E Sprzężone maszyny DC 300 W

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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 0.3. The testing system can be used to record the characteristics of the machines under test. Power for the machines is supplied 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

Compound machines feature two separate field windings and can therefore be operated as series-wound, shunt-wound or compound-wound machines. The series-wound winding can also be tapped in order to investigate various types of compound winding.


  • In order to protect against overheating, the stator windings of the test machines are equipped with temperature sensors
  • Should overheating occur, the machine testing system automatically shuts down the machine under test, thus preventing any damage to it.
  • The test machines 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.

The complete equipment set is equally suitable for student experiments in laboratories with low voltage supplies (230 V AC) 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.


  • Connection and operation of compound machines as series-wound, shunt-wound and compound-wound equipment
  • Armature reaction and commutation
  • Characteristics of motors
  • Load characteristics
  • Possibilities for changing speed and adjusting for load
  • Starting and braking
  • Characteristics of generators

Similar to illustration

731 86   DC compound machine 0.3 1
732 44   * Flywheel 0.3 1
731 94 Starter 0.3 1
732 40   Resistive load 0.3 1
731 42 On/off switch, three-pole 1
745 561 Power circuit breaker module 1
731 95 Field regulator, motor 0.3 1
731 96 Field regulator, generator 0.3 1
731 989USB   Machine test system 0.3 1
728 421   CBM10 MOMO/FCCP 1
531 282   Multimeter Metrahit Pro 3
726 09   Panel frame T130, two-level 1
725 852DG   DC machine supply 0.3 1
731 06   Coupling 0.3 1
731 07   Shaft end guard 0.3 1
731 081   Coupling guard 0.3 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
569 2101L   LIT: DC Machines (in German) T 10.2.1 1
569 2101S   LIT: DC Machines (in German) T 10.2.1 1
569 2102   * LIT: DC Machines (in English) T 10.2.1 1
additionally required: PC with Windows XP/Vista/7/8
Instead of the transparent coupling guard 731081 there is alternatively a full metal version available under Cat. Nr. 73108.

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.