ups meains un innterrpited power supply function 
convertor&invertor     convertor means achigh voltagetodc 
low voltage battery 12v & invertor high voltageto battery  
used emergency back storge power

UPS means Uninterruptable Power Supply. Its function is to
convert AC power into DC and store in a Battery when AC
supply is interrupted (no electricity, under voltage or over
voltage) then UPS act as a power supply by Inverting DC to
AC from the charged Battery.

thanking u
z_hosen@yaoo.com

ups means uninnterrepted power supply , to main tain the 
constant volage & to avaide shutdowning the system.

UPS mans untriptable power supply if power failed or two 
phasing U/O voltage of the supply UPS given the power 
backup.

ups means uninterpted power supply it is play very 
important role in industrial process because the field 
intruments should give continous signal to the control 
system and if in case power has shut down due to abnormal 
condition in plant then also control system need some 
process parameters to avoid hazards so ups can give 
continous supply to the field instrumens and as per the 
requirment in the process