Absopulse Electronics FTT 3K Series has introduced a rugged, modular AC/AC frequency converter system that uses microprocessor controlled, high frequency PWM technology to deliver 3-Phase, 3000 VA ...

from 1 /3 to 5 hp. The front cover of the variable-frequency drive lists the 10 most commonly used drive parameters. Available frame sizes A, B, and C cover main voltages from 180 to 528 Vac, and they ...

Okay, so I'm building a simple telegraph to run between my room and the one next to mine (don't ask). I'm using some old computer speakers as buzzers, and some old original macintosh mice as clickers.

Chinese researchers developed an electric heating model to support uniform material temperature in a novel four-ring, 80-rod ...