Q&A

What is a VFD? What is the operating principle of a VFD?
What is a VFD? A VFD is a device that converts direct current (DC) or alternating current (AC) into adjustable-frequency and adjustable-voltage AC. Operating principle of a VFD The fundamental working principle of a VFD is relatively straightforward. First, single-phase or three-phase AC power is rectified and filtered into a flat DC supply. This process ... Read moreQ&A