TEST BENCH FOR ELECTRICAL MACHINES-9EQBNCMD6C

TEST BENCH FOR ELECTRICAL MACHINES

Key features to include:

  • Fully integrated modular system including hardware, software, accessories and cables and manuals for the student and instructor
  • Supporting Frame includes an electrical bus system to power electrical modules to reduce the number of connections required by the operator and to enhance the educational experience
  • Fully controlled modules either manually or via a stand-alone or networked PC. Internet control possible
  • Eddy-current Dynamometer can measure complete Torque-Speed characteristic from synchronous speed to stall speed
  • Software shall provide instruction, theory, wiring diagrams, measurements, graphing and report generation
  • Software shall include full simulation of all Machines and Generators which can be compared, on the same virtual instruments, to the actual characteristics of the real machines
  • Simple and cost effective expansion via the network to accommodate enlarged classes
  • Excess energy is returned to the electrical supply – energy regeneration
  • For easy transportability only requires a single phase AC supply. (DC and Three-phase supplies, for energising Machines and modules, are generated on-board)
  • Shall Include mechanical and electrical safety features and interlocks to protect the equipment and user from injury and the equipment from damage

Technical Details (View Specification (docx) )

1. MACHINES TEST BENCH:

PC, network, Internet or manually controlled test bench:

  • Operates as a Brake or as a Prime Mover
  • Operating as a Brake
    • Maximum Speed: 2450rpm
    • Torque: 0-10Nm
    • Rated: 800W
  • Operating as a Prime Mover
    • Speed: 0 – 2000 rpm
    • Maximum torque: 9.7Nm
    • Power rating: 800W
  • Internal protection:
    • Internal temperature
    • Over-Torque
    • Over-Speed
    • Over and under- Voltage
    • Supply over-current
  • Machine full transparent cover with interlock and safety terminals
  •  Includes:
    • Multi-function digital display (Torque, Speed, Power)
    • Potentiometers for manual setting of Torque and Speed
    • Integral PC connection
    • Emergency STOP button
    • Energy Regeneration when acting a s a brake
    • Power requirements: single phase, 190-250Vac, 5.25A, 50/60Hz

2. SYSTEM FRAME:

    • Table top frame with 2 levels with positive location for up to 36 for training modules. Includes a bus system for ± 15V dc electrical connection of training modules

3.SYSTEM POWER SUPPLY:

    • Power supply module provides power to all training modules fitted in System Frame.The technical characteristics of the power supply are:
      • Input voltage supply: single-phase 190 to 250VAC
      • Mains Frequency: 50Hz/60Hz
      • Output voltage: ± 15V dc
      • Maximum current: 3 Amp

      Maximum power: 1 kW

4.DC VOLTAGE POWER SUPPLY:

      • Output voltage: 0 – 250 V
      • Output current: 6.6 A max
      • Accuracy: 1%.
      • Display: 3.5 digit displays Voltage or Current outputDC Voltage Power Supply Module with Digital Display. Can be controlled manually, with an external voltage or via a PC. Uses 2 mm safety socket test points and 4 mm safety sockets for power supply connections. Powered from the System Frame.

      Incorporates electronic protection, protecting the module against overloads and short circuits.

5.DC CURRENT POWER SUPPLY:

    • DC Current Power Supply Module with Digital Display. Can be controlled manually, with an external voltage or via a PC. Uses 2 mm safety socket test points and 4 mm safety sockets for power supply connections. Powered from the System Frame.
      • Output voltage: 0 – 310 V
      • Output current: 0 – 3.3 A max
      • Accuracy: 1%.
      • Display: 3.5 digit displays Voltage or Current output

      Incorporates electronic protection, protecting the module against overloads and short circuits

6.THREE PHASE POWER GENERATOR:

    • Three Phase Power Supply Module with Digital Display. Can be controlled manually, with an external voltage or via a PC. Uses 2 mm safety socket test points and 4 mm safety sockets for power supply connections. Powered from the System Frame.
      • Output voltage: 0 – 310 Vac (single or three phase)
      • Output current: 10A max
      • Power factor: 0 – 1 (inductive and capacitive)
      • Accuracy: 1%.
      • Display (push button selectable) : 3.5 digit Voltmeter, Ammeter, Wattmeter (active, reactive and apparent), Power factor, Phase Angle, Frequency

      Incorporates electronic protection, protecting the module against overloads and short circuits.

7.THREE PHASE ELECTRONIC POWER LOAD:

    • Electronic Load Module with Digital Display to provide Resistive, Capacitive and Inductive Loads for dc, single and three phase circuits. Can be controlled manually, with an external voltage or via a PC. Uses 2 mm safety socket test points and 4 mm safety sockets for power supply connections. Powered from the System Frame.
      • Input voltage: 250 Vdc, 280 Vac (l-n)
      • Input current: 10A max
      • Maximum Power: 0.75kW dc and single phase ac, 1kW three phase ac
      • Power factor: 0 – 1 (inductive and capacitive)
      • Accuracy: 1%.
      • Display (push button selectable) : 3.5 digit Voltmeter, Ammeter, Wattmeter (active, reactive and apparent), Power factor, Phase Angle, Frequency
      • Short Circuit: current between 0 and 100%
      • Returns power to the supply – energy regeneration

      Incorporates electronic protection, protecting the module against overloads and short circuits.

8.TEST BENCH CONTROL AND INPUT/OUPUT MODULE:

    • Provides Input and Output to the Machines Test Bench via multi-way connector and incorporates 2 Blocks with circuits to calculate the rms values of 2 inputs and the Power Factor (cos ɸ) between them. Uses 2 mm safety socket test points. Powered from the System Frame.
      • Inputs per Block: 2 +10V
      • Outputs per Block: 3 (2 rms values – 0-10V) and cos ɸ (+10V)
      • Bandwidth: >500Hz
      • Accuracy: 1% (rms), 2% (cos ɸ)

      Incorporates electronic protection, protecting the module against overloads and short circuits.

9.DATA ACQUISITION SYSTEM:

    • Provides Data Acquisition and Control via an external PC using software supplied with the system. USB connection to the PC.
      • Analogue Inputs: 8 with 12-bit resolution
      • Conversion Time: Analogue Channels – 200kHZ, Digital Channels – 333 kHz

      Incorporates electronic protection, protecting the module against overloads and short circuits

10.COMPREHENSIVE INTERACTIVE SOFTWARE :

    • Windows based software running on a PC provides complete control of the machines Test Bench and all Modules. Can be used on a network or a stand-alone PC and provides the following functions and features:
      • Simulation and Modelling of all Electrical Machines, Can be used off-line
      • Description of Experimental Procedure
      • Background and Theory of Experiments
      • Experiment Assembly, Configuration and Wiring
      • Definition of Experimental parameters
      • Testing of Machines
      • Data Acquisition and Analysis of Results
      • Report Generator for Student log books
      • Includes a comprehensive library of standard tests and configurations

      Single-user and Site Licences available