If I have a motor that is being overloaded ~2x it's rated will doubling the HP improve this?
I have a 1/2HP Direct drive 1P, 120V, 1075RPM blower motor that is drawing 12A while it is rated at 6.5A Full load, 9A max and only spinning at about 700RPM. [No load it draws 3A]
The problem I was having is any time the AC kicked in I would lose connection to the net and the power would sag. I went to the attic and measured the AC and found it was drawing 2x the rated current at full load. I thought the motor was bad so I got an identical replacement but almost exactly the same measured specs and same problem.
I figured I could replace it with a 3/4 or 1HP motor and get better results but I'm not sure how much. I want to save power and possibly increase the rpm's,
The main thing I would like to know is how HP, current, and load are related. If I double the HP I should effectively be doubling the max load and probably the current at max load? Basically, if I have an x HP motor using a certain load and I move to y HP motor then what can I expect the RPM's and current to be? [simple estimates are ok. I understand that it depends on a lot of factors but there should be general principles involved]
As I said, I would like to be able to determine if a 1HP is effectively going to allow me to increase the RPM's and reduce the current[since the motor shouldn't be overloaded].
Motor used,
Thanks for the help, Bob