digital  inverter compressors 

i bought a  samsung fridge with the 

digital inverter compressor.  the 10 yr

warranty is a  big relief. the fridge  works 

silently. saving in electric power is yet 

 to be established. i will get back with 

the details later.

not much is known about the theory.

unlike  normal compressors which

are switched on and off, this one is

always on.  rpm is varied to suit the load 

conditions. but what algorithm is used or 

how it saves power is not clear yet.