DC-Chopper Drive with DC Machines

VE2.5.2.2
DC-Chopper Drive with DC Machines DC-Chopper Drive with DC Machines (E2.5.2.2)
DC-Chopper Drive with DC Machines DC-Chopper Drive with DC Machines (E2.5.2.2)
DC-Chopper Drive with DC Machines

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This experiment/set up contains dangerous goods.
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Description

The experiments are carried out using training panels in panel frames along with a DC machine of industrial design.

Objectives

  • Protective measures and electrical safety
  • Experiment set-up and wiring according to a circuit diagram
  • Setting up industrial commutator machines and putting them into operation
  • Use of computer-assisted measurement interfaces

This equipment set allows you to set up a modern drive system in order to adjust the speed. The power electronics is implemented in the form of circuits using modular, discrete components. The load used is a DC machine operating without a load. The chopper allows for the speed to be set by limiting trigger angle and for the direction of rotation to be reversed. The trigger response of thyristors to pulse and burst control is investigated along with the resulting effects on the effects on the running characteristics of the machine.

The equipment set is suitable both for student experiments in a lab using low voltage (400 V three-phase) and on a mobile trolley for demonstrations by teachers in a classroom. The experiment procedures are contained 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.

Topics

  • Set-up of an H-bridge
  • Full-bridge converter
  • Reversal of voltage
  • Reversal of current
  • Setting the speed for DC machines

Similar to illustration

Components of equipment sets

1 735341 Control unit PWM/PFM LD
4 735346 IGBT 1000 V/10 A LD
1 73502  4  Diode, 1000 V/10 A LD
1 735065  4  Rectifier B6, 3 x 400 V/10 A LD
1 735095 Capacitors 2x 1000 µF, 385 V LD
1 735190  4  Phase control noise filter 3 x 4.5 A LD
1 73518  4  Fuse threefold super-fast LD
1 73402  4  Reference variable generator LD
1 773186  8  DC Compound Machine 0.3 LD
1 773108  8  Coupling and schaft end guard 0.3 transparent LD
Manuals:
1 565351  4  LIT: Power Electronics and Drive Technology, T 12.3.2 (in German) LD
1 565352  4  LIT: Power Electronics and Drive Technology, T 12.3.2 (in English) LD
1 727100 Power Analyser CASSY LD
1 524220  4  CASSY Lab 2 LD
2 531282  4  Multimeter Metrahit Pro LD

Conventional measuring instruments:

alternativ option to CASSY measuring instruments above

1 575302 Oscilloscope 30 MHz, digital, PT1265 LD
2 575231  4  Probe 100 MHz, 1:1 / 10:1 LD
1 500990  4  Adapter sockets, set of 2 LD
2 50102  4  BNC cable, 1 m LD
1 727110 Power Analyser CASSY Plus LD
2 531282  4  Multimeter Metrahit Pro LD
Power supply:
1 72680  8  Transformer, 45/90, 3 N LD
1 72686  4  DC-Power Supply ± 15 V/3 A LD
1 726962  4  Function generator 200 kHz LD
1 72609  8  Panel frame T130, two-level LD
1 500851  4  Safety connecting leads, 32 A, set of 32 LD
1 500852  4  Safety connecting leads, 32 A, yellow/green, set of 10 LD
3 50059  4  Safety bridging plugs, black, set of 10 LD
additionally required:
PC with Windows 7/8/10
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