LIMEL Integrated Laboratory for Electrical Machines:

4.3.2.2.- DC ELECTRICAL MOTORS AND GENERATORS
INTEGRATED LABORATORY FOR ELECTRICAL MACHINES: - LIMEL

INNOVATIVE SYSTEMS

LIMEL, Electrical Machines Integrated Laboratory is a set of different elements that can be interconnected to form a complete learning and teaching center

See general description

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General Description

LIMEL, Electrical Machines Integrated Laboratory is a set of different elements that can be interconnected to form a complete learning and teaching center. From the minimum configuration to the most advanced one (always depending on the customer’s choice) EDIBON offers a means of learning electric functions and those of its most useful appliances. This process is always carried out through real working devices.

Customer may choose the equipment that best adapt to her/his educational needs, always bearing in mind that all previously acquired elements are fully compatible and valid for future extensions.

EDIBON presents its range of products. We have divided them into main and additional elements. As far as we are concerned, the main units constitute the basis for a good understanding of Electrical functions and equipment. The additional elements help with a deeper knowledge on the subject, and EDIBON encourages to complement any laboratory configuration with CAI, CAL and MUAD systems, which have been designed to be the best teaching assistants.

Exercises and guided practices

MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

The D.C.Machine (with motors EMT1/2/3/4/5/15)

  1. Preparation, regulation and inversion in a dynamo with independent excitation.
  2. The dynamo characteristic curve without load.
  3. Dynamos with series and shunt excitation.
  4. Dynamo external characteristic curve.
  5. Dynamo characteristic regulation curve.
  6. Speed variation, inversion and stop of D.C. motor with independent excitation.
  7. Speed-armature current characteristic curves in a D.C. motor with shunt or independent excitation.
  8. Torque-current characteristic curve in a D.C. motor with shunt or independent excitation.
  9. Torque-speed characteristic curve in a D.C. motor with shunt or independent excitation.
  10. Speed-excitation current characteristic curves in a D.C. motor with independent or sunt excitation. Operation in constant power.
  11. Speed control at constant torque.
  12. Series D.C. motor: starting, speed variation, inversion and braking.
  13. Speed-intensity characteristic curve in a D.C. motor with series excitation.
  14. Torque-current characteristic curve in a D.C. motor with series excitation.
  15. The D.C. motor with series excitation as universal motor.

The Synchronous Machine (with motor EMT6)

  1. Starting, voltage and frequency regulation in a three-phase alternator.
  2. Net coupling of a three-phase alternator.
  3. Characteristic curve of an alternator without load.
  4. Characteristic curve of an alternator in short circuit.
  5. Characteristic curve of an alternator with load.
  6. Synchronous motor starting.

The Asynchronous Machine (with motors EMT7/8/9/10/11/16/17)

  1. Mordey´s diagrams.
  2. Starting process of a three-phase asynchronous motor with rotor in short circuit.
  3. Test without load of an asynchronous motor with rotor in short circuit.
  4. Test with load of a three-phase asynchronous motor with rotor in short circuit.
  5. Starting of a three-phase asynchronous motor with the wound rotor.
  6. Test without load of a three-phase asynchronous motor with the wound rotor.
  7. Test with load of a three-phase asynchronous motor with wound rotor.
  8. Starting of a single-phase motor with capacitor.
  9. Test without load of a single-phase asynchronous motor.
  10. Test in load of the single-phase motor.

The Universal motor (with motor EMT12)

  1. The Universal motor with D.C. supply.
  2. Speed-current characteristic of an Universal motor with D.C. supply.
  3. Torque-intensity characteristic in the D.C. Universal motor.
  4. The universal motor with A.C. supply.

The Repulsion motor (with motor EMT14)

  1. Starting and inversion of a single-phase repulsion motor.
  2. Test of a single-phase repulsion motor without load.
  3. Test of a single-phase asynchronous repulsion motor in A.C.

The Brushless motor (with motor EMT18)

  1. Brushless motor starting.
  2. Speed control and change of the turn sense.

The Dahlander motor (with motor EMT9)

  1. Dahlander motor starting.
  2. Different working speeds.
  3. Changing the different speeds of Dahlander motor while working.

The Stepper motor (with motor EMT19)

  1. Stepper motor starting.
  2. Steps control.
  3. Rotation sense change.

The Reluctance motor ( with motor EMT21)

  1. Star connection of the reluctance motor.
  2. Delta connection of the reluctance motor.
  3. Revolution sense and inversion of rotation.
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Quality

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