Electron_Sam78
Senior Member
- Location
- Palm Bay, FL
What do you all think of the small Motor Legislation about to go into effect? Are you for or against it? Sounds to me like more enviro nonsense and more expensive motors and replacements.
2015 Small Motor Legislation
- Thread starter Electron_Sam78
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ron
Senior Member
- Location
- New York, 40.7514,-73.9925
I would guess the higher efficiency will come along with slightly higher inrush.
It is similar to the 2016 transformer efficiency legislation. http://www1.eere.energy.gov/buildings/appliance_standards/product.aspx/productid/66
It is similar to the 2016 transformer efficiency legislation. http://www1.eere.energy.gov/buildings/appliance_standards/product.aspx/productid/66
paul
Senior Member
- Location
- Snohomish, WA
It isn't just small motors. I just read an article on this change in EC&M. They say the change should bring a savings of 5.3 million terawatt-hours of electricity/year.
The trouble is that more efficient motors are more expensive and that they are larger in size than their less efficient counter-parts. That says trouble when someone has to change out a motor. Most likely a huge plus for the local rewind shops.
If I had a 100hp glycol pump motor fail, it would be very time consuming and expensive to buy a larger framed motor, cut piping on a pump, and shim up the pump just to change the motor. This doesn't even take into effect the higher cost of the motor. I think I would want one on site and send in the faulty one for repair if I were in charge of maintenance.
However, for OEM's, I think the change is good. It's easier to implement the changes on new installations, than it is on retrofits.
The trouble is that more efficient motors are more expensive and that they are larger in size than their less efficient counter-parts. That says trouble when someone has to change out a motor. Most likely a huge plus for the local rewind shops.
If I had a 100hp glycol pump motor fail, it would be very time consuming and expensive to buy a larger framed motor, cut piping on a pump, and shim up the pump just to change the motor. This doesn't even take into effect the higher cost of the motor. I think I would want one on site and send in the faulty one for repair if I were in charge of maintenance.
However, for OEM's, I think the change is good. It's easier to implement the changes on new installations, than it is on retrofits.
- Location
- San Francisco Bay Area, CA, USA
- Occupation
- Electrical Engineer
I seriously doubt this is going to affect frame sizes in any significant way. This legislation only applies to motors up to 3HP, and all it means is that they have to get to about 85% eff worst case. That's not much different in many cases. The better thing is that this establishes testing standards, so now the cheap junk Chinese imports cannot lie about their efficiency numbers (as easily).
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