DC MACHINE LAB TRAINER
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DC MACHINE LAB TRAINER

SALIENT FEATURES

  • Facilitates easy and safe wiring by students due to use of 4mm sturdy shrouded banana patch cords and shrouded socket arrangements

All machines are mounted on finely painted sturdy base frame with easy machine interchangeability Use of gear coupling facilitates screw less coupling.

  • With due emphasis on student safety machines operate upto 300W power levels and upto 1500 RPM, without compromising didactic use Able to draw all graphs.

MOTOR SPECIFICATIONS

LISTOFEXPERIMENTS:

 DC shunt wound motor coupled to DC shunt generator setup (Motor- Generator setup):

 DC Integrated motor with following specs: Voltage: Varm = 220V, Vfield = 220V, Capacity:

300W/2 pole/ 1500RPM/8 terminals, Rotor construction: Standard commutator / brush arrangement with laminated stack, brought out on 2 terminals, Stator construction: Separately excited field winding with laminated solid yoke 2 pole and series winding brought out on 4

Terminals, with easily swappable gear coupling.

 DC Integrated motor with following specs: Voltage: Varm = 220V, Vfield

= 180V, Capacity: 300W/2 pole/ 1500RPM/6 terminals, Rotor

construction: Standard commutator / brush arrangement with

laminated stack, brought out on 2 terminals, Stator construction:

Separately excited field winding with laminated solid yoke 2 pole and series winding brought out on 4

Terminals.

Technical specifications of electrical control panel.

  1. panel of Aluminum profile sturdy (4×2) flat panel (table top) system, carrying various high voltage components housed in plastic enclosures (panel) to minimise shock possibility
  2. DC voltmeter (0-300V), DC Ammeter (0-5A) with polarity protection diode
  3. Field failure relay to control Armature supply. Both 6A/6B needed simultaneously.
  4. DC lamp load for loading the shunt generator 3 sets of lamps will be provided with 4mm terminals for connections in the circuit.
  1. A dc power isolated power supply for operating the dc machine trainer.
  2. Built in dc field control supply for separately excited dc shunt generator
  3. Well printed circuit diagram for easy connections .
  4. Safety through the MCB in case of short circuits.
  5. Emergency stop button for emergency halt of operation of the instruments.

DC Multiwinding Motors with brake load arrangement.

 

Shunt /series compound motors have been the most used due to their very simple speed control, Ruggedness & High Torque capabilities.This

Model is the Industrial/Educational model suitable for demonstrating to students the complete know of the Basics, Components, Starting

methods, Wear & Tear & Maintenance of these motors packaged in small rating.Students can make connections of their own with the help of

the terminations provided for study of features viz Starting methods,Speed control, Speed-Torque, Effects of Field voltage, Effects of Armature

voltage, Motor/Generator operation.

Technical Specs : Power ratings available : 350W / 750W / 1KW /2 KW / 3KW/ 5KW

Voltage Input: 220V

DC Excitation : 220V

DC Armature : 220V DC

RPM: 1500 / 3000 RPM

Single / Double shaft extension,

SPDP, IP23, IC01, B3, Class-B, S1, Solid Yoke

List Of Experiments Behavior of Resistance Cut off method of starting Behavior of Voltage control method of starting Speed Control & Over

speed operations Load test & No load test of machine Speed-Torque Analysis Voltage-Speed Analysis Efficiency Analysis Analysis of

Commutation Cold Resistance & Hot Resistance Motor Operation

Motor suplied with brake load arrangement with water coolent pulley, 2 spring balances with ms frame connected top tighetening drum to

measure torque manually. The torque can be direct readout from 2 spring balances readings.

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