I have become incharge of spare motors and such. What shouid i know or learn how to treat spare motors that are part of sub pumps , i am talking aout 40hp and larger motors .
I have read on here about heaters in motors ,where to get information with that would help. Guess there installed at a...
Are there many problems using a vfd on a 460v 1 hp inverter duty motor that uses a slipring ?. Are there some concerns with this design ?. A good part of the work by motor is at 60 hz
We have two compressors with dryers auto drains and then the air line goes out for 200' out in the plant. Should there be some type of drains out in the plant where the air just waits to be used up. we have equipment that locks up and no one knows way. does condensation come in to play here...
Is there a method to test a pump that uses packing for a seal when on the bench and no motor attahed? This is so the pump is not installed and then find out that it is leaking way to much when operated.
whats the best way to supply compressed air to air actuators ? Piping = black iron, stainless , aluminum , pvc ? what do i have to do to keep the acuators clean and clear of water dirt etc ? gages, filters ?
Thanks for any help .
We have a system, hot water circulating through 4" lines with 4 pumps with 10hp motors . Only 1 motor / pump working at a time. The hot water is circulating through all the pumps even thoug they are not running . Is this a bad design for the non running pumps because when the water passes...
I am looking for a device i can use on my gear motor i can use to shut down the motor when it is working at a higher or more powerful rate. A shear pin is not working at this time, any ideas?
A question was asked one day that when the main circuit breaker is off is the solar energy off? Also we have a system that says it has multibile power sources coming into our main panel, my answer was yes it is off. Does anyone disagree ? We have roof pv panels , no batteries, and it is suppose...
I left some stuff out of my last post I ment to ask about.
In some pm's they ask about voltage on lines 1, line, 2 line 3, does anyone think that is the best way or would l-1 to l-2 than l-1 to l-3 and l-2 to l-3? IS there a size of motor in hp where you would start with pm's?
I 'd like to find out as much as i can about motor maintenance, such as the requirements for how often to megger, grease, vibration. etc. I tryed to find the nema requirements for a motor pm and could not find one.
Thanks for any leads.
