那个发明了电梯

Features(Elevator Inverter): 1) Vector-controlled frequency inverter 2) Direct floor stopping 3) Open loop run 4) Highest speed: 4m/s 5) Output: 7.5 30kW, 50Hz or 60Hz 6) Minimal noise: modulation frequency 10 17kHz 7) Anti- interference performance, according to EN55011, EN55022 standard 8) Four-quadrant controlled: no direction switching contactors required 9) Easy inspection 10) Auto-calculating braking distance 11) Smaller size 12) Drived with three-phase AC synchronous motor Elevator Parts