Fan Speed Control Circuit

    Nanjing Aubo Electric Co. Ltd, simply as Aubo, is specialized in producing variable speed motor drive and soft starter,for both medium and low voltage , as well as simple PLC and motor protector. Aubo deals with both product trading and engineering solution. It also distributes VACON inverter from Finland, and AuCom soft starter from New Zealand.

   Aubo has a factory in Nanjing and sales offices across the country, while the international customers are to be looked after by its Shanghai office.

Performance Features of VFD:

u  Control Mode:Vector control without PG,V/F control;

u  Overload Capacity:150% FLC for 60s;180% FLC for 10s;

u  Start Torque:vector cotrol without PG,0.5Hz/150%(SVC);

u  Speed ratio: vector cotrol without PG ,1:100;

u  Speed Control Accuracy: vector cotrol without PG ,±0.5% max. speed;

u  Carrier Frequency:0.5~15.0kHz;

Functions of VFD:

u  Frequency setpoint options:digital,analog,serial comms,multi-level speed , PID, etc;

u  PID control;

u  multi-level speed  control: 8 speed levels;

u  Non-stop during instaneous power off;

u  QUICK/JOG:functional quick button to be defined by user freely;

u  Voltage auto-tuning:When the power supply viberates, the output voltage is kept constant automatically

u  More than 25 protections:Over current, over voltage, under voltage, over temperature, phase loss, over load, etc.