Ac Motor Frequency Converter Speed Controller

Following are the Main characteristics of AC Motor Frequency Converter Speed Controller :-
1) Smooth speed regulation performance, with high regulation precision
2) High regulation efficiency, power saving
3) Super starting performance: Adopt liquid resistance to start, economical and reliable. The entire starting process switches automatically
4) Boost converter adopts new big power full-controlled IGBT. It no need assistant shut-off circuit, safe and reliable
5) Flexible and convenient control way: Free conversion of regulation, full speed operation, open loop, close loop operation, in situ and distant control
6) Complete protection way : Protection function as over voltage, three phase voltage unbalance, over current, short circuit, etc.
7) System automatically records malfunction information and put motor into full-speed operation or stop
8) Independent DC power supply with several loops ,ensure the reliability of power supply operation
9) Quite strong ability of anti-interference

1) Main function:
1: Rotor frequency conversion to change motor speed
2: Keep motor move in most economic way with variable load
3: Multi motor fault protection function
4: High efficiency in power save