E Maszyny synchroniczne 1.0

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The experiments are carried out using industrial-design machines. All the test machines possess a special base for connecting the Machine test system 1.0. The testing system can be used to record the characteristics of the machines under test. Power for the machines is supplied either via the mains or by special laboratory power supplies.


  • Protective measures and electrical safety
  • Setting up electrical machines and putting them into operation
  • Use of starting circuits
  • Assessment of electrical machine characteristics

Synchronous machines are among the typical kinds of three-phase machine. Unlike asynchronous (induction) machines they run at a constant speed which is solely dependent on the frequency of the rotating field. The speed is not therefore influenced by the torque. Apart from their use as motors, e.g. for conveyor belts, textile machines, paper winding and other winding machines, they are used as synchronous compensators. This uses an effect whereby both inductive and capacitive reactive power can be taken from the supplying mains network. For this reason, they are popularly used instead of large capacitor batteries to compensate for inductive reactive power, such as arises e.g. in the operation of electric motors.


  • In order to protect against overheating, the stator windings of the machines to be tested are equipped with temperature sensors
  • Should overheating occur, the machine test system automatically shuts down the test machine, thus preventing any damage to it.
  • The machines to be tested are equipped with an educationally designed terminal board with the winding configuration printed on it.
  • The ends of all the windings are connected to the terminal board and can be accessed via 4-mm safety sockets
  • Computer-supported acquisition of measurement data provides for meaningful measurement results.
  • Machines in the 1 kW rating class have a powerful and realistic operating response
  • In comparison to smaller machines, their characteristics display distinctive features related to the design.

The complete equipment set is equally suitable for student experiments in laboratories with low voltage supplies (400 V three-phase) and for setting up on a mobile trolley for demonstration by teachers in a classroom. The procedures for the experiments are provided in a printed 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.

Synchronous motor topics

  • Non-salient-pole and salient-pole rotors
  • Voltage equations
  • Equivalent circuit and vector diagram
  • Operation with no-load and with a permanent three-pole short-circuit
  • Locus diagrams and control characteristics
  • Torque and loading
  • Potier diagram and armature reaction
  • Synchronisation and use of multiple machines in parallel
  • Starting methods for synchronous motors
  • Control of reactive power
  • Power performance

Synchronous generator topics

  • Voltage generation
  • Excitation of synchronous machines
  • Operating response
  • Armature current and torque
  • Braking operation and locus diagrams
  • Starting and synchronisation
  • Single-phase generators

Similar to illustration

Components of equipment sets

733 06 Synchronous machine SP 1.0 1
733 07   Synchronous machine SC 1.0 1
732 98 * Multi-function machine 1.0 1
745 05 Manual synchronisation unit 1
733 10   Resistive load 1.0 1
733 11  Capacitive load 1.0 1
732 42   Inductive load 0.3/1.0 1
745 561 Power circuit breaker module 1
732 83 Motor protection switch, 1.6-2.4 A 1
727 32 Moving iron meter, 2.5 A 1
531 282   Multimeter Metrahit Pro 3
727 12   Power factor meter 1
732 689USB Machine test system 1.0 1
728 421   CBM10 MOMO/FCCP 1
726 75   Three-phase supply unit with ELCB 1
725 862DG DC machine supply 1.0 1
521 55   * High current power supply 1
726 09   Panel frame T130, two-level 1
732 56   Coupling 1.0 1
732 57 Shaft end guard 1.0 1
732 581 Coupling Guard 1.0 transparent 1
501 45   Connecting lead, 19 A, 50 cm, red/blue, pair 5
500 59   Safety bridging plugs, black, set of 10 2
500 591   Safety bridging plugs, yellow/green, set of 10 1
500 851   Safety connecting leads, 32 A, set of 32 1
500 852   Safety connecting leads, 32 A, yellow/green, set of 10 1
566 861L   LIT: Synchronous Machine SP 1.0 1
566 861S   LIT: Synchronous Machine SP 1.0 1
566 862   * LIT: Synchronous Machine SP 1.0 1
additionally required: PC with Windows XP/Vista/7/8
Instead of the transparent coupling guard 732581 there is alternatively a full metal version available under Cat. Nr. 73258.

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




Firma produkuje zestawy edukacyjne do kształcenia akademickiego oraz szkolenia zawodowego z zakresu fizyki, chemii, biologii oraz elektroniki, elektrotechniki, automatyki, telekomunikacji, maszyn elektrycznych, odnawialnych źródeł energii i fotoniki, jest częścią grupy LD Didactic.