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Scientech 2700High Voltage Power Electronics Lab
Scientech 2700 High Voltage Power Electronics Lab is a compact,
reddy to use experiment workbench. In this particular workbench
there are various applications and experiments of Power Diode and
SCR on the workbench with different load configuration.
Scientech 2700 High Voltage Power Electronics Lab covers the
principles and opration of Single Phase and Three Phase Thyristor
control circuits.
Scientech 2700 High Voltage Power Electronics Lab has
economically desigened in vertical position and with sufficient space
for working, this workbench is available with table and without table .
Locking mechanism
MCB
Three Phase Supply socket to supply instruments
1375 mm
Front view
1815 mm
745 mm
810 mm
260 mm
344 mm
Side view
1790 mm
310mm
745mm
260mm
810mm
170m
m
155mm
80mm70mm
90mm
130mm 130mm
Features
?On Board Single Phase (Mains) Power Supply
?On Board Single Phase Low Voltage Power Supply
?On Board Three Phase (Mains) Power Supply
?On Board Three Phase Low Voltage Power Supply
?MCB is provided for Three Phase Input AC Supply for
safety purpose
?MCB is provided at front panel for Single Phase
Supply, Three Phase Supply and Three Phase Low
Voltage Power Supply
?Red, Yellow and Blue indicator at front panel for
indication of Three Phase Input Supply
?Three Phase Socket provided at back panel for
Three Phase Input Supply
?One Extension board on bench
?On Board Oscilloscope with Power Scope
?On Board DC Voltmeter& Ameter for DC Voltage
Measurement
?On Board AC Voltmeter& Ameter for AC Voltage
Measurement
?On Board Load Assembly
?On Board Single Phase Firing Circuit
?On Board Three Phase Firing Circuit
?On Board PWM Circuit
?On Board Cycloconverter Firing Circuit
?Test point provided for check output at different
blocks in Firing Circuit
?Single Phase Firing Angle Control 30-180 º
?Three Phase Firing Angle Control 30-150 º
?Cycloconverter Firing Angle Control 30-180 º
?On Board Pulse Amplifier & Isolation Section
?On Board Diode Assembly
?On Board SCR Assembly
?On Board IGBT Assembly
?Internal RC snubber circuit in Power Circuit Module
?2 mm and 4 mm Socket provided to make different
connections
?Easily replaceable Firing Circuit and Power Circuit
Module
?Four 200 W Bulb as Lamp Load
?Universal Motor 1/8 HP as Motor Load
?Short Circuit Protection
?Easy to operate and understand
?Wheel (with locking mechanism) is provided at legs
of workstation so that it can be easily moved
?Exhaust fan at back panel for cooling
Technical Specifications
Single Phase AC Power Supply : 110-220V, 50/60Hz
Center Tapped Transformer : 115V - 0 - 115V ± 10%, 2A
Supply
Low Voltage AC Power Supply : 18V - 0 - 18V, 15V-0
Low Voltage DC Power Supply : +30V, -30V 250mA
: +15V, -15V 250mA
: +12V, -12V 500mA
: +5V, -5V 500mA
Three Phase AC Power Supply : 230V Phase voltage,
415 Line voltage ± 10% 50 Hz
Three Phase Low Voltage : 15V Each Phase ± 10%, 50Hz
Power Supply
MCB (Power Switch) : Single Phase 10A
MCB (Power Switch) : Three Phase 10A
Interconnections : 2mm & 4mm Safety Socket
Diode Assembly : Diode 6A10 1000V/6A
SCR Assembly : TYN 616 600V/16A
IGBT Assembly : IGBT G4BC20S 600V/10A
Single Phase Firing Circuit : Ramp Comparator Firing Circuit
(Firing Angle Control 30-180 º)
Three Phase Firing Circuit : Three Phase Firing Circuit
(Firing Angle Control 30-150 º)
Cycloconverter Firing Circuit : Cycloconverter Firing Circuit
(Firing Angle Control 30-180 º)
PWM Circuit : Triangular Comparator Method
Frequency Range 270Hz to 5KHz
(approximately)
PWM Variation 0-90% & 0-50%
Oscilloscope with Power Scope : 30MHz Oscilloscope with 1500V
Isolated measurement
Analog AC Voltmeter : 0-500V AC Voltage Measurement
Analog AC Ammeter : 0-30A AC Current Measurement
Analog DC Voltmeter : 0-500V DC Voltage Measurement
Analog DC Ammeter : 0-30A DC Current Measurement
Load Assembly : Four Load Assembly
± 10%,
Scientech 2700High Voltage Power Electronics Lab
Study of Single Phase:
?
?Half Wave Uncontrolled Rectifier on Lamp Load & Motor Load
?Half Wave Uncontrolled Rectifier on Motor Load with Freewheeling Diode
?Full Wave Uncontrolled Rectifier on Lamp Load & Motor Load
?Full Wave Uncontrolled Rectifier on Motor Load with Freewheeling Diode
?Bridge Uncontrolled Rectifier on Lamp Load & Motor Load
?Bridge Uncontrolled Rectifier on Motor Load with Freewheeling Diode
?Ramp and Comparator Firing Circuit
?Half Wave Controlled Rectifier on Lamp Load & Motor Load
?Half Wave Controlled Rectifier on Motor Load with Freewheeling Diode
?Full Wave Controlled Rectifier on Lamp Load & Motor Load
?Full Wave Controlled Rectifier on Motor Load with Freewheeling Diode
?Bridge Controlled Rectifier on Lamp Load & Motor Load
?Bridge Controlled Rectifier on Motor Load with Freewheeling Diode
?Semiconverter common cathode configuration on Lamp Load
?Semiconverter common cathode configuration Rectifier on Motor Load
?Semiconverter common cathode configuration Rectifier on Motor Load with Freewheeling Diode
?Semiconverter common anode configuration on Lamp Load
?Bridge Semiconverter common anode configuration Rectifier on Motor Load
?Bridge Semiconverter common anode configuration Rectifier on Motor Load with Freewheeling Diode
?Semiconverter asymmetrical configuration on Lamp Load
?Semiconverter asymmetrical configuration Rectifier on Motor Load
?Semiconverter asymmetrical configuration Rectifier on Motor Load with Freewheeling Diode
?Semiconverter asymmetrical half wave control configuration on Lamp Load
?Semiconverter asymmetrical half wave control configuration Rectifier on Motor Load
?Semiconverter asymmetrical half wave control configuration Rectifier on Motor Load with Freewheeling Diode
?AC voltage on off control on Lamp Load & Motor Load
?Half Wave AC voltage controller on Lamp Load & Motor Load
?Full Wave AC voltage controller on Lamp Load & Motor Load
?Cycloconverter on Lamp Load & Motor Load
?Study of PWM Circuit
?Study of Cycloconverter Firing Circuit
Study of Three Phase
?Supply and Three Phase Low Voltage Power Supply
?Half Wave Uncontrolled Rectifier common cathode configuration on Lamp Load & Motor Load
?Half Wave Uncontrolled Rectifier common cathode configuration on Motor Load with Freewheeling Diode
?Half Wave Uncontrolled Rectifier common anode configuration on Lamp Load & Motor Load
?Half Wave Uncontrolled Rectifier common anode configuration on Motor Load with Freewheeling Diode
?Bridge Rectifier on Heater Load
?Firing Circuit
?Half Wave Controlled Rectifier common cathode configuration on Lamp Load& Motor Load
?Half Wave Controlled Rectifier common cathode configuration on Motor Load with Freewheeling Diode
?Semiconverter on Heater Load
?Half Wave AC Voltage Controller on Lamp Load & Motor Load
?Full Wave AC Voltage Controller on Lamp Load & Motor Load
Supply and Single Phase Low Voltage Power Supply
Scope of Learning
Scientech 2700High Voltage Power Electronics Lab
Single Phase Supply : 230 V ± 10%, 50 Hz
Center Tapped Transformer Supply : 115 V - 0- 115 V ±10%, 2 A
Single Phase Low Voltage Power Supply:18 V - 0 -18 V, 15 V - 0(AC supply)+30 V, -30 V, 250 mA+15 V, -15 V, 250 mA+12 V, -12 V, 500 mA+5 V, -5 V, 500 mA (DC supply)
Three Phase Supply : 230 V Phase Voltage415 V Line Voltage±10%, 50 Hz
Three Phase Low Voltage Power Supply: 15 V Phase Voltage30 V Line Voltage±10%, 50 Hz
Oscilloscope with Power Scope : 30 MHz Oscilloscope with measure 1500V Isolated
DC Voltmeter : 0 - 500V DC Voltage Measurement
DC Ammeter : 0 - 30A DC Current Measurement
AC Voltmeter : 0 - 500V AC Voltage Measurement
AC Ammeter : 0 - 30A AC Current Measurement
Load Assembly : Four Load Assembly
Supply Section Measurement Section
Scientech 2700High Voltage Power Electronics Lab
PM01 Diode Assembly
PE21 Ramp Comparator Firing Circuit
PE22 Three Phase Firing Circuit PE24 Cycloconverter Firing Circuit
PE23 PWM Circuit
Power Circuit Module
Firing Circuit Module
Power Supply : 15 V - 0 (AC Supply)
+12V & Gnd (DC Supply)
Firing Angle Control: 30 -180 variable
Terminal Socket : 2 mm.
°
Power Supply : +12 V, - 12V & Gnd (DC Supply)
PWM Pulse : PWM Pulse 1, 0 - 90 % duty cycle
PWM Pulse 2, 0 - 50 % duty cycle
Terminal Socket : 2 mm.
PM02 SCR Assembly PM03 IGBT Assembly
Diode : 6A10Voltage : 1000 VCurrent : 6 ASafety Terminal : 4 mm socket
SCR : TYN 616Voltage : 600 VCurrent : 16 ASafety Terminal : 4 mm socketSnubber : RC Snubber Protected
IGBT : G4BC20SVoltage : 600 VCurrent : 10 ASafety Terminal : 4 mm socketSnubber : RC Snubber Protected
Power Supply : R, Y, B & N output1Three Phase Low Voltage Power supply
+12V & Gnd (DC Supply)
Firing Angle Control: 30 -150° variable
Terminal Socket : 2 mm.
Power Supply : 18 V - 0 - 18 V (AC Supply)+12 V, +5 V & Gnd (DC Supply)
Firing Angle Control : 30 -180° variable
Terminal Socket : 2 mm.
Scientech 2700High Voltage Power Electronics Lab
PM01 Diode Assembly
PM02 SCR Assembly
PM03 IGBT Assembly
PM04 Three Phase Diode Bridge Rectifier
PM05 Three Phase Semiconverter
PM06 Three Phase SCR Bridge Rectifier
PM07 Three Phase Half Wave AC Voltage Controller
PM08 Three Phase Full Wave AC Voltage Controller
PM09 AC Voltage Control By TRIAC
PM10 Single Phase Half and Full Wave AC Voltage Controller
PM11 Single Phase Half Wave Converter Drive
PM12 Single Phase Semiconverter Drive
PM13 Single Phase Full Wave Converter Drive
PM14 Three Phase Half Wave Converter Drive
PM15 Single Phase Bridge Inverter
PM16 Three Phase Firing Circuit for Three Phase AC voltage Controller without neutral configuration
PM17 Cyclonverter Firing Circuit with variable frequency
PM18 Single Phase and Three Phase Inverter Firing Circuit
PM19 Three Phase Fully Controlled Bridge Rectifier
PE25 Ramp and Pedestal Firing Circuit PE26 Cosine Firing Circuit PE27 Microcontroller Based Firing Circuit
Power Supply : 15 V - 0 (AC Supply)
Firing Angle Control : 30 -180° variable
Terminal Socket : 2 mm.
Power Supply : 15V - 0 (AC Supply) +12V,+5V, -5V & Gnd(DC Supply)
Firing Angle Control : 30 -180° variable
Terminal Socket : 2 mm.
Power Supply : 18V-0-18V (AC Supply)+12V, +5V&Gnd (DC Supply)
Firing Angle Control : 30 -180° variable
Terminal Socket : 2 mm.
Optional Firing Circuit
Sub
ject
to C
hang
e
Optional Power Circuit Module
Helpline: +919893270301
Scientech Technologies Pvt. Ltd.
Designed & Manufactured in India by-
94, Electronic Complex, Pardesipura, Indore- 452 010 India,
Scientech 2700High Voltage Power Electronics Lab