Advance Electronic Industries

• Optimum functionality
• Easy to use and maintain
• Compact design

• Completely self-contained stand-alone unit.
• Demonstrates the v-i characteristics of an igbt.
• Built-in two dc regulated variable power supplies of:
• 0-15v /1a.
• 0-15 /100 ma
• Mains on / off switch with led indicator for supply “on”.
• Multicoloured sturdy 4mm test points are provided at various stages in the circuit to observe the waveforms,
• Voltages and for necessary inter connections.
• Provision for connecting external voltmeter/current meter as per requirement.
• Housed in an elegant ergonomically designed powder coated metal cabinet with a well spread intelligently
• Designed circuit layout on the front panel.
• Working on 230v, 50hz 1f ac mains.

• Sturdy construction
• Longer serving life
• Optimum functionality

• Two-isolated gate signals for Full Bridge Converter.
• Firing angle variable from 1800 to 00.
• Gated carrier source at 4 KHz.
• Soft start circuit is built-in.
• Housed in a sleek cabinet.
• Test points are provided on the front panel for detailed study of circuit signals by the student.
• Necessary test points are terminated at sockets so that the student can monitor /measure /study the
• Signals using CRO, DVM, etc.
• One Potentiometer to vary the firing angle.
• One ON/OFF switch with indicator provided to power the control circuitry so that the students can monitor
• All the test points of the control circuitry for correct functioning.
• Power Supply:
• Input: 230V 10%, 50Hz single phase AC.
• 15V DC @ 0.5A regulated output for the control circuitry.

• Two nos of SCR’s rated for 1200 volts-VAK & 25 Amps IA.
• Two diode for free wheeling.
• Each device is provided with.
• RC Snubber for dv / dt protection.
• Fuses to avoid overload.
• All the G, A, K & MT terminals are terminated on connectors to use patch cords.

• One fixed Resistive load ( Lamp Load ).
• One fixed Inductive load.
• All points are terminated at the front panel for wiring for each experiment.

• Input: 230v, 50hz ac 1φ.
• Output: variable dc (0-12v) chopped output.
• Circuitry: square wave generator, square to triangle wave generator, comparator, isolation & driver circuit.
• Power Circuit: using power transistor.

• 12v / 1. 5 a dc motor (l load)
• 12v / 2a lamp load (r load)

• Mains on / off.
• Frequency adj.
• Speed control adj.

• Mains on.

• Input: 230V, 50Hz A.C.
• Output: Variable AC (0 to 230V)
• Output Frequency: Approx. 10Hz to 50 Hz.
• Circuitry: PWM based circuitry frequency control.
• Power Circuit: Using either MOSFET/IGBT.
• V/F Ratio: Constant.
• Load: 1HP1φ AC motor with Speed Measurement coupled to it & loading arrangement.

• Frequency Control.
• FWD/STOP Switch.
• REV/STOP Switch.

• Mains ON.
• Multifunction LED.

• 8 pin socket for connecting motor & tacho.
• 3 pin socket for CRO.

• 3 ½ digit to indicate AC voltage.
• 3 ½ digit to indicate speed in RPM.

• Study the PWM firing circuit of an AC drive.
• Speed control of AC motor.

• Optimum performance
• Low maintenance
• Overload protection

• Principle : Conversion of a Fixed DC to Variable DC Voltage.
• Type of Chopper : Step Up Chopper.
• D. C. Source : 12V/10A (Not provided by us)
• Trigger Circuit : VCO and Comparator based Transistorised Firing Circuit.
• Output Voltage : Variable Upto 220V DC.
• Duty Cycle : Variable Upto 75%.
• Load : 100W Lamp.
• Controls : 1] Mains ON / OFF.
• Duty Cycle Adjust.
• Test Points : Multicoloured Test Points are provided at various stages in the circuit to
• Observe the waveforms and voltages.
• Indicator : Mains ON / OFF.
• Experiments : 1] Study of Transistorised Step Up Chopper Circuit.
• Observe the output voltage with Lamp Load.
• Observe the effect of Duty Cycle Variation on Load.
• Standard Accessories : Detailed Instruction Manual.

• Easy to operate
• Longer serving life
• Robust construction

• Completely self contained stand-alone unit.
• Demonstrates the principle and working of different rectifier circuits such as half wave, full wave, and bridge and effect of different filter circuits on its output.
• Supply required 230v, 50hz ac.
• Built-in step down centre tapped transformer.
• Built-in bank of rectifying diodes, capacitors, resistors and coils.
• Demonstrates the different characteristics of various rectifying circuits with and without filters.
• Determination of ripple factor for all filters circuits.
• Multi-coloured test points at various stages in the circuit to observe the waveforms and voltages.
• Set of patch cords.
• Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive instruction manual complete with theory and operation details.
• Different filter circuits like capacitors filter, inductance filter, l section filter and pi filter.

• Overload protection
• High performance
• Low maintenance

• Completely self - contained stand - alone unit.
• Demonstrates the principle and working of 3 φ Half Wave Controlled Rectifier using SCR.
• Trigger circuit separate for each phase.
• Trigger circuit using Ramp Comparator Scheme.
• Step down 3 φ AC supply 110V star connected is provided so that phase control can be observed on lamp.
• Resistive ( lamp ) and RL load is provided.
• Firing angle can be controlled from about 300 to 1700.
• Firing angle potentiometer is provided.
• 3 φ Bridge consisting of 3 SCR’s and 3 diodes.
• Supply required 3 φ 440V, 50Hz AC.
• Test points at various stages in the circuit, to observe the voltages and waveforms.
• Set of patch cords provided.
• Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive manual complete with theory and operating details.

• To study the nature and generation of Control Signal for 3 φ Halfwave Controlled Rectifier.
• To study the operation of a 3 φ Halfwave Controlled Bridge Rectifier with R Load.
• To study the operation of a 3 φ Halfwave Controlled Bridge Rectifier with R - L Load.
• To study the effect of Free Wheeling Diode on the output waveform.

SALIENT FEATURES :

Completely self - contained stand - alone unit.

Demonstrates the principle and working of AC Phase Control using SCR by Four different methods of SCR triggering.

Supply required 230V, 50 Hz AC.

The four different methods of SCR triggering are :

→ Resistance ( R ) Trigger Circuit.

→ RC Trigger Circuit.

→ UJT Trigger Circuit ( Resistance Controlled Ramp ).

→ 555 Trigger Circuit.

Effect of Phase Control can be observed on load.

Panel Size : 410mm x 320 mm

Test points at various stages in the circuit, to observe the voltages and waveforms.

Set of required number of Patch Cords provided.

Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

Strongly supported by a comprehensive manual complete with theory and operating details.

SALIENT FEATURES:

ü         Completely self - contained stand - alone unit.

ü         Demonstrates the principle and working of AC Phase Control using Triac by three different methods of Triac triggering.

ü         Supply required 230V, 50 Hz AC.

ü         The five different methods of TRIAC triggering are :

            F        Resistance ( R ) Trigger Circuit.

            F        Diac Trigger Circuit.

            F        UJT and Pulse Transformer, Trigger Circuit.

ü         Effect of phase control can be observed on load ( lamp ).

P         Panel Size : 410mm x 320 mm

ü         Test points at various stages in the circuit, to observe the voltages and waveforms.

ü         Set of required number of Patch Cords provided.

ü         Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

SALIENT FEATURES:

ü         Completely self - contained stand - alone unit.

ü         Demonstrates the principle and working of firing circuit using Ramp Comparator:

ü         Supply required 230V, 50 Hz AC.

ü         Triggering circuit using ZCD, Ramp Generator, Comparator, Logic Circuits and Pulse amplifier.

ü         Comparison with a reference pot.

ü         Effect of phase control on Lamp.

ü         Test points at various stages in the circuit, to observe the voltages and waveforms.

ü         Set of required number of Patch Cords provided.

ü         Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

ü         Strongly supported by a comprehensive manual complete with theory and operating details.

SALIENT FEATURES:

ü         Completely self - contained stand - alone unit.

ü         Demonstrates the principle and working of firing circuit for Anti – Parallel SCR

ü         Supply required 230V, 50 Hz AC.

ü         Triggering circuit using ZCD, Ramp Generator, Comparator, Logic Circuits and Pulse amplifier.

ü         Comparison with a reference pot.

ü         Effect of phase control on Lamp.

ü         Test points at various stages in the circuit, to observe the voltages and waveforms.

ü         Set of required number of Patch Cords provided.

ü         Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

ü         Strongly supported by a comprehensive manual complete with theory and operating details.

• High functionality
• Durable construction
• Longer serving life    

• It is an experimental kit for converting ac input voltage into variable ac output voltage with the change in output frequency.
• Line synchronized firing angle circuit.
• Soft start.
• Output frequency can be 1/3rd or ½ of the input frequency.
• Availability of test points at strategic locations for observations of respective waveforms on cro.
• Variable frequency / variable output voltage.
• Over current / dv / dt protection.

• Input: 3φ 440v, 50 hz
• Output: ac 100 to 200v
• Frequency: selectable
• 1/2 finput
• 1/3 finput
• 1/4 finput

• Compact design
• Robust construction
• Longer serving life

• Input: 230V, 50Hz AC rectified to 300V DC.
• Output: 230V AC.
• Output Frequency: Variable from 30 Hz-100Hz.
• Circuitry: It consists of 230V 1φ rectified with filter, PWM generation circuit power
• Circuit using 4 IGBT’s and over curcuit & PWM generation circuit.
• Power Circuit: Using 4 IGBT’s

• Resistive (Lamp Load).
• Inductive (Inductor Load).

• High performance
• Minimum maintenance
• Robust construction

• Input : 230V, 50Hz A. C. 1φ.
• Output : Variable AC.
• Circuitry : Discrete trigger circuit consisting of ZCD (Zero Crossing Detector), Ramp
• generator, Camparator and Pulse generator.
• Power Circuit : Using SCR’s of 600 V/ 4 A rating.
• Load : The following loads are built-in
• Resistive (Lamp load)
• 0.5 HP / 1φ, AC Motor.
• Controls : Potentiometer for firing angle Control.
• Experiments : 1. To study the nature and generation of Thyristor Control Signal.
• 1φ Full wave AC phase control with Resistive (lamp) load.
• 1φ Full wave AC controller for 05 HP Induction Motor.

• Easy operations
• Robust construction
• Compact design

• User-friendly operation
• Compact design
• Longer serving life

• Principle : Conversion of a Fixed DC to Variable DC Voltage.
• Type of Chopper : Jones Chopper.
• D.C. Source : 24V DC (Unregulated).
• Trigger Circuit : 1. UJT Trigger Circuit with variable trigger frequency to trigger the Main SCR.
• UJT Trigger Circuit with variable trigger frequency to trigger the Auxiliary SCR.
• Commutation : Class “D” Type.
• Output Voltage : 5V to 20V approximately (variable).
• Output Frequency : 30V to 100Hz approximately.
• Duty Cycle : 20 to 70% at 50Hz approximately.
• Controls : 1] Mains ON / OFF.
• Frequency Control.
• ON Time Control.
• Test Points : Multicoloured Test Points are provided at various stages in the circuit to observe the waveforms and voltages.
• Indicator : Mains ON / OFF.
• Experiments : 1] Study of SCR Trigger Circuit for a Jones Chopper.
• Observe the output voltage with Motor Load.
• Observe the effect of ON Time Control on Output.
• Standard Accessories : Detailed Instruction Manual.

• Easy to operate
• Compact design
• Longer serving life

• Principle: Conversion of a Fixed DC to Variable DC Voltage.
• Type of Chopper: Morgan’s Chopper.
• D. C. Source: 24V DC (Unregulated).
• Trigger Circuit: UJT Trigger Circuit with variable trigger frequency to trigger the SCR.
• Commutation: Class “B” Type.
• Output Voltage: 5V to 20V approximately (variable).
• Controls: 1. Mains ON / OFF.
• Frequency Control.
• Load Control.
• Test Points: Multicoloured Test Points are provided at various stages in the circuit to observe the waveforms and voltages.
• Indicator: Mains ON / OFF.
• Experiments: 1. Study of SCR Trigger Circuit for a Morgan’s Chopper.
• Observe the output voltage with Motor Load.
• Observe the effect of Load Control on Output.
• Standard Accessories: Detailed Instruction Manual.

• Easy to use
• Compact design
• Longer serving life

• Completely self - contained stand - alone unit.
• Demonstrates the principle and working of Full Wave Mid - Point Converter with ‘R’ Load.
• Supply required 230V, 50Hz AC.
• Triggering circuit using UJT and Pulse transformer.
• Effect of phase control can be observed the firing circuit of Full wave mid point converter with ‘R’ load.
• Test points at various stages in the circuit, to observe the voltages and waveforms.
• Set of patch cords provided.
• Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive manual complete with theory and operating details.

SALIENT FEATURES:

 Completely self - contained stand - alone unit.

 Demonstrates the principle and working of firing circuit using :

            F        Op - Amp.

            F        Digital Gates.

 Supply required 230V, 50 Hz AC.

 Triggering circuit using ZCD, Integrator, Level Shifter, Comparator, Logic Circuits and Pulse amplifier.

 Comparison with a reference pot.

 Effect of phase control on Lamp.

  Test points at various stages in the circuit, to observe the voltages and waveforms.

 Set of required number of Patch Cords provided.

 Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

 Strongly supported by a comprehensive manual complete with theory and operating details.

SALIENT FEATURES :

* Completely self – contained stand – alone unit.

* Demonstrates the principle and working of an INVERTER EXPERIMENTALTRAINER

* Supply required 230V, 50Hz AC.

* Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”.

* Set of patch cords.

* Test points are provided at various stages in the circuit to observe the waveforms and voltages.

* Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.

* Strongly supported by a comprehensive instruction manual completely with theory and operation details.

• User-friendly operation
• Optimum performance
• Minimum maintenance

• It is an experimental kit for converting AC input voltage into variable AC output Voltage with the change in output frequency.
• Line Synchronized Firing angle circuit.
• Soft start.
• Output frequency can be 1/3rd or ½ of the input frequency.
• Availability of test points at strategic locations for observations of respective waveforms on CRO.
• Variable frequency / Variable output voltage.
• Over current / dv / dt protection.

• Input: 1φ 230V, 50 Hz
• Output: AC 100 to 200V
• Frequency: Selectable
• 1/2 Finput
• 1/3 Finput
• 1/4 Finput

• Compact design
• High performance
• Energy efficiency

• Completely self - contained stand - alone unit.
• Demonstrates the principle and working of 1φ Full Wave Controlled Rectifier using SCR.
• Supply required 230V, 50Hz AC.
• Triggering circuit using UJT and Pulse transformer.
• Effect of phase control can be observed on R ( Lamp ) and R - L ( Motor ) load.
• Test points at various stages in the circuit, to observe the voltages and waveforms.
• Set of patch cords provided.
• Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive manual complete with theory and operating details.

• Overload protected
• Compact design
• Easy to operate

• Completely self - contained stand - alone unit.
• Demonstrates the principle and working of 3 φ Half Wave Controlled Bridge Rectifier using SCR.
• Trigger circuit separate for each phase.
• Trigger circuit using Ramp Comparator Scheme.
• Step down 3 φ AC supply 110V star connected is provided so that phase control can be observed on lamp.
• Resistive ( lamp ) and RL load is provided.
• Firing angle can be controlled from about 300 to 1700.
• Firing angle potentiometer is provided.
• 3 φ Bridge consisting of 6 SCR’s.
• Supply required 3 φ 440V, 50Hz AC.
• Test points at various stages in the circuit, to observe the voltages and waveforms.
• Set of patch cords provided.
• Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive manual complete with theory and operating details.

• To study the nature and generation of Control Signal for 3 φ Fullwave Controlled Rectifier.
• To study the operation of a 3 φ Fullwave Controlled Bridge Rectifier with R Load.
• To study the operation of a 3 φ Fullwave Controlled Bridge Rectifier with R - L Load.
• To study the effect of Free Wheeling Diode on the output waveform.