By chopper of relevant experiments, can be familiar with the characteristics of the chopper, grasp its control principle and control mode, the corresponding knowledge and skills, suits, higher vocational colleges, secondary vocational schools and vocational school related professional teaching and skills training examination.

Features:

The actual training platform is fully configured, and the modules can be used in combination to complete a variety of training contents.

The training platform adopts the frame structure of aluminum profile, which can be moved flexibly. The measuring instrument and the actual training power supply built-in integration installation, easy to use, not easy to damage.

The training platform has a good security system.

Performance Parameters:

Input power: two-phase three-wire system 220V plus or minus 10% 50Hz

Unit capacity: < 0.5kva

Working conditions: temperature - 10 ℃ ~ + 40 ℃ relative humidity < 85% (25 ℃)

External dimension: 600mm x 400mm x 1300mm

Weight: < 50kg

Experiment list:

Test the characteristics of different currents and voltages

Master the method experiment of chopper

The bench allows the study of 4 typical schema of chopper:

Serial chopper voltage reducer

Serial chopper voltage increaser

Voltage increaser-reducer chopper (inverter)

4 quadrants chopper

The module allows the study of 4 typical schemas:

Variable clock frequency with direct display of the frequency and cyclic ratio

The bench include the following modules:

Power module of the inverter (chopper)

Measuring points of different current and voltage

Input 0 … 220V DC at least

Input current 5A at least

Output:

Reducer from 0 to 220V DC at least

Frequency from 16 kHz to 35 kHz

Increaser from 0 to 250 V DC

Inverter from 0 to 250V DC at least

Power supply of the inner electronic from network 230V AC, 50Hz.