XDA Developers on MSN

You, too, can build this gorgeous IV-3 VFD clock

This gorgeous DIY IV-3 VFD clock is shared with full build files on GitHub. Uses IV-3 VFDs for a blue-green glow at ~30V - cheaper and lower-voltage than nixies. Complete repo includes schematics, ...
Electrical Construction & Maintenance

The Basics of Variable-Frequency Drives

When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than Edison's direct current (DC) motor. However, ...
Automation World

Flexible, Reliable VFD Cables Save Energy, Provide Precise Motor Drive Control

A Variable Frequency Drive (VFD) regulates the speed of a 3-phase AC electric motor by controlling the frequency and voltage of the power it delivers to the motor. These devices, also known as ...
Electrical Construction & Maintenance

Motor Branch-Circuit Short-Circuit and Ground-Fault Protection for Low-Voltage Variable-Frequency Drives

A typical low-voltage variable-frequency drive. Industrial facilities commonly use variable-frequency drives (VFDs) to control the speed at which alternating current motors operate. Let’s examine a ...
Machine Design

Rockwell Automation Allen-Bradley PowerFlex 6000T Medium Voltage VFD Saves Space

The Allen-Bradley PowerFlex 6000T medium voltage variable frequency drive (VFD) from Rockwell Automation has a compact design that is suitable for applications in IEC markets when industrial space is ...