SPB Engineers (India)

3 Phase Induction Motor Speed Control (Variable Voltage & Variable Frequency) Trainer - Model: XPO-VVVF

List of Experiments:

• Study of speed / torque characteristics of 3 phase squirrel cage induction motor
• Study of efficiency of AC motor
• Study of speed / torque characteristics of AC motor

Specifications:

• 1 Φ Motor, Alternator and Synchronised Motor Panel
• Integrated AC 1 Φ Measurement Panel
• AC Voltmeter Panel
• Dual Range AC Ammeter Panel
• IGBT Controlled AC Drive Panel
• Motor: 3 Φ Squirrel Cage Induction Motor, ½ HP, 4 Pole, 1500 RPM, 6 Terminal (Delta 220 V AC / Star 440 V AC) Motor with Hand Held Tacho Meter for speed measurement

Additional Information:

• Delivery Time: 12 weeks from the dare of receipt of order

• To perform experiment on slip power recovery for 3 phase slip ring induction motor
•  To perform experiment for speed control of 3 phase slip ring induction motor using Static Kramer Drive
• Speed control of 3 phase induction motor using static rotor resistance control (optional requiring additional panels)

• Input 3 Phase DOL Starter Panel
• FWD-OFF-REV Switch Panel
• Variable AC and DC Supply Panel
• 3 Phase Bidirectional Power cum Energy Meter Panel
• 3 Phase SCR Firing and Synchronising Panel
• 6 SCR / Diode Power Module
• Resistor Load Panel
• 3 Phase AC Integrated Motor
• DC Integrated Motor

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

AC Motor Speed Control Trainer - Model: XPO-AMSC

Experiments:

• Open loop torque speed characteristics
• Closed loop speed control with speed feedback using P / PI mode

Specifications:

• Fractional HP AC / DC, 1/12 HP motor chassis mounted with brake pulley and spring balance loading arrangement
• AC Voltmeter and AC Ammeter Panel
• Instrumentation Power Supply cum Multi Channel DPM Panel
• SCR Actuator (Variable AC) cum Sensor Signal Conditioning Panel

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

Single Phase Dual Converter Trainer - XPO-SPDC

List of Experiments:

• Study of dual converter topology and control strategy
• Study of dual converter operation: resistive load / motor load
• Study of circulating and non circulating current mode operation
• Study of 4 SCR full bridge, cosine firing

Specifications:

• PMDC Shunt Motor, 200 V DC, 200 W, 1500 RPM
• Instrumentation Power Supply cum Multi Channel DPM Panel
• SCR Actuator (variable DC) cum Sensor Signal Conditioning Panel
• DC Voltmeter and DC Ammeter Panel
• 1 Phase Motor, Alternator Synchronised Motor Panel
• Single Phase Dual Converter Controller Panel
• Isolation Transformer

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

Motor Fault Simulator and Low Voltage Fault Simulation Trainer - XPO-MFS

List of Faults:

• Over Current
• Under Current
• High Temperature
• Single Phasing
• Reverse Phasing
• Under Voltage
• Over Voltage
• Winding Open

Specifications:

• Facilitates easy learning about fault characteristics of Squirrel Cage Induction Motor
• 3 Phase Squirrel Cage Induction Motor, 0.5 HP, 4 Pole, 1500 RPM, 6 Terminal with built in thermal cutout
• 3 Phase Induction Motor Fault Simulation Panel
• Input 3 Phase DOL Starter Panel
• AC Voltmeter Panel
• Integrated AC (3 1 Phase) Measurement Panel
• FWD / REV, Star Delta Starter Panel
• 3 Phase Sequencde Indicator Panel
• Single Phasing Panel
• Grounding Protection Panel

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

Brush Less DC Motor Trainer - XPO-BLDC

Experiments:

• Study of speed vs load characteristics with loading arrangement
• Study speed vs load vs current vs voltage measurements with loading arrangements

Specifications:

• Brush Less DC Motor, 24 V DC, 200 W, 2500 RPM, Bidirectional, Braking System, Chassis Mounted with Spring Balance Loading Arrangement
• Instrumentation Power Supply cum Multi Channel DPM Panel
• BLDC-1 Panel with 24 V DC, 3 A power supply for BLDC Motor and speed display DPM
• BLDC-2 Panel with BLDC controller circuit and tacho input
• BLDC-3 Panel with forward / reverse switch, brake switch, test points for PWM outputs, speed control pot
• BLDC-4 Panel with voltmeter, ammeter, circuit breaker

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

• Study of speed control of motor by manually changing DC bus voltage

• Study of direction control (CW/CCW) of motor by using step push button
• Study of speed control of motor by changing PWM duty cycle using step push buttons
• Study of speed control of motor by changing PWM duty cycle using ADC potentiometer
• Study of close loop speed control of motor by taking speed feedback & changing duty cycle with PI controller [optional]

• XPO-PEDEB includes reconfigurable hardware modules and individually replaceable power modules, which may be interconnected to achieve more than 14 different circuit topologies
• The software (controller) is accessible to users, thereby facilitating quick verification and testing of new ideas
• Use of hall sensors for voltage / current measurements
• Facilitates easy and safe wiring by students using shrouded banana patch cords and shrouded socket arrangement to try out different topologies for high voltage circuits
• Each panel has ABS moulded enclosure, colourful screw less overlays showing circuit diagram, connection tag numbers for easy understanding, connections and experiments

Specifications:

• Instrumentation Power Supply cum Multichannel DPM Panel
• 8 IGBT / MOSFET Power and Sensing Panel
• DSP / FPGA Based Controller Panel
• Input 3 Phase DOL Starter Panel
• Optional 3 Phase Squirrel Cage Induction Motor with Hand Held Tacho Meter for speed measurement

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

• Study of speed control of 3 phase induction motor using square wave inverter.
• Working with 1 phase AC 2 winding motor (Optional)
• Measurement of inverter waveforms
• Study of speed control of 3 phase motor using PWM sine inverter

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

• To study the regenerative braking of 3 phase AC motor
• To study the AC dynamic braking of 3 phase AC motor
• To study the DC dynamic braking of 3 phase AC motor
• To study the self excited braking of 3 phase AC motor
• To study the zero sequence braking of 3 phase AC motor
• To study the rheostatic or regenerative braking of separately  excited DC motor
• To study the plugging of separately excited DC motor
• To study load equalization by flywheel for intermittent duty  cycle

• Students can study braking methods for different types of AC (3 phase squirrel cage) & DC motor
• Motors are mounted on finely painted sturdy base frame with fly  wheel mounted on its shaft
• Flywheel provided to study its effect on braking

Additional Information:

• Delivery Time: 12 weeks from the date of receipt of order

DC Motor Speed Control Trainers - Model: XPO-DMSC

Experiments:

• Open loop torque speed characteristics
• Closed loop speed control using armature voltage, speed feedback using P / PI mode

Option I:PMDC Motor (DMSC/I)

200 V, 200 W, 2000 RPM chassis mounted PMDC motor with spring balance loading arrangement and tachogenerator

Option II: DC Shunt Motor (DMSC/II)

180 V, 160 W, 1500 RPM chassis mounted DC shunt motor with spring balance loading arrangement and electronic tacho

Option III: DC Integrated Motor (DMSC/III)

180 V, 300 W, 1500 RPM chassis mounted DC integrated motor with series shunt with spring balance loading arrangement and electronic tacho

Specifications:

• Instrumentation Power Supply cum Multi Channel DPM Panel
• SCR Actuator (Variable DC) cum Sensor Signal Conditioning Panel
• DC Voltmeter and DC Ammeter Panel

Additional Information:

• Delivery Time: 12 weeke from the date of receipt of order

Experiments:

• Study of first quadrant chopper or Type-A chopper
• Study of second quadrant chopper or Type-B chopper
• Study of two quadrant Type-A chopper or Type-C chopper
• Study of two quadrant Type-B chopper or Type-D chopper
• Study of fourth quadrant chopper or Type-E chopper
• Four quadrant 200 V / 200 W PMDC motor chopper drive
• Resonant converter

• Aluminium profile modular flat demo panel rack system carrying various hogh voltage components housed in panels to minimise shock possibility
• Facilitates easy and safe wiring by students using shrouded banana patch cords and shrouded socket arrangement to try out different topologies for high voltage circuits
• Each panel has ABS moulded enclosure, colourful screw less overlays showing circuit diagram, connection tag numbers for easy understanding, connections and servicing at site
• Study of different types of choppers: Type-A, Type-B, Type-C, Type-D and Type-E (first quadrant to fourth quadrant)
• In built IC based PWM control with variable duty cycle and variable frequency
• 4 independent IGBTs with built in driver and 2 KV isolation provided for TTL level driver
• Optionally 2 Hall current sensors, one for load and one for source supplied

Specifications:

• Instrumentation Power Supply cum Multichannel DPM Panel
• 4 IGBT / MOSFET Power and Sensing Panel
• DC Voltmeter and DC Ammeter Panel
• Optional PMDC Motor with Loading Arrangement
• Optional Lamp Load Panel
• 20 E / 200 W Rheostat

Additional Information:

• Delivery Time: 12 week from the date of receipt of order