E Maszyny DC 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

LEYBOLD's range of DC motors in the 1.0 kW rating class includes compound-wound machines and universal machines. This allows all the typical varieties such as series-wound, shunt-wound and compound-wound machines to be investigated. The modularly designed experiments convey the fundamentals for motor and generator operation. DC generators operate on the principle of electromagnetic induction. In practice they are seldom used nowadays but they do allow for a fundamental insight into the functioning of electrical machines and are therefore interesting from an educational point of view.


  • 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.

In E2.5.2 Industrial DC drives DC machines are operated using a static converter. Continuing on from the basic experiments, this course investigates the response of the machines under closed-loop current and speed control.


  • Design and function of DC machines
  • Armature reaction and commutation
  • Series-wound machines
  • Possibilities for changing speed
  • Energy conversion
  • Shunt-wound machines
  • Operation at constant speed
  • Self-excitation
  • Current-voltage characteristics
  • Load characteristics
  • Possibilities for changing speed and adjusting for load
  • Starting and braking
  • Characteristics of generators
  • Power performance

Similar to illustration

Components of equipment sets

732 60   DC multi-function machine 1.0 1
733 14 * Flywheel 1.0 1
732 70 Universal motor 1.0 1
733 10   Resistive load 1.0 1
732 64 Starter 1.0 1
732 65 Field regulator, motor 1.0 1
732 66 Field Regulator Generator 1.0 1
731 42 On/off switch, three-pole 1
745 561 Power circuit breaker module 1
531 282   Multimeter Metrahit Pro 3
732 689USB Machine test system 1.0 1
728 421   CBM10 MOMO/FCCP 1
726 09   Panel frame T130, two-level 1
725 862DG DC machine supply 1.0 1
732 56   Coupling 1.0 1
732 57 Shaft end guard 1.0 1
732 581 Coupling Guard 1.0 transparent 1
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
501 45   Connecting lead, 19 A, 50 cm, red/blue, pair 1
566 961L   LIT: DC Multifunction Machine 1.0 (in German) 1
566 961S   LIT: DC Multifunction Machine 1.0, german 1
566 891L   LIT: Series Wound Machine 1.0 (in German) 1
566 891S   LIT: Series Wound Machine 1.0 (in German) 1
566 892   * LIT: Series Wound Machine 1.0 (in English ) 1
566 962   * LIT: DC Multifunction Machine 1.0 (in English) 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.