Key Features

• Complete training solution for studying modern electrical machines
• Safe operation with fully covered moving parts
• Operates on 24V AC/DC low voltage power supply for enhanced safety
• Compact, low-power, and space-saving design
• Easily stored and packed with dedicated storage trays
• Supports both manual operation and full PC control
• Integrated DC power supply
• Built-in single-phase and three-phase AC variable frequency power supply
• Electronic measurement of:
  • Voltage
  • Current
  • Power (AC & DC)
• Includes 14 embedded instruments within the control box
• Compatible with MATLAB and LabVIEW through API integration
• Real-time RPM and torque monitoring software
• Automatic speed-torque graph generation
• Integrated oscilloscope display and waveform monitoring software

Included Machines & Modules

The system includes a comprehensive range of electrical machines for practical experimentation:

• Dynamometer with integrated load cell and rotary encoder
• DC Permanent Magnet Motor / Generator
• DC Shunt Motor
  • Separately Excited Motor & Generator
  • DC Shunt Generator
• DC Series Motor / Universal Motor
• AC Single Phase Induction Motor
• AC Three Phase Induction Motor
  • Star and Delta configurations
• Brushless DC Motor
  • Three Phase Permanent Magnet Synchronous Motor & Generator
• Integrated Power Supply & Control Box
• PC-based Advanced Motor Control Applications

Motor Specifications

DC Dynamometer / Motor & Cradle

• Operating Voltage: 24V AC
• Max Current: 2A
• Speed: 1500 RPM

Three Phase Induction Motor

• Operating Voltage: 24V AC
• Frequency: 40–80 Hz
• Max Current: 1.4A
• Speed: 1400 RPM

Brushless DC Motor / 3-Phase Generator

• Operating Voltage: 24V AC
• 3 Phase
• Max Current: 2A
• Speed: 1500 RPM

Single Phase Induction Motor

• Operating Voltage: 24V AC
• Frequency: 40–80 Hz
• Max Current: 1.4A
• Speed: 1400 RPM

Universal / Series Motor

• Operating Voltage: 24V AC
• Frequency: 50 Hz
• Max Current: 6A
• Speed: 1500 RPM

DC Motor

• Operating Voltage: 24V AC
• Frequency: 40–80 Hz
• Speed: 1500 RPM

Shunt Motor

• Operating Voltage: 24V AC
• Max Current: 12A
• Speed: 1500 RPM

Control Box Features

The integrated control box is the heart of the system, enabling manual and PC-based machine control.

Features include:

• Selection of:
  • DC output
  • Single-phase AC output
  • 3-phase AC output
• Integrated voltage and current measurement
• Adjustable resistive loads
• Series winding resistor
• Switchable start and run capacitor
• Compact desktop-sized design
• MATLAB connection API support

Software & PC Control

The Electrical Machines System supports computer-based analysis and advanced experimentation.

Software capabilities:

• Real-time display of:
  • RPM
  • Torque
  • Current
  • Voltage
• Speed-torque curve plotting
• Frequency and waveform control
• Digital and pseudo-sine waveform selection
• 3-phase control software with oscilloscope integration
• Performance analysis through voltage/load variation experiments

Learning Objectives / Experiments

Students can study:

• Basic electrical machine operation
• Speed and torque characteristics
• Power and torque relationships
• Slip calculations
• Motor circuit analysis
• AC/DC machine control
• Equivalent circuit development
• Transformer and induction motor analysis
• Electromechanical system characterization
• Comparison of simulated vs real-world values using MATLAB/LabVIEW

Optional Add-ons

Transformer Add-On – EM4425

• Transformer construction study
• Open and short circuit characteristics
• Transformer circuit modelling using MATLAB/LabVIEW

Locked Rotor Add-On – EM2551

• Induction motor open/short circuit analysis
• Advanced induction motor studies
• Circuit modelling using MATLAB/LabVIEW