Re: Is an induction motor a good thing for small appliances?


<needin4mation@xxxxxxxxx>

Hi, I am researching a food processor (kitchenaid). It has 700 watts,
1 HP, and an induction motor.

** Gawd - how big is this beast ??

My bench grinder is only 1/3 HP.


I have heard/read that watts and HP mean little as this does not
express the efficiency of the motor. I have no idea if that is true or
not.


** Watts indicates the electrical power consumption while HP indicates the
mechanical power out.

Seems that two different test methods have been used since 1 HP = 746
watts .



Then I read the food processor has an induction motor. I have been
reading about various induction motors on wikipedia and other places.

I am trying to find out why an induction motor in this food processor
is a good thing or if it matters if it is an induction motor.


** Induction motors have very long, maintenance free lives - plus they are
nice and quiet.

Nearly all fans, bench drills and large electrical machines use induction
motors - so did an amasing Braun juice extractor I once owned.

But, their power to weight and torque /rpm curve is *much* poorer than
common "universal" or AC/DC motors you find with hand held power tools,
sewing machines, vacuum cleaners etc.




......... Phil




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