Recent content by SArsalan

Thanks a lot S_Happens Jim the toilet water tank with the leakage example is a really good one..Understood the whole problem..And yes you are right i also noted that i was jumping to the conclusion instead of taking it one step at a time.. Will take a look at the book for sure.

ok now it has started to make some sense but please clarify this last question if we have a constant set point for which we design our feedback system setting Kp and settling time etc etc will the offset still exist or does it only come into play for varying SP.

i am sorry but i didn't get what you said..may be i am missing something here.. Lets say we have a water tank(height = 10m) whose level we want to control..we install a level sensor, a computer and a control valve(on the inlet) forming a closed loop system..The water through the tank is...

please correct me if i am wrong..so the output from the controller gets constant because of the physical limitations of the system and it has nothing to do with the mathematics.right?

umm no answer...did i as this in a wrong place??

hi i am having a bit of a problem understanding the steady state error in proportional controllers.. The output from a P type Controller is proportional (u=kp(error))to the error so why does this error arise?? The output from the controller tries to achieve the S.P. Once the O/p = SP the...

Thanks a lot NUCENG..

@Averagesupernova i think i was not clear in my question the confusion for me is that the turbine HMI shows the power produced..it reads Real Power 16.5 MW and Reactive Power 2.2MVAR...If it is just a waste of power then why is it not compensated for immediately after production..why is it send...

Hi I am studying instrumentation and during my internship at a power plant i have come across many basic Power engineering stuff. My concept in the field are not very clear and a term i fail to understand is Reactive power.. I had studied that reactive power just travels back and forth in a...