Originally Posted by
galdian
Hi all
On a tangent I have a place on solar power/batteries, they state the size of the inverter must consider the STARTING demand of an electric motor (eg water pressure pump) rather than the RUNNING demand, starting can cause an electrical spike up to 7 times the running demand.
Assuming similar for elect hyd pumps the pause makes sense if not a 'boeing' thing.
Cheers.
That is true of most electrical motors - there is a big inrush current when started that is much greater than the steady state running demand - usually at least twice.