How to convert 220v table fan into 12v dc fan|இத பாத்தா அம்மா fan ah தூக்கி போற்றுக்க மாட்டிஙா 

#Tablefan #12v #775motor
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converting 220v ac table fan to 12v dc table fan by placing 12v dc motor.
775 dc motor 12v - rs.300/-
Which ceiling fan is best?
DC fans usually use less energy than AC fans. However, many people are asking what ‘DC’ fans actually are, what advantages DC motor ceiling fans have, and whether DC ceiling fans will really help them save energy, and in turn, save money.
There are two types of electric motors general, AC (Alternating Current), which is electrical current which reverses direction and DC (Direct Current), which, as its name suggests, electrical current which only flows in one direction. Most ceiling fans, as well as most household appliances, use AC motors, as AC is the type of current distributed by power companies.
AC motors function by being connected directly to a power source. This power source is what creates the moment of force required to rotate the motor’s rotor. With DC fans, the direct (AC) power source, connects to a transformer which converts the power to DC. The effect is that it decreases the amount of power used by only using a direct current instead of the alternating current. To then create the force needed to rotate the motor’s rotor, the DC motor uses a system of magnets of opposing polarity.
Please note that current models of ceiling fans with DC motors cannot be connected directly to a DC power source (like solar panels or batteries) and whilst that may change in the future, manufacturers do not seem to currently have plans to provide this facility.
The advantages of a DC motor fan over an AC motor fan:
In most cases, they use less energy - up to 70% less than a AC fan.
They are generally extremely quiet.
They will often have more speed options, the reverse function on the remote, and are generally faster to start, stop and change speed.
The motor is generally more compact and lighter, which allows for a slimmer motor design.
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