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Oil can leak in even when the generator air housing pressure is above the oil bearing pressure. GE, I believe...
Monday, January 23, 2017 01:48 PM
I am speculating if what you are seeing is some varnish or other coating on the cables that has liquefied...
Monday, January 23, 2017 10:47 AM
Thanks a lot to members HansKrieg, suriaaduri, GenAdvice and bmilano for your valuable responses!
Monday, January 23, 2017 01:03 AM
Dear Prabhatha, In ideal conditions, the radial static forces in the journal bearings of a vertical assembly hydro generator are zero....
Saturday, January 21, 2017 08:23 PM
Thank you all for the valuable ideas. Yes, i also agree that it is very less likely to be due...
Friday, January 20, 2017 10:33 AM
Addenda: This kind of damage mechanism requires three conditions to exist simultaneously in order to get started: Contact between the shaft and...
Wednesday, January 18, 2017 09:53 PM
The OEM will also spec the semi con paint for their particular coils. Insulation thickness and wedging system also comes...
Wednesday, January 18, 2017 04:30 PM
Mr. Timperley is correct and his posting reminded me of another issue.... When a winding trips on ac there is...
Monday, January 16, 2017 12:27 PM
I'm a little uneasy about drilling a hole in insulation. It is a little like cutting a link in a...
Monday, January 16, 2017 11:42 AM
Hi, Thank you for your answers. Dear Clyde, the OEM (I cannot say who that company is) say that the fault...
Monday, January 16, 2017 11:28 AM
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