APS (Automatic power system) consumes much current

[mohamad hajj]

why does the APS (Automatic power system) consumes much current uppon starting on? so its known to prevent much turning the APS ON and OFF?

 

[berkeman]

why does the APS (Automatic power supply) consumes much current uppon starting on? so its known to prevent much turning the APS ON and OFF?

Can you give an example of the kind of power supply you are asking about?

 

[mdjensen22]

I assume you are referring to a backup (like for a computer)?
In either case, I believe this would be the in-rush current.
http://en.wikipedia.org/wiki/Inrush_current

 

[mohamad hajj]

Oh sorry ! it's automatic power system*..briefly..it's a transformer that trasforms 12 volts to 220 volts .we use it when the electricity is off..
so when electicity is on, the 12volts battery charges.and when the electricity cuts off,we turn the APS on ( or maybe automatically) to get the 220 volts (by transforming the 12 volts)...
of course,the APS delivered power is not big.so we can't turn on much electrical devices upon using it.
thank you