Hi Guys,
I have set up a test rig in which I use a power supply to vary the Voltage and Frequency to a 3.73KW AC motor. I am also able to measure the shaft RPM using a tachometer. I just need to know of a way to calculate the power based on this info.
Background:
I just needed to get the...
I am trying to amplify a signal from in the range of (0.5mV-5mV) by a factor of 10 using TL082 op amp with non-inverting configuration for instrumentation but my power supply is not exactly the same . I.e +15.3V and -14.8V instead of +/- 15V. When i used Multisim it told me this would make a...
I'm involved in a project to expand the humidification in a data center , currently using low pressure steam from a pair of 102hp gas boilers.
I was thinking of recommending Ultrasonic humidifiers for the new ones and even replacing the whole thing with just ultrasonic , because the existing...
I have some really old outside air dampers in office buildings . Maybe 15% leakge or so when fully closed.
I'm looking to go to low-leak dampers or else just go cheap and add some blade and edge seals on the current ones.
My question is this , has anyone out there had any experience with...
Okay guys , I've been looking at this option for a 13 story office building in the Midwest .The current system is VAV , with VFD (VSD's on all air handlers) , also use some economizer , but minimum outside air on some floors is set for max load , when floors are currently only 30%- 40% full...
