POWER ELECTRONICS LAB

Approx. Rs 17,500 / PieceGet Latest Price

Product BrochureProduct Details:

     This unit provided study  of working conditions of different AC Phase Controlled Converters with different loads. Provision for firing angle variation is made in this unit. All SCR's TRIAC, Diodes are provided with fuse protection and snubber circuit. MCB protection is given in this unit to avoid overload or short circuit while operation. Firing and power circuits are built-in consisting pulse, ramp, comparator, timer, pulse 

List of Experiments:

• To study the Single Phase Half wave & Full wave AC Voltage Controllers working with R, RL and Lamp load.
• Single Phase fully Controlled Ac voltage controller using two SCR's with R<RL and Lamp load.
• Single phase Fully Controlled Ac Voltage using on TRIAC with R,RL Ana Lamp load.
• Single pase Fully Controlled Ac voltage using Two SCR's and two diodes with R,RL and lamp load.
• Single Phase Fully Controlled Ac voltage controller using one SCR with R,RL and Lamp load. 

Accessories:

• Patch chord Set -1
• User  Manual- 1

Approx. Rs 10,000 / PieceGet Latest Price

Product BrochureProduct Details:

     This unit enables to study and understand the basic concepts of the devices used in the field of controlled power electronics and various applications in different areas. As sources of power and devices necessary along with required loads are provided within the unit, just by making external connections with patch cords as per circuit completes the experimental setup. Device ON/OFF status indicating lamp in the unit provided visual identification while doing experiment. All devices except DIAC have been provided with fuse and snubber circuits to avoid accidental damage by overloading or short circuit.

List of Experiments:

• Verification of Characteristics of SCR, TRIAC, DIAC, MOSFET, IGBT
• Measurement of holding and latching currents can be obtained in trainer.

Accessories:  

• patch chord Set-1
• Operating Manual-1

Approx. Rs 10,000 / PieceGet Latest Price

Product BrochureProduct Details:

     This unit gives overall understanding of different methods of firing SCR. AC source, necessary devices along with snubber protection and different firing circuits like pulse, ramp, comparator, timer output and amplified pulse output are inbuilt. By connecting the external load to the unit and completing the circuit with patch cords, experiments can be conducted. To observe the output signal on CRO, BNC connectors are provided on the front panel.

List of Experiments :

1. study of R firing .
2. study of RC Firing.
3. Study of UJT firing. 

Accessories: 

• SCR Firing Circuits unit along with patch cords.
• Operating Manual. 

Approx. Rs 17,500 / PieceGet Latest Price

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     Study of converter output at different angles of firing of SCR and with different loads can be made using this unit. Also one can study the freewheeling effect of diode. Necessary devices along with sources of power, power diodes for bridge and freewheeling provided in this unit. Different stages of firing circuir include pulse, ramp, comparator, timer, pulse amplifier are provided and test points are brought out. Further, field excitation source of 220Volts DC is also inbuilt to excite DC  machines. To observe the output signal on CRO,BNC connectors are provided in the unit.
List of Experiments:

• Study of Single Phase Half Controlled Bridge Converter with Resistance Load.
• Study of Single Phase Half Controlled Bridge Converter with RL Load.
• Study of Single Phase Half Controlled Bridge Converter with Lamp Load. 

Accessories:

• Patch Chord Set
• operating Manual

Approx. Rs 17,500 / PieceGet Latest Price

Product BrochureProduct Details:

       This unit provides study of firing in various types of converters like Single Phase Half Wave, Single Phase Full Wave, Half Control Bridge Converter, Single Phase Fully Controlled Bridge Converter and AC Phase Control Power Circuit. In this unit triggering source, firing angle variation, test points at different stages of firing and other DC source necessary to run DC Motor are provided. The firing circuit, comprises of pulse, ramp, comparator, timer, pulse ampliefier. Hence, it becomes easy and reliable in making external connections while doing experiments. SCR's are protected with fuse and snubber circuit against overload and dv/dt. to observe the output signal on CRO, BNC connections are proivided.

List Of Experiments:

• Firing of SIngle Phase Half WaveConverter.
• Firing of Single Phase Full Wave Converter - 2SCR's
• Firing of Half Controlled Bridge Converter - 2SCR's
• Firing of Single Phase Fully Controlled Bridge Converter - 4SCR's
• Firing of AC Phase Control Power Circuit - 2SCr's.

Accessories:

• User Manual - 1
• patch chords Set -1
• 3 Pin Power Chord -1
• Isolation Transforer-1
• Resistance Load-1
• Inductive Load-1                                      

Approx. Rs 17,500 / PieceGet Latest Price

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This unit facilitates the study of different classes of commutation circuits. DC power source, SCR’s Diodes, Snubber Protection Circuits are built in to avoid wrong connections and to minimize external wiring. The power and firing circuits, comprising pulse, ramp, comparator, timer, and pulse amplifier are provided internally. This makes the connections simple and reliable. Frequency and duty cycle variation are provided. Test points at various stages of firing circuit are brought out. To observe the output signal on CRO, BNC connectors are provided.

List of Experiments: 

• Study of Class ‘A’ commutation
• Study of Class ‘B’ commutation
• Study of Class ‘C’ commutation
• Study of Class ‘D’ commutation
• Study of Class ‘E’ commutation

Accessories :

• Patch chords
• Operating Manual

Approx. Rs 18,000 / PieceGet Latest Price

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To study and observe the working conditions of single phase Cyclo Converter and observe wave forms at different points.In this unit provisions are made to study the working conditions of single Phase Cyclo Converter at different firing angles. A thumb-wheel selector switch is provided to divide the line frequency at output. Firing and power circuits are internally built and rest points at various stage viz., pulse, ramp, comparator, timer, pulse amplifier are brought out making connections simple and reliable. Four SCR’s with fuse and snubber protection are provided. Single Phase supply is given through MCB to avoid damages due to overload or short circuits. To observe the output signal on CRO, BNC connectors are provided.

List of Experiments :

Study and observe the working conditions of Single Phase Cycle Converter.

Accessories:

• User Manual -1
• Patch chord Set-1

Approx. Rs 18,000 / PieceGet Latest Price

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• In this unit provisions are made to study the working conditions of Chopper with R, RL and Motor loads.
• Main and auxiliary thyristor trigger pulses are brought out separately. Provisions for internal and external triggering are also given. Both frequency and duty cycle variations are provided. Firing unit comprising of pulse, ramp, comparator, timer, pulse amplifier and power circuit are internally built and test points are brought out at various stages. Two SCR’s, two diodes, and LC commutation is provided. SCR and diodes are protected from large current and dv/dt by means of fuse and snubber circuit. DC field supply is internally built and brought out to run DC Motors. To observe the output signal on CRO, BNC connectors are provided. 

 List of Experiments:

1. Study and observe working conditions and output signal waveforms of DC Jones Chopper with R, RL and Motor Load.

Accesories:

• Patch Chord set-1
• Operating Manual-1

Approx. Rs 18,000 / PieceGet Latest Price

Product BrochureProduct Details:

This unit is made with necessary provisions to study series inverter. Frequency of converter can be easily changed by rotating potentiometer. Firing and power circuits are built in comprising synchronized transformer, DC power supply, pulse generator, carrier, frequency generator, adder, pulse amplifier and gate pulse isolation transformer. Test points are brought at various stages of firing circuits which makes the external connections simple and reliable. SCR's, diodes are protected from large currents and dv/dt with DC fuses and snubber circuit. To observe the output signal on CRO, BNC connectors are provided.

List of Experiments :

• Study of Series Inverter.

Accessories:

• User Manual -1,
• patch chord Set-1,
• 0-30V/2A DC Power Supply-1,
• Resistance Load-1.

Approx. Rs 18,000 / PieceGet Latest Price

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This unit is made with necessary provisions to study Parallel Inverter. Frequency of converter can be easily changed by rotating potentiometer. Firing and power circuits are built in comprising synchronized transformer, DC power supply, pulse generator, carrier, frequency generator, adder, pulse amplifier and gate pulse isolation transformer. Test points are brought at various stages of firing circuits which makes the external connections simple and reliable. SCR's, diodes are protected from large currents and dv/dt with DC fuses and snubber circuit. To observe the output signal on CRO, BNC connectors are provided.

List of Experiments

• Study of Parallel Inverter.

Accessories:

•  User Manual -1
•  Patch chord Set -1
•  DC Power Supply(0-30V/2A)-1
•  Resistance Load-1  

Approx. Rs 17,000 / PieceGet Latest Price

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     In this unit necessary provisions to study Dual Converter are made.Push buttons for selection of P or N in non-circulatory mode and ciculatory or non-circulatory mode. Potentiometer is provided to change the firing angle from 0° to 180°. Eight(4+4) trigger output terminals are provided to trigger SCR's. four SCR's in each converter are provided with fuse and snubber protection. MCB is provided to protect the unit from short circuits. Seperate firing unit and power circuit are built-in having zero crossing detector, pulse generator, pulse amplifier, isolation transformer along with various test points at different stages. This makes the connections simple and reliable .To observe the output signal on CRO,BNC connectors are provided.

List of Experiments:

• To study and observe the working conditions and related output waveforms of Single Phase Dual Converter.

Accessories:

• Patch Chord Set-1
• Operating Manual-1

Approx. Rs 19,500 / PieceGet Latest Price

Product BrochureProduct Details:

This unit is suitable for study and observation of working of 3 phase Half controlled Bridge converter.Inthis unit UJT foring circuit and power circuit are in-built and eight test points are provided at various stages of firing circuits.It makes the external connections simple and reliable. Potentiometer for changing the firing angle is provided.DC output can be varied from 25% to 100% with potentiometer. SCR's and power diodes are protected with DC fuse and snubber circuit.Free wheeling diode is also provided in the unit protects from short circuits and other such accidental damages.To observe the output signal on CRO,BNC connectors are provided.

List of experiments:

• To study and observe the working conditions and related output waveforms of 3phase half controlled bridge converter

Accessories: 

• patch chords.
• Operating Manual

Approx. Rs 18,000 / PieceGet Latest Price

Product BrochureProduct Details:

This unit provide comprehensive study of MC Murray-Bedford Half Bridge Inverter.Inthis unit UJT firing and power circuit are in-built making external connections simple and reliable.potentiometers to change the firing angle in synchrinous mide and to change frequency of oscillator in asynchronus mode are provided.Three terminal DC supply is devolped and brought out to the panel.5Amps fuse is provided to protect the unit fromshort circuits.To observe the output signal on CRO,BNC connectors are provided.


List of Experiments:

• To study and observe the working conditions and related output waveforms of MC Murray Bedford Half Bridge Inverter.

Accessories:

• patch chord Set -1.
• User Mannual -1
• R-Load-1
• 3 Pin Power Chord -1

Approx. Rs 14,500 / PieceGet Latest Price

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Features:

• unit details: firing circuit:This provides triggering pulses toMOSFET choperat 50KHz frequency.Duty cycle of firing can be varied from 10% to 90%.
• Power on-off:Power on/off switch to the firing unit with built-in indicator.
• Trigger O/P on/off: switch for trigger output with soft start feature.
• Test points: Provided to observe the logic circuit signals and stand by.

List of Experiments:

• To study and observe the working and characteristics of ‘Buck Converter with R  load.The circuit will be operated under continous current mode(CCM) AND open loop condition.

 
Accessories:

• User Manual -1,
• Patch Chord Set -1,
• 3 Pin Power Chord -1
• R Load -1,
• R-L Load-1.
  

Approx. Rs 12,000 / PieceGet Latest Price

Product BrochureProduct Details:

List of Experiments:

• To study and observe the working and characteristics of ‘Buck Converter with R  load.The circuit will be operated under continous current mode(CCM) AND open loop condition.

Accessories:

• User Manual -1,
• Patch Chord Set -1
• 3 Pin Power Chord  -1,
• R Load -1

Other Details:

 

• Firings Circuit: This provides triggering pulses to MOSFET chopper at 50 KHz frequency. Duty cycle of firing can be varied from 10% to 90%.

Front Panel Details:

• Power ON-OFF: Power ON/OFF switch to the firing unit with built-in indicator.
• Trigger O/P ON/OFF: Switch for trigger output with soft start feature.
• Test points: Provided to observe the logic circuit signals and standby.