ERM Automatismes Industriels

Features:

Step-down chopper

H bridge

Training activities:

Study of chopper control

Study of a step-down chopper (RL load)

Study of an H-bridge chopper (DC motor load, change of speed and direction of rotation)

Key points:

Resistive (1,2k), inductive and DC motor loads

Voltage and current can be measured on all power components: 4 transistors, loads

Available test points: triangle wave, duty cycle, downtime

Variable frequency and duty cycle according to potentiometers

Reference:

AZ10: Powertronics chopper

Powertronicschopper