I have a large 1.92KVA Powerware UPS. Damn thing has nasty tranformer buzzing. The batteries are failing and it's pretty old. I will be replacing it eventually.
I wonder how quiet the transformers are in that Online Powerware UPS. The fan usually doesn't come on in Line Interactive UPS's unless it is running on battery power. I guess the conversion process generates a lot of heat.
Yikes. The last thing I want to do is add more fan noise. I guess Online UPS is not for me, then. Until someone makes a silent Online UPS. (Not likely.)
-Ed
I wonder how quiet the transformers are in that Online Powerware UPS. The fan usually doesn't come on in Line Interactive UPS's unless it is running on battery power. I guess the conversion process generates a lot of heat.
Yikes. The last thing I want to do is add more fan noise. I guess Online UPS is not for me, then. Until someone makes a silent Online UPS. (Not likely.)
-Ed