On Tuesday 11 April 2006 08:57, Ross Herbert wrote:
Depending upon the manufacturing method and materials used the inrush
current can be as much as 50 times the normal primary current for 1/2
cycle averaging 15 times for about 2 cycles.

See this paper

http://www.emeko.de/en/pdf/02-01-Int...2-01-10-01.pdf

Thanks, I'll have a look at it.