• Main Modules Kit Code: (ML300.01)

• AC digital multimeter (ML300.01.01)

• Technical Data:

  • Input: 220 V, 50Hz via 4 mm safety banana socket

  • Measurement inputs:

  • 10 - 300 V AC

  • 0.2 – 5.50 A AC

  • 30 - 100 Hz

  • Accuracy: volts-amps-hz: 0.5% digits

  • Fuse Protection

• Technical Data

  • True RMS measurements, 0.2% accuracy

  • Harmonic distortion display (31 harmonics)

  • Max demand display

  • User-configurable display screen

  • Sealed front panel (ip54)

  • RS-485 interface

  • Measurements:

    • Phase to phase voltages: u12-u23- u31-uavg

    • Phase to neutral voltages: v1-v2-v3- vavg

    • Phase currents: i1-i2-i3-in-iavg-itot

    • Active power: p1-p2-p3-Σp

    • Reactive power: q1-q2-q3-Σq

    • Apparent power: s1-s2-s3-Σs

    • Power factor: cos1-cos2-cos3-Σcos

    • Active power counters: pc1-pc2

    • Reactive power counters: qc1-qc2

    • User counters: usr1-usr2-usr3-usr4

    • 2...31 harmonics of any voltage or current

    • Input voltage: 0-300VAC ph-N

Variable Frequency Drive (VFD) (ML300.01.03)

• Technical Data:

  • 3 phase 380V Input

  • 3 phase 380V Output

  • Control Speed of three phase induction motor squirrel cage and slip ring

  • Input and outputs from 4 mm banana sockets

  • 3.5 HP

Universal Switch Unit (ML300.01.04)

• Universal switch unit with all necessary switches and push-buttons for switching various motors with a power rating up to 1kW.

• Switch elements:

  • 1x Emergency STOP push-button

  • 2X Push-button 1 NO/1 NC, green

  • 1X Push-button 1 NO/1 NC, red

  • 1X Cut off switch, 3-pole

  • 1X Pole change-over switch, Dahlander

  • 1X Pole change-over switch for separate windings

  • Nominal voltage: 230/400V, max 500V

  • Nominal current: 16A

  • Frequency: 50/60Hz

  • Inputs & outputs: 4 mm safety sockets

Squirrel cage motor fault simulator (ML300.01.05)

• The ends of the stator windings are connected to a series of switchesthat, when activated, simulate common faults on the motor.

• The instructor activates the switches to simulate faults and assigns to the student the task of analyzing and explaining them.

• When all switches are in their normal position, the motor behaves as a typical cage motor.

• Technical Data:

  • Nominal power approx.: 0,25 kW

  • Input voltage volts (Δ/y) 230/400 V

  • Frequency: 50 Hz

Three-phase Transformer (ML300.01.06)

• Can be used as single phase, Autotransformer, Step up or down and three-phase transformer

• Technical Data:

  • Input voltage: 3x 230, 50/60Hz,

  • Output voltage: 6x 115V

  • Power: 3000VA

  • Protection via motor protection switch

  • Inputs and Outputs Via 4mm Safety Sockets

Scott-T Transformer (ML300.01.07)

• The Scott-T transformer is a special transformer connection used to convert three-phase power into two-phase power. It consists of two single-phase transformers:

  • Main Transformer Teaser Transformer.

  • Input voltage: 2x 230, 50/60Hz,
  • Output voltage: 2x 115V
  • Power: 1000 VA
  • Protection via fuse set

• Variable isolating transformer as exciter 0-200 V for field excitation of DC, synchronous and multi-function machines.
• Output voltage: 0...200 V, 2 A AC/DC, 0...30 V, 10 A AC/DC
• Voltage supply: 230 V, 50 Hz via 2mm mains cable or 4mm sockets.

• The exciter voltage controller is used in experiments involving synchronization.
• The de-excitation switch is used in generator protection measures and is responsible for the disconnection of the generator from the grid and its de-excitation in the event of a fault.

• Output: DC 200 V/2 A
• Output: DC 24 V/2.731 A
• 2X push buttons for switching the DC voltage on and off
• Inputs and outputs: 4-mm safety sockets
• Power supply: 230 V, 50/60 Hz

• The Synchronization Unit consists of:
• Three Pilot indicators operating voltage (Lamps): 500 VAC
• Zero voltmeter 0….400V
• Frequency, voltage, and current measuring devices for the generator bus and the mains to maintain the manual synchronization conditions to function
• Double frequency measurement: FROM 47 TO 53 HZ
• Double voltmeter measurement: 0 TO 500 V
• The synchronizer (Digital synchronoscope) display is used to display voltage and phase angles between the generator and the power supply
• Technical Data:
  • Generator voltage: 300 V-AC max.(Ph-N)
  • Generator frequency: 0-100 Hz.
  • Busbar voltage: 300 V-AC max. (Ph-N)
  • Busbar frequency: 50/60 Hz.
  • Digital inputs: 0 - 30 V-DC DC
  • Supply Range: 9.0 to 33.0 V-DC
  • Synchronization switch
  • Operating voltage: 400V

• Technical Data
  • Power: 1400W
  • Voltage: 0~500VDC
  • Current: 0~4ADC
  • Overvoltage, overcurrent, overtemperature, and overpower protection
  • Constant voltage (CV) and constant current (CC) operations
  • Adjustable OVP & OCP range, OPP fixed 110%.
  • Accuracy: ±(3% FS+1 digit)

• Electrical machines & transformers trainer interactive software with remote learning facility.
• Measurements and graphics can be saved within the experiment instructions by means of drag and drop. The software can detect the machine under test and display its nameplate.

• • The winding ends are connected to 4 mm safety sockets in a metal housing on top of which a clear electrical drawing shows the internal Logic of the machine.
  • The students can therefore easily understand operation and winding connections.
  • Include an electronic nameplate for machine parameters for automatic machine identification.
  • Relevant machine data is automatically uploaded
  • Pre-setting of scaling in the software
• DC. Brake Test Bench (ML300.04.01)
  • A full test bench used to perform experiments of loading on different machines to determine the characteristics of any motor, like torque-speed characteristics.
  • The test bench is powered from the main trainer through power cable and protected with on/off, emergency switches.
  • The trainer is connected to the main software through a RS-485 Connection via 4mm safety bananas
  • The trainer is capable of automatically identify the machine under test via audio socket cable.
  • The Test Bench consists of :
    • Resistive potentiometer to apply electrical load on the machine under test
    • Digital meter to show the speed of the shaft
    • Braking DC Generator:
      • Nominal shaft speed: 3000 rpm
      • Rated braking power: 300W
      • Rated generated output voltage: 220VDC
      • Nominal excitation voltage: 220VDC
    • Tacho-Generator :
      • 26V/1000RPM
      • Rated Speed: 3000RPM
      • Load Cell:
        • 10Kg, 2mV/V
• Three-Phase Asynchronous Squirrel Cage Motor (ML300.04.02)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 100W
  • Rated input voltage: 220VAC /380VAC
  • Rated operating frequency: 50Hz
• Three-Phase Slip Ring Motor (ML300.04.03)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC / 380VAC
  • Rated o perating frequency: 50Hz
• Three-Phase Synchronous Machine (ML300.04.04)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 200W
  • Rated input voltage: 75VAC / 140VAC
  • Rated operating frequency: 50Hz
• Three-Phase Double Speed Induction Motor (ML300.04.05)
  • Nominal shaft speed: 3000/1500rpm
  • Rated input voltage: 380VAC
  • Rated operating frequency: 50Hz
• Single-Phase Universal Motor (ML300.04.06)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC/VDC
  • Rated operating frequency: 50Hz
• Single-Phase Capacitor-Start Motor (ML300.04.07)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC
  • Rated operating frequency: 50Hz
• DC Compound Machine (ML300.04.08)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated armature voltage: 220VDC
  • Rated field voltage: 220VDC
• DC Series Machine (ML300.04.09)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated Input Voltage: 220VDC
• DC Shunt/Separately Excited Machine (ML300.04.10)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated armature voltage: 220VDC
  • Rated field voltage: 220VDC
• DC Permanent Magnet Machine (ML300.04.11)
  • Nominal shaft speed: 3000rpm
  • Rated output power: 300W
  • Rated Input Voltage: 220VDC
• Braking DC Generator (ML300.04.12)
  • Nominal shaft speed: 3000rpm
  • Rated braking power: 300W
  • Rated generated output voltage: 220VDC
  • Nominal excitation voltage: 220VDC
• Magnetic Powder Brake (ML300.04.13)
  • Rated braking power: 800W
  • Nominal input voltage: 0 - 24VDC
• Three-Phase Squirrel Cage Induction Motor Cutaway (ML300.04.14)
  • Nominal power approx.: 0,25 kW
  • Nominal speed approx: 1400 rpm
  • Nominal input voltage volts (Δ/y): 230/400V
  • Frequency: 50 Hz
• Additional modules for 300-watt 3000 rpm machines (ML300.04.15)
  • Motor Protection Switch
    • Power circuit breaker including thermal overload trip and overcurrent trip
      • 1X Motor protection switch, 0.7...1A
      • Contact rating: 500V, 10A
  • Resistive Loads
    • Universal Resistor Bank
      • Overview
        • Contains nine power resistors arranged in three banks ( Three resistors in each bank )
        • Resistors of each bank are arranged in parallel connection by toggle switch for each resistor to obtain multiple values.
        • Three resistor banks can be used separately in 3-phase circuits or can be connected together in single phase circuits
      • Specifications:
        • Three Banks (Three Resistors for each bank)
        • Resistor Values : 0.8K / 1.6K / 3.2K Ohms
    • Universal Rheostat
      • • Overview
          • Contains three rheostats in series with three fixed power resistors arranged in three branches.
          • Three branches can be used separately in 3-phase circuits or can be connected together in single phase circuits.
        • Specifications:
          • Branch Values : 500 to 900 Ohms
          • Maximum Voltage : 220 V AC/DC
      • Rheostat for field regulation
        • Range of resistance value: 0 - 2.2Kohm
        • Power capacity: 25W
      • Inductive Load
        • Overview
          • Contains nine iron core power inductors arranged in three banks (Three inductors in each bank)
          • Inductors of each bank are arranged in parallel connection by toggle switch for each inductor to obtain multiple values.
          • Three inductor banks can be used separately in 3 phase circuits or can be connected together in single phase circuits
        • Specifications:
          • Three Banks (Three Inductors for each bank)
          • Inductor Values : 2.5 / 5 / 10 H
          • Maximum Voltage : 220 V AC
      • Capacitive Load
        • Overview:
          • Contains nine capacitors arranged in three banks ( Three capacitors in each bank )
          • Capacitors of each bank are arranged in parallel connection by toggle switch for each capacitor to obtain multiple values
          • Three capacitive banks can be used separately in 3 phase circuits or can be connected together in single phase circuits
        • Specifications:
          • Three Banks (Three Capacitors for each bank)
          • Capacitor Values : 1 / 2 / 4 uF
          • Maximum Voltage : 450 V AC/DC

• DC. Brake Test Bench (ML300.05.01)
  • A full test bench used to perform experiments of loading on different machines to determine the characteristics of any motor like torque-speed characteristics.
  • The test bench is powered from the main trainer through power cable and protected with on/off, emergency switches.
  • The trainer is connected to the main software through a RS-485 Connection via 4mm safety bananas
  • The trainer is capable of automatically identify the machine under test via audio socket cable.
  • The Test Bench consists of :
    • Resistive potentiometer to apply electrical load on the machine under test
    • Digital meter to show the speed of the shaft
    • Braking DC Generator :
      • Nominal shaft speed: 1500 rpm
      • Rated braking power: 300W
      • Rated generated output voltage: 220VDC
      • Nominal excitation voltage: 220VDC
    • Tacho-Generator :
    • 26V/1000RPM
    • rated Speed: 3000RPM
    • Load Cell:
    • 10Kg, 2mV/V
• Three-Phase Asynchronous Squirrel Cage Motor (ML300.05.02)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC / 380VAC
  • Rated operating frequency: 50Hz
• Three-Phase Slip Ring Motor (ML300.05.03)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC / 380VAC
  • Rated operating frequency: 50Hz
• Three-Phase Synchronous Machine (ML300.05.04)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 220W
  • Rated input voltage: 83/145VAC
  • Rated operating frequency: 50Hz
• Three-Phase Double Speed Induction Motor (ML300.05.05)
  • Nominal shaft speed: 3000/1500rpm
  • Rated input voltage: 380VAC
  • Rated operating frequency: 50Hz
• Single-Phase Capacitor-Start Motor (ML300.05.06)
  • Nominal shaft speed: 1500 rpm
  • Rated output power: 300W
  • Rated input voltage: 220VAC
  • Rated operating frequency: 50Hz
• DC Compound Machine (ML300.05.07)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated armature voltage: 220VDC
  • Rated field voltage: 220VDC
• DC Series Machine (ML300.05.08)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated Input voltage: 220VDC
• DC Shunt/Separately Excited Machine (ML300.05.09)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated armature voltage: 220VDC
  • Rated field voltage: 220VDC
• Permanent Magnet Dc Machine (ML300.05.10)
  • Nominal shaft speed: 1500rpm
  • Rated output power: 300W
  • Rated Input voltage: 220VDC
• Braking DC Generator (ML300.05.11)
  • Nominal shaft speed: 1500rpm
  • Rated braking power: 300W
  • Rated generated output voltage: 220VDC
  • Nominal excitation voltage: 220VDC
• Magnetic Powder Brake (ML300.05.12)
  • Nominal shaft speed: 1500rpm
  • Rated braking power: 300W
  • Nominal Input voltage: 0- 24VDC
• Three-Phase Squirrel Cage Induction Motor Cutaway (ML300.05.13)
  • Nominal power approx.: 0,25 kW
  • Nominal speed approx. 1400 rpm
  • Nominal input voltage volts (Δ/y) 230/400V
  • Frequency: 50 Hz
• Additional modules for 300 watt 1500 rpm machines (ML300.05.14)
  • Motor Protection Switch
    • Power circuit breaker including thermal overload trip and overcurrent trip
    • 1X Motor protection switch, 0.7...1A
    • Contact rating: 500V, 10A
  • Resistive Loads
    • Universal Resistor Bank
      • Overview
      • Contains nine power resistors arranged in three banks ( Three resistors in each bank )
      • Resistors of each bank are arranged in parallel connection by toggle switch for each resistor to obtain multiple values.
      • Three resistor banks can be used separately in 3-phase circuits or can be connected together in single phase circuits
        • Specifications:
          • Three Banks (Three Resistors for each bank)
          • Resistor Values : 0.8K / 1.6K / 3.2K Ohms
          • Maximum Voltage : 220 V AC/DC
    • Universal Rheostat
      • Overview
      • Contains three rheostats in series with three fixed power resistors arranged in three branches. 
      • Three branches can be used separately in 3-phase circuits or can be connected together in single phase circuits.
        • Specifications: 
          • Branch Values : 500 to 900 Ohms
          • Maximum Voltage : 220 V AC/DC
          • Rheostat for field regulation
          • Range of resistance value: 0 - 2.2Kohm
          • Power capacity: 25W
        • Inductive Load
          • Overview:
            • Contains nine iron core power inductors arranged in three banks (Three inductors in each bank) 
            • Inductors of each bank are arranged in parallel connection by toggle switch for each inductor to obtain multiple  values.
            • Three inductor banks can be used separately in 3 phase circuits or can be connected together in single phase circuits
            • Specifications:
              • Three Banks (Three Inductors for each bank)
              • Inductor Values : 2.5 / 5 / 10 H
              • Maximum Voltage : 220 V AC
        • Capacitive Load
          • Overview:
            • Contains nine capacitors arranged in three banks ( Three capacitors in each bank )
            • Capacitors of each bank are arranged in parallel connection by toggle switch for each capacitor to obtain multiple values
            • Three capacitive banks can be used separately in 3 phase circuits or can be connected together in single phase circuits
          • Specifications:
            • Three Banks (Three Capacitors for each bank)
            • Capacitor Values : 1 / 2 / 4 uF
            • Maximum Voltage: 450 V AC/DC
• Servo machine test Stand (Not Included) Code: (ML300.06)
• The servo-machine test bench is a complete testing system for examining electrical machines and drives. It consists of a digital controller, a brake and the software. The system combines state-of-the-art technology with ease of operation.
• The system also allows manual and automated synchronization to be carried out.
• The controller has the following features:
  • Dynamic and static four-quadrant operation
  • Selectable operating modes/machine models (torque control, speed control.
  • Interface for reading electronic nameplates EDD of the machines under test
  • Integrated galvanically isolated amplifier for voltage and current measurement
• Colour display
• Four-quadrant monitor
• Isolated USB interface
• Connection voltage: 400V, 45...65Hz
• The motor and sensor leads are connected via polarity-safe plugs. The machine has thermal monitoring and, in conjunction with the controller, it constitutes a driving and braking system that is free of drift and requires no calibration.
• Technical Data:
  • Maximum speed: 3000 RPM
  • Maximum Voltage: 3~, 220V
  • Maximum Motor Current: 9.5A
  • Motor Maximum Capacity : 2.2 kw
• Software features
  • Measurement, calculation & display of mechanical & electrical variables (Speed, torque, mechanical power output, current, voltage, active, apparent and reactive power, efficiency, power factor).
  • Reading Electronic nameplates of the machines under test.
  • Simultaneous display of measured and calculated values (e.g. instant display of efficiency)
  • Measurement of voltage and current (including RMS values even for non-sinusoidal waveforms)
    Speed or torque-controlled operation
  • Recording of variables over time
  • Programming of limiting values of speed or torque to prevent inappropriate loading of the machine under test.
  • Operation in all four quadrants (display of generated torque)
  • Export of graphics & measurements

• Upon customer request