The experiments are carried out on training panels in panel frames.

Objectives

Protective measures and electrical safety
Circuit assembly and wiring according to circuit diagrams
Use of commercial measuring instruments: hand-held multimeters and oscilloscopes

Static converter valves with gate turn-off can be used to assemble a variety of DC choppers (DC/DC converters). Three different control methods are used for this:

Pulse width modulation
Pulse sequence modulation
Two position control

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

Thyristor with quenching circuit
Power MOSFETs
Insulated gate bipolar transistors (IGBTs)
On-state characteristics
Off-state and switching properties
Control of DC choppers
Step-up and step-down converters
DC choppers using a thyristor with quenching circuit, PWM
Control characteristic for constant load current
DC chopper using MOSFETs, PWM, PFM and two-position control
Single-ended forward and push-pull converters
Half-bridge and full-bridge forward converters
DC choppers used for step-up conversion, PWM and two-position control
Energy recovery operation with PWM
Energy recovery operation with two-position control
Characteristics with variable current setpoints
DC choppers with IGBT used as inverting step-up/step-down controllers with PWM

734 02	Reference variable generator	1
735 02	Diode, 1000 V/10 A	1
735 09	Load power electronics	1
735 18	Fuse threefold super-fast	1
735 065	Rectifier B6, 3X400 V/10 A	1
735 095	Capacitors 2x 1000 µF, 385 V	1
735 190	Phase control noise filter 3 x 4.5 A	1
735 341	Control unit PWM/PFM	1
735 342	MOSFET 500 V/10 A	1
735 343	Thyristor with turn-off circuit 230 V/8 A	1
735 346	IGBT 1000 V/10 A	1
501 02	BNC cable, 1 m	2
531 282	Multimeter Metrahit Pro	2
575 231	Probe 100 MHz, 1:1 / 10:1	2
575 230	Digital storage oscilloscope 722	1
735 261	Isolation amplifier, four channel	1
726 09	Panel frame T130, two-level	1
726 86	DC-Power Supply ± 15 V/3 A	1
726 80	Transformer, 45/90, 3 N	1
537 34	Rheostat, 100 ohms	1
537 35	Rheostat, 330 ohms	1
731 91	* Shunt wound machine 0.3	1
731 07	* Shaft end guard 0.3	2
500 59	Safety bridging plugs, black, set of 10	2
500 851	Safety connecting leads, 32 A, set of 32	1
500 852	Safety connecting leads, 32 A, yellow/green, set of 10	1
565 331L	LIT: Power Electronics and Drive Technology, T 12.2.2.1 (in German)	1
565 331S 4	LIT: Power Electronics and Drive Technology, T 12.2.2.1 (in German)	1
565 332	* LIT: Power Electronics and Drive Technology, T 12.2.2.1 (in English)	1

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

Aparatura Laboratoryjna

Automatyka i elektryczna aparatura łączeniowa

Elektryczna aparatura pomiarowa

Drogownictwo, budownictwo i geotechnika

Zestawy edukacyjne – stoły elektrotechniczne

Oferta