Single‑phase VFD serves as practical motor speed‑regulation hardware for scenarios without three‑phase power supply, converting single‑phase 220V input into adjustable‑frequency three‑phase output to drive AC motors of diverse power ratings. It delivers high starting‑torque output, supports soft start‑stop, multi‑mode torque‑speed adjustment and comprehensive fault protection, lowering inrush current and mechanical impact during motor startup while extending equipment service life. Featured with compact layout, convenient wiring and built‑in communication interfaces, it enables seamless connection with automation control systems for closed‑loop PID regulation. Covering power segments from micro‑power to medium‑high power, this hardware fits micro‑machinery retrofits and medium‑sized equipment driving demands. Widely deployed for conveying devices, packaging machinery, woodworking machine tools, food‑processing equipment, pumps and fans, it realizes energy‑saving operation and precise process control for light‑industry and small‑automation facilities, acting as a cost‑effective drive alternative avoiding expensive three‑phase power transformation projects.