SPB Engineers (India)

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

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

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

Additional Information:

• Item Code: XPO-VVVF

DC Motor Speed Control Trainers - Model: XPO-DMSC

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

Experiments:

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

Additional Information:

• Item Code: XPO-DMSC

AC Motor Speed Control Trainer - Model: XPO-AMSC

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

Experiments:

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

Additional Information:

• Item Code: XPO-AMSC

Single Phase Dual Converter Trainer - XPO-SPDC

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

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
• Usage: Laboratory

Additional Information:

• Item Code: XPO-SPDC

• 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

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

Additional Information:

• Item Code: XPO-4Q