        Verifying the truth table of the flip flops
• –        Necessary signal inputs and LED outputs
• –        Built in Power Supply and wooden closed cabinet

15a.  4 bit ripple counter using Flip-Flops with feedback                           

• –        4 bit Asynchronous counter using 4 nos. of  Flip-Flops
• –        Feedback circuit to design modulo-n counter
• –        Clock and reset signals and LED outputs
• –        Built in Power Supply and wooden closed cabinet

 15b.  4 bit shift register using Flip-flops                                                     

• –        4 bit shift register using 4 nos. of Flip-Flops
• –        Serial in parallel out
• –        Parallel in Parallel out
• –        Left shift and right shift
• –        Clock signal and LED outputs
• –        Built in Power Supply and wooden closed cabinet

 16.  Construction and testing of Single digit counter, Latch and   Seven Segment Display

• –        IC 7490 Asynchronous Decade Counter
• –        Provision to wire modulus n counter
• –        IC 7475, 4 bit Latch, IC 7447, BCD to Seven Segment Decoder
• –        Seven Segment Display, Test points to test the wave forms
• –        Built in Power Supply and wooden closed cabinet

 17.  Serial data generator and reader                                                       

• –        setting 8 bit data using DIP Switches
• –        Parallel to Serial shift register using IC 74165
• –        Serial to parallel data reader using IC 74164 with LED output
• –        Serial shift clock
• –        Built in Power Supply and wooden closed cabinet

 18.  Digital to Analog converter using discrete circuits                              

• –        4 bit D/A Converter using R-2R Network
• –        4 bit D/A Converter using Weighted Binary Resistor Network
• –        Provision to give digital inputs, Buffer at the output
• –        Built in Power Supplies and wooden closed cabinet

19.  Analog to Digital Converter Kit

• –        8 bit ADC 0808
• –        Conversion clock and provision to set positive reference voltage
• –        LM 35 Thermistor input with amplifier as one analog input
• –        Variable voltage as another analog input
• –        Provision to connect appropriate control signals
• –        LEDs to view the 8 bit digital output
• –        Built in Power Supplies and wooden closed cabinet

20.  Digital to Analog Converter Kit

• –        8 bit DAC 0808
• –        Reference input current provision
• –        Output current to voltage converter at the output
• –        Provision to give digital inputs

                       IV Semester – ECE   Industrial Electronics and Communication Engineering Lab
                                                        A.  Industrial Electronics Lab

 1.  Phase Control Characteristics of SCR                               

• –        Resistance control circuit
• –        Resistance and Capacitance control circuit
• –        Line Synchronized UJT Relaxation Oscillator control with AC load
• –        Built in Power supplies and wooden closed cabinet

2.   SCR Commutation Circuits                                                            

• –        Natural Commutation – 24V AC Power Supply, DC Triggering
• –        Current commutation – 24V DC Power Supply, Pulse Triggering, RLC Components
• –        Complementary Commutation – Main SCR and Auxiliary SCR, 2 nos. of DC Triggering
• –        Resonant Commutation – 24V DC Power Supply, Pulse Triggering, Discharge circuit to facilitate to trigger again
• –        Voltage Commutation – 2 nos. of SCRs as on and off switches, Provision to charge the capacitance which will be used for voltage commutation
• –        Built in Power supplies and wooden closed cabinet

3.  Basic Series Inverter Circuit                                                         

• –        Series Inverter using 2 SCRs, 2 Capacitances, 2 inductances and Load resistance
• –        Variable frequency generator
• –        Triggering circuit for 2 SCRs with Pulse Transformers
• –        24V, 2A DC Power Supply for the series inverter
• –        Necessary DC Power Supplies for the Control Circuit
• –        Variable Frequency Generator
• –        Provision to change the values of capacitances
• –        Built in Power supplies and wooden closed cabinet

 4.  Single phase Parallel inverter using MOSFET                                

• –        Single Pulse 50 cycles generation
• –        Monostable Time delay circuit both half cycle
• –        Parallel Inverter configuration
• –        24V AC output, Lamp Load
• –        Built in Power supplies and wooden closed cabinet

 5.  PWM based Step Down Chopper using MOSFET                              

• –        Square Wave Generator
• –        Integrator to generate the Ramp
• –        Comparator with DC Voltage as one input
• –        MOSFET Switch to switch on the Load
• –        Small DC Motor as Load
• –        Built in Power supplies and wooden closed cabinet

 6a.  Single Phase Single Pulse Inverter using MOSFET/IGBT                      

•       –     Single Pulse 50 cycles generation
• –        Variable duty cycle generation on both half cycles
• –        H Bridge Power Circuit using 4 nos. of  MOSFETs
• –        4 nos. of Individual Power Supply for Gate Trigger Circuit
• –        230V AC output, Lamp Load
• –        Built in Power supplies and wooden closed cabinet 

6b.  Multipulse Sinusoidal PWM Inverter using MOSFET/IGBT              

• –        Carrier wave generation 8 KHz (variable)
• –        Modulation signal 1 KHz
• –        PWM Generation according to the Sine Wave
• –        Modulation index, Driver Circuit
• –        4 nos. of Individual Power Supply for Gate Trigger Circuit
• –        H Bridge Power Circuit using IGBT
• –        24V AC output variable frequency output in resistive load
• –        Built in Power supplies and wooden closed cabinet

7.  IC based Buck Converter using PWM                                                

• –        Buck Converter Circuit with MOSFET used as switch
• –        Without feedback and with feedback
• –        PWM Generation using IC SG 3524
• –        Provision to vary the input voltage and to carryout the load test
• –        Built in Power supplies and wooden closed cabinet

8,9.  Allen Bradley Micrologix 1000 series Trainer Kit                                             

• –        1761 – L10BWB model, 10 point controller
• –        24V DC operated, built-in power supply, additional 5V, 1A Power Supply
• –        6 digital inputs and 4 digital outputs with LED indications
• –        4 NO contacts of the relays connected at outputs of the PLC and a buzzer
• –        Professional RS LOGIX 500,10 point controller programming software
• –        Termination of inputs and outputs and casing with cover and detailed manual
• –        To write Simple Ladder logic and test using digital inputs and outputs
• –        To write Simple Ladder logic and test using timer, counter, branching and subroutines

10.  Lift working model                                                                     

• –        3 floors (Ground plus two floors) model
• –        Floor request switches and Floor sensing switches – 6 inputs to PLC
• –        Cabin – stepper motor with controller with forward and reverse control
• –        Proper termination to wire inputs and outputs to PLC

11.  Conveyor working model                                                                    

• –        Sloped conveyor with shawl sheet metal model
• –        Proximity sensor to sense the shawl – input to PLC
• –        Start, Stop Push switches and FWD / REV toggle switch, Buzzer output to give alarm
• –        Conveyor belt with Motor drive

12.  Water Level control                                                                                

• –        Level sensors output as input to the PLC
• –        Water tap as input to the PLC
• –        Water Pump motor control using outputs of the PLC
• –        Water Tank with sump and Overhead tank model
• –        3 Levels sensor switches and 12 V Pump
• –        24 V Solenoid valve to drain water, 12 V and 24V Power Supply
• –        Foot valve arrangement to take the water from the sump

                                                  B.  Communication Engineering Experiments

 3.   Amplitude Modulation and Demodulation Trainer Kit                           

• –        Carrier generation (100 KHz to 1 MHz)
• –        Audio Signal generation – 20 Hz to 20 KHz
• –        Amplitude Modulation at different modulation index
• –        Diode Detector for demodulation
• –        Built in Power Supplies and wooden closed cabinet

 4.  AM Super Hetrodyne Radio Receiver Trainer Kit                                  

• –        RF stage and Mixer stages
• –        IF amplifier, AGC and Diode detector
• –        Complementary Audio amplifier
• –        Test points to check voltages and waveforms at different stages 

5.  FM Modulator and Demodulator Kit                         

• –        Modulating (Audio) signal Generator
• –        FM Modulation using XR 2206
• –        FM Demodulation using NE 565 PLL
• –        Low Pass Filter to reconstruct the signal
• –        Built in Power Supplies and wooden closed cabinet

 7.  Study of PLL using 565        

                         

• –        Center Frequency using R and C
• –        VCO Operation
• –        Tracking range and Capturing range experiment
• –        Variable frequency source to test the PLL
• –        Built in Power Supplies and wooden closed cabinet

 8.  PAM Generation and Detection Kit                                                       

• –        Audio Oscillator 1 KHz and 2 KHz
• –        Sampling Pulse generator 4KHz, 8Khz, 16KHz, 32Khz and 64Khz
• –        Dual and Single Polarity sampling output
• –        Reconstruction of signal using Low Pass Filter and AC Amplifier
• –        Built in Power Supplies and wooden closed cabinet

9.  PWM Generation and Detection Kit                                                      

• –        Audio Oscillator for generating modulating signal
• –        Triangle wave generator for carrier signal
• –        Pulse width Modulation Generation
• –        Reconstruction of signal using Low Pass Filter and AC Amplifier
• –        Built in Power Supplies and wooden closed cabinet

10.  PPM Generation and Detection Kit                                                           

• –        Audio Oscillator for generating modulating signal
• –        Trailing edge saw tooth generator for carrier signal
• –        Pulse Position Modulation Generation
• –        Reconstruction of signal using Low Pass Filter and AC Amplifier
• –        Built in Power Supplies and wooden closed cabinet

11.  PCM Trainer Kit                                                                             

•     Transmitter Section
• –        Audio Signal 1 KHz,
• –        8 bit A/D Conversion,
• –        Latch and Parallel to Serial conversion, PCM Signal generation Reception Section
• –        Synchronization Circuit,
• –        Serial to Parallel conversion
• –        Latch and D/A Conversion

 14.  Equalizer and Cross-Over networks                                            

• –        Cross over network for Tweeter, Woofer and Mid range speakers
• –         5 band Equalizer circuit,  Audio frequency source – 20 Hz to 20 KHz
• –         Separate Speakers box

        IV Semester Electrical and Electronics – Electrical Machines and Instrumentation Lab                      

 1.  Resistance Measurement using Wheatstone Bridge                           

• –        Wheat stone Bridge circuit to find the unknown resistance
• –        Provision to balance the bridge using built in decade resistance and standard resistances
• –        Provision to connect externally the galvanometer to check the balancing of bridge
• –        Built in Power Supplies and wooden closed cabinet

 2.  Anderson Bridge to measure the self inductance                    

• –        AC Signal input Source with amplitude control
• –        Provision to balance the bridge using built in decade capacitance and resistance
• –        Detector using differential amplifier and speaker
• –        Built in Power Supplies and wooden closed cabinet

3.  Schering Bridge to measure the capacitance                                      

• –        AC Signal input Source with amplitude control
• –        Provision to balance the bridge using built in decade capacitance and resistance
• –        Detector using differential amplifier and speaker
• –        Built in Power Supplies and wooden closed cabinet

 8.   Displacement measurement using LVDT        

                                      

• –        LVDT range ± 10 mm
• –        Screw Gauge to move the core in LVDT
• –        AC Signal Source, Phase Sensitive Detector and Instrumentation amplifiers
• –        31/2 digit display to view displacement
• –        Test points to measure the signals
• –        Built in Power Supplies and wooden closed cabinet

9.   Weight measurement using  Load Cell                                                 

• –        Strain gauge based Load Cell to measure up to 5 Kg
• –        Measurement of strain using DC Bridge method and Signal Conditioner
• –        Instrumentation amplifiers, 31/2 digit display to view weight
• –        Test points to measure the signals
• –        10 nos. of weight of 100 gms    

                                  V Semester ECE and EEE  –  Microprocessor and Micro controller Lab

  1a.  8051 Micro controller Kit  (LED Version)    (Depending upon no. of students, more no. of kits will be required)                                    

• –        89C52 micro controller, 12 MHz, Built in 8K Flash ROM and 256 bytes internal RAM
• –        8279 based display / keyboard
• –        8 function keys, 16 hex keys and 6 digits seven segment display
• –        3 nos. of 8 bit ports for the user (8255) in the expansion connector
• –        8 bit bar graph LED display, 8 bit DIP switch input
• –        Timer 0 pulse input push switch and Int 0 input push switch
• –        Port 1 pin outs and to use Port 1 using 4 Switches and 4 LEDs
• –        Serial Facility and windows based Software to download Hex file from PC to Kit
• –     8 K RAM and 16K ROM expansion socket
• –     Necessary data lines, address lines and control lines in the expansion connector
• –     Built in Power supply, Casing to keep the kit safe and Detailed manual

 1b.  8051 Micro controller Kit               (Depending on the no. of Students, more no. of Kits are needed)

• –        89C61X2 micro controller, 12 MHz, Built in 64K Flash ROM and 1024 bytes internal RAM
• –        In System Programming facility
• –        8 Toggle switches, 16 LEDs
• –        Timer 0 pulse input push switch and Int 0 input push switch
• –        Program / Serial Port
• –        External 26 pin FRC Connector with P0, P1 and P2 Port – facility to connect interface boards
• –        External 10 pin Connector for P3 Port
• –        Built in Power supply, Casing to keep the kit safe and Detailed manual 

Interface Boards 1.  Digital I/O interface board                                                                   

•       –     8 nos. of high quality toggle switches and 8 nos. of LEDs. Input devices LDR, Reed Relay, Push Button and Opto Interrupter, Output Relay, Opto Coupler, Piezo Buzzer and Speaker

 2.  Matrix Hex Key board and 6 nos. of 7 Segment Display interface            

• –        4 X 4 Matrix 16 Key Keyboard, 6 nos. of Seven Segment Displays

3.  Matrix Hex Key board and 2 line,16 characters LCD interface board      

–        4 X 4 Matrix 16 Key Keyboard, LCD Display of 2 lines and 16 Characters / line

 4.  Traffic Light Controller                                                                      

• –        4 junction Road, 4 set of Red, Green and Yellow LEDs
• –        Pedestrian Crossings bi-colour LEDs, Control switch to control day and night operations

 5.  8 bit ADC and 8 bit DAC Interface (board only)  With External Power Supply                                                                      

• –        Thermistor LM 35 input in one channel, 0-5V variable input in another channel
• –        8 LEDs to see the digital output, Necessary control signals for ADC 0809
• –        Amplifier for measuring the temperature in Binary
• –        One channel DAC output, 8 bit input from the controller, External Power supply needed

      Multiple Power Supply                                                                    

• –        5V, 1A
• –        ± 12V or ± 15V Fixed Power Supply, 200 mA

 6.  Stepper Motor interface board                                                                   

• –        Stepper Motor and Driver Circuit for the Stepper Motor
• –        Switches to give control inputs (direction, speed, step)

7.  DC Motor Interface Board                                                                     

• –        Speed control circuit using PWM technique and Small DC motor
• –        Thumb Wheel Switch for duty cycle input and H Bridge output for driving DC Motor
• –        Control switches to give control inputs (direction and speed)

 8.  Elevator Control                                                                             

• –        Switches for ground + 3 floors
• –        LEDs to indicate at which the Lift stops and movement of the Lift

 9. Lift Control                                                                                   

• –        3 floors (Ground plus two floors) Plastic model, Floor request switches and Floor sensing switches, Cabin – stepper motor with controller with forward and reverse control
• –        Proper termination to wire inputs and outputs

 10.  Printer Interface                                                                                

• –        Small Thermal Matrix Printer, Interface to the Kit
• –        To print characters in the printer through the kit

 11.  Sending serial data through serial Ports between the controller  –  Built in feature of Kit

 12.  IC 8279 Programmable Keyboard / Display Interface board                 

• –        Necessary Signals to interface IC 8279
• –        16 Hex keys and 6 digit seven segment displays

13.  IC 8253 Programmable Timer / Counter Interface board                        

• –        Necessary Signals to interface IC 8253 (3 independent timers)
• –        Clock, Switches, Relay and Speaker

14.  IC 8251 Serial Port Interface                                                                   

• –        Necessary Signals to interface IC 8251
• –        Clock generation, Division of clock, Transceiver

15.  IC 8255 Programmable Peripheral Interface                                            

16.  IC 8259 Programmable Interrupt Controller Interface                            

                                                    V Semester – ECE   VLSI Lab
 1.   Xilinx FPGA Trainer Kit (Depending on the no. of Students, more no. of Kits are needed) 

• –        Xilinx Spartan 3E Family FPGA (250K gates),
• –        JTAG Programming through parallel port
• –        on board PROM to store the program
• –        3 nos. edge sensitive switches, manual clock, on board clock
• –        ISE 9.1i Webpack software for programming either in VHDL or Verilog, Simulate and Synthesis
• –        24 I/O in expansion socket for interfacing external application
• –        Power Supply, Cabinet and detailed user manual and sample programs

 The following interfaces are built in

•  input switches, 16 output LEDs, one 8 bit bi directional I/O with switches and LEDs
• 4nos. of seven segment display interface
• 2 line 16 character LCD Interface
•   4 x 4 Matrix Keyboard Interface                                                                       
•   Experiments that can be carried out – VHDL coding

1. Addition, Subtraction, Multiplication and Division
2. 8 bit digital output using LEDs and 8 bit digital inputs
3. 4 x 4 Matrix Keyboard
4. seven segment display
5. Four bit binary counter
6. LCD display to display a text message
7. Multiplexer and Demultiplexer
8. encoder, Decoder and Shift register

Application boards that can be interfaced with FPGA Trainer Kits

 1.  Traffic Light Controller                                                                    

• –        4 junction Road, 4 set of Red, Green and Yellow LEDs
• –        Pedestrian Crossings bi-colour LEDs
• –        Control switch to control day and night operations

 2.  Stepper Motor interface board                                                      

• –        Stepper Motor and Driver Circuit for the Stepper Motor
• –        Switches to give control inputs (direction, speed, step)
• –        External 5V Power Supply is to be given

3.  Buzzer, Relay and DC Motor Interface Board                                          

• –        PWM Signal generation from FPGA Kit
• –        Speed variation can be observed

V Semester – ECE   Advanced Communication

1.  Video Amplifier Circuit                                                                             

• –        Transistor based circuits
• –        Bandwidth 3 MHz
• –        Built in Power Supplies and wooden closed cabinet

 2.  Sample and Hold Circuit                                                                      

• –        Sine wave input signal generation
• –        4KHz, 8KHz and 16KHz Sampling frequency generation
• –        Sample and Hold Circuit using Analog Switch
• –        Built in Power Supplies and wooden closed cabinet

 3.  ASK Transmitter / Receiver Trainer Kit                                                

• –        Modulating 1 KHz Square wave Signal Generator
• –        Sine wave 100 KHz Carrier Frequency Generator
• –        ASK Modulator using XR 2206
• –        Demodulator using Low Pass Filter
• –        Built in Power Supplies and wooden closed cabinet

 4.  FSK Transmitter / Receiver Trainer Kit                                                 

• –        8 bit serial Data generator using DIP switch
• –        FSK Frequency Generator (2 sine wave Frequencies), FSK Transmitter
• –        FSK Receiver using PLL and low pass filter
• –        Built in Power Supplies and wooden closed cabinet

 5.  PSK Modulation / Demodulation Trainer Kit                                       

• –        Carrier Frequency Generator
• –        Modulating Signal Generator
• –        BPSK  Modulator
• –        BPSK Demodulator
• –        Built in Power Supplies and wooden closed cabinet

 6.  TDM Multiplexing and Demultiplexing Kit                                      

• –        Signal generator (sine, square, triangle, Saw tooth, DC)
• –        TDM Multiplexing circuit
• –        De multiplexing control circuit
• –        Built in Power Supplies and wooden closed cabinet

7.  Analog Transmitter and Receiver Trainer Kit                                      

•      (Signal Sampling and Reconstruction Trainer Kit)
• –        Audio Oscillator to generate signal, Sampling at 32 KHz to 2 KHz in 5 ranges,
• –        In each sampling frequency range at 10% to 80% duty cycle
• –        Reconstruction of signal using 2 different Low Pass Filters,
•       One with single stage filter and another with 2 stage filter
• –     Built in Power Supplies and wooden closed cabinet

 8.  Setting up a Fiber Optic Link (Analog and Digital) 
                         

• –        Digital data pattern input through DIP Switch
• –        Parallel to serial conversion
• –        Serial digital data transmission through fiber
• –        Digital data reception from receiver
• –        Digital data output seen in 8 LEDs
• –        Audio input variable frequency or MIC input
• –        Analog signal transmission through fiber
• –        Analog signal reception from receiver
• –        Speaker output

9.  PWM Generation and Detection Kit                                   

• –        Audio Oscillator for generating modulating signal
• –        Triangle wave generator for carrier signal
• –        Pulse width Modulation Generation
• –        Reconstruction of signal using Low Pass Filter and AC Amplifier
• –        Built in Power Supplies and wooden closed cabinet

                                              V Semester – EEE – Control of Electrical Machines Lab
                     PLC Trainer to be used to carry out the experiments using PLC – (4 or 5 nos. are needed)

 1.  Allen Bradley PLC Trainer Kit                                                    

1. –        1761 – L10BWB model
2. –        Micrologix 1000 series
3. –        6 digital inputs and 4 digital outputs
4. –        External relay based outputs
5. –        +24V and +5V Power supplies
6. –        RS Logix 500 Professional Programming software
7. –        RS Linx Communication software
8. –        RS 232 Communication cable from PLC to system
9. –        Switch inputs and LED indication for simulating the inputs
10. –        LED indication in the outputs
11. –        Buzzer output
12. –        Proper termination of inputs, outputs and power supplies
13. –        Wooden casing and detailed manual

Trainer Kits
1. Thermal overload relay timing characteristics                                     

1. –        one no. 3 phase, 16A Main Contactor
2. –        one no. 2-4.5A Overload relay
3. –        Provision to connect 3 phase load externally
4. –        (The Institute should provide the Load)
5. –        3 phase input, Fuses
6. –        Screen Printed Board, MS tube stands, Acrylic back cover

2.  Working module for wire and test the control for jogging in  3 HP cage motor (without PLC)

1. –        1 no. 3 phase 16 A Contactor, 1 no. of Control relay
2. –        3 Phase input proper termination
3. –        Stop, Start and Jog Push Buttons, Fuses and Power Terminations
4. –        Control wiring termination,  Powder Coated MS Stands, Acrylic back cover

 3a.  Control circuit for automatic Star Delta Starter suitable for 5 HP          

1. –        3 nos. of 440V, 16 A Contactors Main / Star / Delta
2. –        1 no. AC Timer (for automatic operation)
3. –        Start / Stop / Push Button Switches
4. –        Switch for manual delay operation (semi automatic)
5. –        Control wiring termination,  Powder Coated MS Stands, Acrylic back cover

 3b.  Control circuit for Semi automatic Star Delta Starter suitable for 5 HP 

1. –        3 nos. of 440V, 16 A Contactors Main / Star / Delta
2. –        Start / Stop / Push Button Switches
3. –        Switch for manual delay operation (semi automatic)
4. –        Control wiring termination,  Powder Coated MS Stands, Acrylic back cover

4.  Dynamic braking control of AC Motor suitable for 3 HP                     

1. –        One 3 phase, 440V, 16 Amps Main Contactor
2. –        One 230V DC, 12A Contactor for connecting DC Supply
3. –        AC Timer, Rectifier for DC Power Supply, Variac to be connected externally
4. –        On/Off Push Switches

 5.  Two speed Pole changing circuit                                                 

1. –        2 nos. of 3 phase 16A Main Contactors
2. –        3 phase input, Fuses
3. –        Speed 1, Speed 2 and Stop Push Switches
4. –        Provision to connect two different pole 3 phase windings
5. –        Screen Printed Board, MS tube stands, Acrylic back cover

6.  SCR Speed Control of DC Motor (3 HP Motor)                                      

1. –        Single Phase Input
2. –        Rectifier and DC input to field winding
3. –        Phase angle control circuit
4. –        Variable DC Power circuit
5. –        Screen Printed Board, MS tube stands, Acrylic back cover

 7.  Single Phase Preventer without PLC                                               

1. –        1 no. 3 phase 16A Main Contactor
2. –        2 Transformers and 2 relays to deduct the phase failure
3. –        3 switches to test the phase failure
4. –        Proper termination for 3 HP cage motor
5. –        Screen Printed Board, MS tube stands, Acrylic back cover

 8.  PLC based DOL Starter suitable for 3 HP Motor                        

1. –        16A, 3 phase Main Contactor, 6A Overload relay
2. –        Start and Stop Push Buttons, Fuses and Power wiring termination
3. –        Control wiring termination, Powder Coated MS Stands, Acrylic back cover

 9.  PLC based Star Delta Starter suitable for 5 HP Motor

1. –        3 nos. of 16A, 3 phase Contactors, 8A Overload relay
2. –        Start and Stop Push Buttons, Fuses and Power wiring termination           (with overload)
3. –        Control wiring termination, Powder Coated MS Stands, Acrylic back cover

 10.  PLC control circuit for jogging and forward – reverse operation         

1. –        2 nos. of 3 phase 16A Main Contactors
2. –        3 phase input, Fuses
3. –        Stop, Start Fwd, Jog Fwd, Start Rev, Jog Rev Push Switches
4. –        Inputs for PLC, Control from outputs of PLC
5. –        Proper termination for 3 HP cage motor
6. –        Screen Printed Board, MS tube stands, Acrylic back cover

11.  Single Phase Preventer using PLC                                                     

• –        1 no. 3 phase 16A Main Contactor
• –        3 transformers and associated circuits as input to the PLC
• –        PLC output as control output
• –        3 switches to test the phase failure
• –        Proper termination for 3 HP cage motor
• –        Screen Printed Board, MS tube stands, Acrylic back cover

 12.  Rotor Resistance Starter for 3 phase Rotor Resistance Induction Motor

1. –        Start and Stop Switches
2. –        4 nos. of 3 phase 16A Contactors
3. –        3 Timers
4. –        Provision to wire external resistances in the rotor circuit
5. –        Provision to wire control and power wiring
6. –        Screen Printed Board, MS tube stands, Acrylic back cover

1.  Transformer Oil Test Kit                                                                          

• –        Input voltage 230V, Single Phase
• –        Output 0-60KV
• –        Test cup, Transparent hood, interlocking switch
• –        HT On switch starting at zero voltage
• –        Tripping Current: 2.5mm gap – 10/20mA
• –        Sample Transformer Oil

VI Semester  –  EEE    Power Electronics Lab

 1   Line Synchronised UJT Trigger Circuit and         Ramp and Pedestal Trigger Circuit for A.C. Load

• –        Line Synchronization DC Power Supply Circuit
• –        UJT Relaxation Oscillator Circuit
• –        Provision to add DC Pedestal Voltage to the Capacitor in the Circuit
• –        Triggering Circuit for 2 SCRs using Pulse Transformer
• –        24V Lamp AC Load using 2 SCRs

 2.   Single Phase Half and Fully Controlled Bridge                                   

• –        SinglePhaseHalfBridge and FullBridge Power Circuit
• –        Phase angle control circuit using TCA 785
• –        Triggering circuit from the output of TCA 785 using Pulse Transformers
• –        R or RL Load
• –        24V,2A Power Supply for the Power Circuit
• –        Necessary DC Power Supplies for the control circuits

 3.  DIAC– TRIAC Lamp Control Circuit                                                               

• –        Variable AC  Power Circuit using TRIAC
• –        DIAC circuit to trigger the TRIAC in both half cycles
• –        Provision to vary the charging time of capacitor (changing the phase angle also) for the DIAC
• –        Isolation Transformer for 110V AC
• –        Lamp Load

 4.   SCR Commutation Circuits                                                          

• –        Natural Commutation – 24V AC Power Supply, DC Triggering
• –        Current commutation – 24V DC Power Supply, Pulse Triggering, RLC Components
• –        Complementary Commutation – Main SCR and Auxiliary SCR, 2 nos. of DC Triggering
• –        Resonant Commutation – 24V DC Power Supply, Pulse Triggering, Discharge circuit to facilitate to trigger again
• –        Voltage Commutation – 2 nos. of SCRs as on and off switches, Provision to charge the capacitance which will be used for voltage commutation

 5.  Basic Series Inverter Circuit                                                                

• –        Series Inverter using 2 SCRs, 2 Capacitances, 2 inductances and Load resistance
• –        Variable frequency generator
• –        Triggering circuit for 2 SCRs with Pulse Transformers
• –        24V, 2A DC Power Supply for the series inverter
• –        Necessary DC Power Supplies for the Control Circuit
• –        Variable Frequency Generator
• –        Provision to change the values of capacitances 

6.  Single phase Parallel inverter using MOSFET                                        

• –        Single Pulse 50 cycles generation
• –        Monostable Time delay circuit both half cycle
• –        Parallel Inverter configuration
• –        24V AC output
• –        Lamp Load

7.   DC Chopper       

                                                                               

• –        Ramp Generation Circuit
• –        Level Translation Circuit
• –        Comparator Circuit to produce PWM Signal
• –        Monostable circuit for triggering Aux. SCR
• –        Chopper Power Circuit using Main SCR and Aux. SCR with inductance
• –        Triggering circuit for 2 SCRs with Pulse Transformer
• –        Necessary DC Power Supplies

8.   Single Phase to Single Phase Cyclo Converter         
                                          

• –        Cyclo converter with divide by 2 supply frequency and divide by 3 frequency
• –        Power Circuit using Center tapped 24V Transformer and 4 nos. of SCRs and Resistive load
• –        +ve and –ve polarity Zero Crossing Detectors using Opto couplers
• –        Decade counters to generate required control signals
• –        Separate 4 nos. of DC Power Supplies to trigger the SCRs
• –        Triggering circuits to trigger the ate circuits of Power SCRs

9.   Universal Motor Control Circuit with Fractional HP Universal Motor   

• –        Control Scheme for Phase angle control using TCA 785
• –        Triggering Circuit for SCRs / TRIAC
• –        SCR / TRIAC AC Power Circuit with switch and Power Socket
• –        FHP Universal Motor with Plug
• –        Built in Power Supplies                                                 

11.   DC Shunt Motor Control Circuit with 24V PMDC Motor                    

• –        Phase angle control using TCA 785
• –        Control Scheme to vary the phase angle of the HalfBridge
• –     Trigger circuit for SCRs and with Pulse transformers
• –        Half Bridge Power Circuit to drive the PMDC 24V Motor
• –        Small 24V PMDC Motor
• –        Necessary DC Power Supplies

12.  Closed Loop Speed Control of DC Motor          (Motor with Loading arrangement)

1. –        Tachometer to sense the speed
2. –        Speed input from Potentiometer
3. –        Error Amplifier
4. –        Proportional and Integral Control circuits to process error signal
5. –        Triggering circuit for the SCRs in Power Circuit with Pulse transformers
6. –        Power Circuits using Higher current SCRs
7. –        Variable DC output from the power Circuit for Armature winding
8. –        Digital Display of the speed
9. –        SeparateSinglePhaseBridge circuit for Field winding
10. –        FHP DC Motor with Loading arrangement
11. –        230V AC input
12. –        Necessary DC Power Supplies

13.  PWM based Step Down Chopper using MOSFET                                          

1. –        Square Wave Generator
2. –        Integrator to generate the Ramp
3. –        Comparator with DC Voltage as one input
4. –        MOSFET Switch to switch on the Load
5. –        Small DC Motor as Load

14.  Single Phase Single Pulse Inverter using MOSFET/IGBT                  

•  –     Single Pulse 50 cycles generation
• –        Variable duty cycle generation on both half cycles
• –        H Bridge Power Circuit using 4 nos. of  MOSFETs
• –        4 nos. of Individual Power Supply for Gate Trigger Circuit
• –        230V AC output
• –        Lamp Load

15.  Multipulse Sinusoidal PWM Inverter using MOSFET/IGBT                    

1. –        Carrier wave generation 8 KHz (variable)
2. –        Modulation signal 1 KHz
3. –        PWM Generation according to the Sine Wave
4. –        Modulation index
5. –        Driver Circuit
6. –        4 nos. of Individual Power Supply for Gate Trigger Circuit
7. –        H Bridge Power Circuit using IGBT
8. –        24V AC output variable frequency output in resistive load

16.  SMPS Trainer Kit using Flyback Converter                                         

1. –        IC based PWM Controller
2. –        Mains voltage to 12V DC Voltage conversion
3. –        32 KHz Oscillator
4. –        Power MOSFET as switch
5. –        Fly back converter with Isolation transformer
6. –        Output circuit
7. –        Feedback circuit 

17.  3 phase Half Bridge / Full Bridge Converter                                      

1. –        3 Phase Converter Power circuit using 3/6 SCRs for 230V DC
2. –        Output to be used as variable DC voltage for the armature winding
3. –        Separate Field WindingDC Power Circuit
4. –        3 nos. of Control transformers to get synchronization signals
5. –        Zero Crossing detector Circuits
6. –        Comparator Circuits
7. –        Phase angle control circuits using TCA 785
8. –        Triggering circuits with Pulse Transformers
9. –        Isolation Transformer for the Power Circuit
10. –        Necessary DC Power Supplies for the Control Circuits
11. –        High Voltage Oscilloscope Probe

18.    UPS Trainer Kit        

1. –        AC to DC voltage circuit
2. –        Charger Circuit
3. –        Control Circuit
4. –        Inverter Circuit
5. –        Test points to test different stages
6. –        External connection to 12V, 7AH Battery
7. –        Wooden Casing

19.  Inverter Trainer Kit                                                                            

1.   –         Rectifier Circuit
2. –        Charger Circuit
3. –        Inverter Circuit
4. –        External Connection to 12V, 7AH Battery

 

20.      Step up MOSFET based Choppers                                               

1. –        PWM controller based Step up Chopper
2. –        Obtain the gain characteristics ( output voltage Vs input voltage)
3. –        Load characteristics with and without feedback
4. –        Necessary Power Supplies and Wooden box
5. –        of given Boost or step up type MOSFET based Chopper

21.  Open loop speed control of Single Phase AC Motor                             

• –        Carrier wave generation 8 KHz (variable), Modulation signal 1 KHz
• –        PWM Generation according to the Sine Wave, Modulation index
• –        Driver Circuit
• –        4 nos. of Individual Power Supply for Gate Trigger Circuit
• –        H Bridge Power Circuit using IGBT
• –        For FHP 230 V Single Phase AC Motor (Motor is to be provided by the Institute)
• –        20 Hz to 60 Hz frequency variation, accordingly speed control

22.  Single Phase Semi Controlled Bridge with R Load                        

1. –        SinglePhaseHalfBridge Power Circuit
2. –        Phase angle control circuit using TCA 785
3. –        Triggering circuit from the output of TCA 785 using Pulse Transformers
4. –        R or RL Load
5. –        24V,2A Power Supply for the Power Circuit
6. –        Necessary DC Power Supplies for the control circuits

23.  Single Phase Fully Controlled Bridge with R Load                        

1. –        SinglePhaseFullBridge Power Circuit
2. –        Firing Circuit consists of Phase angle control circuit using TCA 785
3. –        Triggering circuit from the output of TCA 785 using Pulse Transformers
4. –        R or RL Load
5. –        24V,2A Power Supply for the Power Circuit
6. –        Necessary DC Power Supplies for the control circuits

24.  Half wave / Full wave controlled Rectifier                                                 

• –        Half wave and Full wave controlled rectifier circuit
• –        Phase angle control potentiometer
• –        Provision to connect R Load

25.  IGBT based Three Phase PWM Inverter                                                 

• –        Compare the lower order harmonics contents of sinusoidal PWM inverter theoretical and experimental values
• –        Show how the output frequency is varied for UPS (50 Hz) and for how the frequency can be varied for getting the variable frequency ac drives applications

Control Circuit consists of

• –        Single phase power supply
• –        3 Phase AC generation
• –        Variable frequency operation
• –        Sinusoidal PWM Generation
• –        V/F operation
• –        Isolated Driver circuits

Power Circuit consists of

• –        6 nos. of Power IGBTs
• –        DC 24V and DC 320 Operations
• –        24V operation to measure the waveforms at resistive load
• –        320V operation for running ½ HP or 1 HP 3 Phase Induction Motor at variable speed
• –        ½ HP 3 Phase Induction Motor