What are some of the mistakes end users make with variable-speed drives that lead to lower productivity? Tom/Automation Direct: Many end users fail to post a schematic in the panel or near the drive.

Switches V1 to V6 in the inverter are very fast semiconductors, usually insulated gate bipolar transistors (IGBTs) in modern drives. Fig. 4. Schematic of a variable speed AC drive. The output may have ...

An enterprising individual has shared a quick step-by-step guide showing how to convert an old Hard Disk Drive (HDD) into a small but useful variable speed disc sander. The project also requires ...

As a hybrid technology that combines mechanical and electrical systems, electrohydraulic variable speed drives allow for motor speed adjustments to conserve energy and provide precise control over ...

Analysis revealed an oversized variable-speed electronic drive and motor could replace the old mechanical clutch and brake. Oversizing the motor is key to controlling flywheel momentum.