Transistor Characteristic Apparatus Experiment, Physics instrument, general laboratory equipment manufacturers.

Four Quadrant Chopper

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Four Quadrant Chopper

Four Quadrant Chopper

Salient Features:

  • Aluminium profile modular flat demo panel rack system carrying various high voltage components housed in panels to minimize 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 moulded enclosure, colorful 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


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