I performed a quick search, and you could probably use Table 2 on this page to see the consequences of a modest over- or under-voltage:
http://www.eere.energy.gov/industry/bestpractices/energymatters/articles.cfm/article_id=7
(You'll problably be able to perform better searches than I did)...
Hello,
My company has built two prototype 10kW PM motors with nominal frequency at 550Hz. The stator and rotor iron are built up of an 0.20 mm electrical steel sheet material(NO20). The sheets for the prototypes have been lasercut.
As we are preparing a larger number of produced units (a...
Jenkins have a fan catalog on the web. The catalog can be used although you have no knowledge of the manufacturer of the fan/electrical motor. Unfortunately, I suspect that their fans are way to large for your purpose. You could check it out, though:
http://209.238.140.22/jenkins/