bldc

I recently had to replace my motor in my air cooler. I decided to buy a BLDC motor. All seems to work fine. Motor is running. Oscillation, water pump all works fine. However, I am unable to fix the speed controller part. I am attaching my existing speed control design and what my new motor guy...

Friends, Summer is coming and Temperature & Electricity Bill both are increasing! :mad: I have compared the units between Summer time and Winter time. The only difference is the Celling Fans! Specially two of them which run almost 24x7 Pls suggest - Should I switch to BLDC Fans? Which Brand...