Four Quadrant Chopper Trainer (Model : XPO-4Q)

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This comprehensive educational kit offers a range of features aimed at facilitating easy and safe experimentation for students in the realm of high-voltage circuits. With 4mm sturdy shrouded banana patch cords and a shrouded socket arrangement, students can explore various topologies confidently. Each panel, housed in a robust ABS moulded plastic enclosure, features colourful screwless overlays displaying circuit diagrams and connection tag numbers, promoting easy understanding, connections, and on-site servicing through component swapping. The kit enables the study of different chopper types, from Type-A to Type-E, spanning all quadrants. The inclusion of an inbuilt IC-based PWM control with variable duty cycle and frequency (1-20KHz) adds versatility to the learning experience. Four independent IGBTs with built-in drivers and 2KV isolation, along with optional hall current sensors for load and source, further enhance the kit’s functionality and ease of on-site servicing.

SALIENT FEATURES:

Facilitates easy & safe wiring by students due to 4mm sturdy shrouded banana patch cords and shrouded socket arrangement to try out different topologies for high voltage circuits.
Each panel has ABS moulded plastic sturdy enclosure, and colourful screw less overlays showing circuit diagram & its connection tag numbers for easy understanding, connections & servicing by swapping at site.
Study of different types of choppers i.e. Type-A, Type-B, Type-C, Type-D and Type-E (first quadrant to fourth quadrant).
Set of Instructor Guide & Student Workbook.
Inbuilt IC based PWM control with variable duty cycle & variable frequency (1-20KHz).
4 independent IGBTs with built in driver & 2KV isolation provided for TTL level driver. Thus easy for site servicing,
Optionally 2 hall current sensors one for load & one for source supplied

Technical Specifications

Aluminium profile modular flat demo panel rack (4X2) system, carrying various high voltage components housed in plastic enclosures (panel) to minimise shock possibility.

Instrumentation Power supply cum Multichannel DPM panel(EMT 8) (6 Shrouded Banana)
- DC Multi Output power supply.
- Supplies DC power to neighbouring signal conditioning circuit panels like EMT9, CIP1, CIP2, MIT12, CE7 etc. through 20 pin FRC cable.
- Provides 1 Ph. AC supply through 3 MCB’s, 4A each to power up other panels in the rack.
- Optionally Multichannel 4 position DPM for Speed, Torque etc.
- Green SBS5 socket is provided for extend earth.
4 IGBT/MOSFET power & sensing panel (PE7)(37 Shrouded Banana)
- 1200V/40A IGBT with isolated (LV) TTL compatible isolated driver circuit & individual heat sink 4 nos.
- DC current measurement using 0.5E/5W series resistor default or optionally hall sensors (Max I/P up to 10A, 50/60Hz), isolation up to 2KV, O/P=0-3V for controller feedback.
- DC voltage measurement using DC meter panel.
- IC3525 based PWM control with variable duty cycle (5%-90%) & variable frequency (1-20KHz)

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