... VFD AC drives ) for AC motors as speed controller and energy saver 380Vac 3 PHASE vector control commodity: VFD AC Drives = frequency inverter ... :1. Double lines of LED display, monitoring 2 kinds of information meantime, like frequency, current, voltage, speed, time, and PID ... 5. JOG key control, support user self-dedined frequency jumping.6. SCR technology, long lifespan of the drivesby using our ...