Hello all,
Is there a method to verify the actual performance of a packaged unit? I have a 15 ton roof-mount on a metal building (insulated) that doesn't seem to be working as well as it should. Total heat losses for the building, including sun load are calculated to be 38KW.
The unit is new...
Hello,
It's been a while since I was last here!
I hope someome can point me in the right direction. I need to find a spec for LV (690) bus bond testing. I'm having a hard time finding specifics for conducting the test. The closest is ASTM B539-02, but it doesn't mention a standard for minimum...
Does anyone have any recommendations for coupling (gear type) grease for a variable speed aplication? The shaft speed could range anywhere from 300 rpm to 3000 rpm for any lenght of time.
I understand that UV light is emitted during a partial discharge. I've read some un-detailed articles describing it, but I would like to know the intensity of the UV at different voltages. Are there any documents that you know of that go into greater detail about this (wavelengths, minimum...