EM-SCADA Control and Data Acquisition System Software for Electrical Machines

CONTROL AND DATA ACQUISITION SYSTEM SOFTWARE FOR ELECTRICAL MACHINES - EM-SCADA

INNOVATIVE SYSTEMS

The Control and Data Acquisition System of Electrical Machines, EM-SCADA has been developed to study, analyze and investigate the performance of rotating and static electrical machines such as three-phase induction motors of squirrel cage, Dahlander motors, induction motors with starting capacitor, induction motors with wound rotor, reluctance motors, synchronous generators, DC motor-generators, three-phase and single phase transformers, etc.

See general description

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General Description

The Software Control and Data Acquisition System for Electrical Machines, EM-SCADA has been developed by Edibon to study and analyze the performance of rotating and static electrical machines such as three-phase and single-phase AC motors, synchronous generators, DC motor-generators or three-phase and single phase transformers.

The EM-SCADA is designed to work with both rotating electrical machines and transformers. For this purpose, this system has an interface for the acquisition of data of all control and power signals, which are acquired and analyzed with the SCADA System afterwards

In the case of rotating machines, the interface has the corresponding connections to control a servomotor that is coupled to the motor´s shaft to be tested. The included SCADA Software has several algorithms, which allow the user to transfer different load profiles to test electric motors under different load conditions. In this way, it can be simulated different load profiles with lineal, constant or exponential slope. During the motor testing procedure with the servomotor working as load, electrical and mechanical parameters are monitored in real time (currents, voltages, power, torque, speed, etc.) to obtain the corresponding results ( torque vs speed curve, performance etc.).

In order to carry out transformers testing, the interface has the properly connections to fulfill the electrical parameters measurement when undergoing unloaded and short-circuit test. The results are stored for further analysis with the SCADA System.

Exercises and guided practices

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

Exercises for DC/AC motors:

  1. Analysis of starting currents and voltages of the rotating machines.
  2. Analysis of mechanical parameters (torque and speed) of the rotating machines.
  3. Comparison of starting and operating parameters between different motors.
  4. Obtaining monitored parameters in terms of different types of graphs such as signal vs signal or signal vs time.
  5. Real time display of the torque waveform.
  6. Real time display of the speed waveform.
  7. Real time display of the current and voltage waveforms.
  8. Electrodynamic study of different rotating machines.
  9. Manual and automatic braking test and real time monitoring of the results.
  10. Obtaining the characteristic curves for different motors (torquespeed curve, torque- current curve).
  11. Storage, display and comparison of the fulfilled test.

Exercises for single-phase and three-phase transformers:

  1. Three-Phase transformer short-circuit test.
  2. Three-phase transformer unloaded test.
  3. Single-Phase transformer short-circuit test.
  4. Single-Phase transformer unloaded test.

MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

  1. Many students can view results simultaneously, real time, by means of a projector or an electronic whiteboard.
  2. The Computer Control System with SCADA allows a real industrial simulation.
  3. This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  4. This unit can be used for doing applied research.
  5. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  6. Control of the EM-SCADA unit process through the control interface box without the computer.
  7. Visualization of all the sensors values used in the EM-SCADA unit process.
  8. Several other exercises can be done and designed by the user.

Quality

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