Motor-driven

Ceiling Fan Controller

Key parameters

Item Parameters
Control method Sensorless FOC vector control
Current sampling 1-shunt/2-shunt current sampling
Initial position detection 3-phase voltage vectors pulses injection
Angular estimation Luenberger observer + Q-PLL
Speed range 30 ~ 300 rpm
Motor start-up at standstill, in tailwind, or in headwind
Protection mechanism Stall, overcurrent, overvoltage and undervoltage protection

 

Block diagram