Industrial synchronous machines with rotor kits

Industrial synchronous machines with rotor kits
Industrial synchronous machines with rotor kits
Industrial synchronous machines with rotor kits
Industrial synchronous machines with rotor kits

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This experiment/set up contains dangerous goods.
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The experiments are carried out with the industrial machine assembly kits.


  • Protective measures and electrical safety
  • Recording machine characteristics
  • Set-up of various electrical machines

The synchronous machines with rotor kits consist of a stator and three different rotors. Only by assembling the stator and rotor does a ready-to-operate electrical machine of the 300 W class come into being. The stator contains a three-phase winding, the drive-end shield and the terminal box. The rotors are designed as solid pole rotor, salient pole rotor and reluctance rotor. The stator housing is mounted on a base and can be connected directly to the machine test system 0.3. The stator and rotor are securely connected by star grip tension bolts, which allow the rotor to be changed quickly. No tools are required for this. The rotors are equipped with non-drive-end shield, fan impeller, cover and commutator, brushes, etc. Together with the machine test system, the characteristic curves of the machines can be traced back to the properties of the respective stator. Depending on the rotor used, the model machine then shows the typical characteristics of synchronous machines as a motor or generator.


  • Comparison of efficiencies and characteristic curves for machines with different rotors as motors
  • Determine the load behaviour for resistive, capacitive and inductive loads
  • Simple assembly for rapid set-up and time-effective lab experiments


All functions of the Machine Test CASSY 0.3 can be operated quickly and directly via the display, the rotary wheel and the buttons on the unit. All settings and measurement results can be saved on the unit and quickly called up again later or simply downloaded.

In addition, the Machine Test CASSY 0.3 is fully controllable in real time via RJ45 Ethernet, W-LAN and USB-C interfaces.

These interfaces can be used by the following software:

  • CASSY Lab 2 for drives and energy systems,
  • MATLAB® and LabVIEW ™
  • Lab Docs Editor Advanced

The following integrated servers are available in the Machine Test CASSY 0.3 for the local media connection of at least four end devices simultaneously.

For more details, see product data 7731900 or 7731901 Machine Test CASSY 0.3

The individual equipment is equally suitable for student experiments in the laboratory with low voltage (230 / 400 V three-phase current) and - with a mobile trainer - for teacher demonstration in the classroom. The experiments are carried out according to the manual.

The target group is made up of commercial apprentices and students of electrical machine construction. The course offers experiments at an intermediate level and also allows for the necessary insight into machine behaviour for scientific interpretation at undergraduate level. The media connection makes the experiments suitable for demonstration in the classroom or a lecture hall.

In the following configuration there are further extended experiments with synchronous machines:

E2.6.2.4 AC servo with industrial separately excited synchronous machine


  • Recording the torque-speed characteristic
  • Determination of the nominal operating values of electrical machines as a motor or as a generator
  • Comparison of the efficiencies of different machines as motor or as generator
  • Load characteristic in generator operation
  • No-load characteristic in generator operation

Components of equipment sets

1 7747720  8  Three-phase stator, 0.3 LD
1 7747723 Salient pole rotor, 0.3 LD
1 7747724  4  Smooth core rotor, 0.3 LD
1 7747725 Reluctance rotor, 0.3 LD
Machine test system 300 W
1 7731901 Machine Test CASSY 0.3 LD
1 524222 CASSY Lab 2 for Drives and Power Systems LD
1 7731991 Electrical dynamometer, 0.3 LD
1 773108  8  Coupling / shaft end guard 0.3, transparent LD
1 31539  4  Weight, 1 kg LD
1 773110 Machine base bench, 90 cm LD

Alternative machine base unit:

A longer machine base unit is required if drives with commutation are used.
1 773115 Machine base bench, 120 cm LD
1 73106  4  Coupling, 0.3 LD
1 775205DE  4  LIT-print: Synchronous machines 0.3, German LD
1 775205EN  4  * LIT-print: Synchronous Machine 0.3 LD
Required for generator experiments:
1 773360 Controllable resistive load, 0.3 LD
1 773362 Controllable capacitive load, 0.3 LD
1 773364 Controllable inductive load LD
1 74505  4  Manual synchronisation unit LD
Power supply:
1 72675  8  Three-phase terminal unit with RCD LD
1 745021  4  Excitation voltage controller 200 V/2.5 A LD
1 72609  4  Panel frame T130, two-level LD
1 500855  4  Safety experiment cables, 32 A, set of 34 LD
1 500856  4  Safety experiment cables, 32 A, yellow/green, set of 5 LD
Additionally required:
PC with Windows 7/8/10

As an option for existing motors:

The following base  are options to use existing motors on site.
It's possible to use machines  with  B3 design and a 71 mm shaft  level.

1 7747730 Assembly set exchangeable rotor base, 0.3 LD

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

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